CN214201042U

CN214201042U - Falling ball type resilience modulus tester

Info

Publication number: CN214201042U
Application number: CN202023013929.8U
Authority: CN
Inventors: 姜乐; 许世泉; 刘祥安; 石健
Original assignee: Qingdao Hailutong Engineering Quality Inspection Co ltd
Current assignee: Qingdao Hailutong Engineering Quality Inspection Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-09-14
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a ball formula resilience modulus tester belongs to road surface construction technical field, has solved current ball formula resilience modulus tester and has had the problem that measurement accuracy is poor and be not convenient for remove, and its technical essential is: including the roof, height that needs the measurement is adjusted according to external control ware and resilience modulus tester host computer, order about the second motor function, it is rotatory to make the roller of changeing, realize that first supporting leg drives the spherical crown body and goes up and down, when measuring the height, first motor drive first pivot is rotatory, sector gear rotates when no tooth region, realize that the spherical crown body freely falls the body and detect, it is high to detect the precision, when not measuring, telescopic cylinder drive gag lever post extends to insert spacing downthehole the carrying on spacing of going on the lifing arm, when needing to remove, the third motor function, under gear connection and threaded connection's relation, order about the lifing cylinder and drive the universal wheel and fall and support subaerially, be convenient for remove, the advantage that has the measuring accuracy height and be convenient for remove.

Description

Falling ball type resilience modulus tester

Technical Field

The utility model relates to a road surface construction field specifically relates to a ball formula resilience modulus tester.

Background

With the rapid development of high-speed railways and highways in recent years, the quality requirements of the industry on road construction projects are increasingly strict, and the requirements on field tests, construction process control and the like are increasingly wide. Compared with the quality detection methods which are complex in operation, time-consuming and labor-consuming, such as a bearing plate method, a deflection method, a drop hammer deflection instrument method and a sand excavation and filling method, the drop ball type resilience modulus tester is based on the Hertz impact theory, can be used for carrying out large-area and full-section construction quality supervision on the soil foundation, effectively eradicates abnormal behaviors such as stealing work, material reduction and the like, ensures the construction quality, has huge social benefits and economic benefits, and has very important significance for ensuring the construction quality of major projects.

In order to guarantee engineering quality, standardize market environment, carry out modulus of resilience to soil base material and measure and become engineering quality and manage the essential procedure in-process one, current ball formula modulus of resilience tester measurement accuracy is poor, and the removal of being not convenient for simultaneously is not suitable for the measurement work in a plurality of regions, can't satisfy the in-service use needs, and from top to bottom can be seen, current ball formula modulus of resilience tester exists the measurement accuracy poor and the shortcoming of being not convenient for remove, is difficult to obtain popularization and application.

Therefore, it is desirable to provide a falling ball rebound modulus tester, which aims to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a falling ball formula resilience modulus tester to solve the problem among the above-mentioned background art.

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

a falling ball type resilience modulus tester comprises a top plate, wherein a first supporting leg and a second supporting leg which are convenient to support are arranged at the bottom of the top plate, a lifting arm and a spherical crown body are movably connected onto the top plate, a first lifting driving assembly is arranged on one side of the lifting arm, the first lifting driving assembly comprises a first rotating shaft, a first motor and a sector gear, a plurality of teeth meshed with the sector gear are arranged on one side of the lifting arm, the lifting arm is connected onto the top plate in a sliding mode through a sliding block, a limiting fixing assembly is arranged above one side of the lifting arm, the limiting fixing assembly comprises a limiting rod and a telescopic cylinder, a plurality of limiting holes matched and connected with the limiting rod are formed in the lifting arm, a soil matrix material to be tested is arranged below the spherical crown body, the first supporting leg is connected into the second supporting leg in a sliding mode through a sliding rod, be provided with second lift drive assembly in the second supporting leg, second lift drive assembly is including changeing roller, guide bar, first gear, second gear and second motor, a plurality of spiral lines have been seted up on changeing the roller, the guide bar passes through universal ball sliding connection on changeing the roller, guide bar fixed connection is on first supporting leg, one side of second supporting leg is provided with the universal wheel of being convenient for to remove, the universal wheel passes through a lift section of thick bamboo swing joint on fixed box, the top of a lift section of thick bamboo is connected with third lift drive assembly, third lift drive assembly includes screw rod, first conical gear, second conical gear, worm and worm wheel, the worm wheel is connected with the rotation driving assembly through the second pivot, the rotation driving assembly includes hold-in range and third motor.

As a further scheme of the utility model, sector gear fixed connection is in first pivot, first pivot swivelling joint is on first supporting leg, the output shaft of the first motor of first pivot fixedly connected with, the bottom fixedly connected with spherical crown body of lift arm, the bottom fixedly connected with time difference caliber of the spherical crown body, the top of roof is provided with resilience modulus tester host computer, the gag lever post passes through slider sliding connection in the top of roof, the piston rod of gag lever post fixedly connected with telescoping cylinder.

As a further scheme of the utility model, change the roller and rotate the inside of connecting in the second supporting leg through the pivot, change the first gear of fixedly connected with in the pivot of roller, first gear meshes with the second gear mutually, the output shaft of second gear fixedly connected with second motor.

As a further aspect of the present invention, the fixed box is fixedly connected to the outside of the second support leg, the universal wheel is fixedly connected to the bottom of the lifting cylinder through the mounting block, the lifting cylinder is connected to the screw rod through threads, the screw rod is connected to the inside of the fixed box through rotation, a first bevel gear is fixedly connected to the screw rod, and the first bevel gear is meshed with a second bevel gear.

As a further aspect of the present invention, second bevel gear fixed connection is on the worm, the worm rotates to be connected in the fixed box, the worm is connected with worm gear, worm wheel fixed connection is in the second pivot, the second pivot is connected with the output shaft of third motor through the hold-in range rotation, the third motor is positive and negative motor.

To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

the utility model discloses a test of falling ball formula resilience modulus is carried out on the lifing arm through spherical cap body fixed connection, and the time difference caliber that is provided is convenient for measure required time difference, according to the height that needs to be measured of external controller and resilience modulus tester host computer regulation, drives the second motor operation, makes the second gear rotate, thereby drives the change roller on the first gear to rotate, set up a plurality of spiral lines on the change roller, and the guide bar passes through universal ball sliding connection on the change roller, realizes that first supporting leg drives the spherical cap body under the guide effect of slide bar and goes up and down, when reaching required measurement height, first motor drive first pivot is rotatory, and sector gear meshes with the tooth of lifing arm inboard, when sector gear rotated to toothless region, external controller drive first motor stopped the operation and auto-locked, the spherical cap body realized free falling body under the guide effect of lifing arm at this moment, fall on the soil matrix material that awaits measuring and detect, the measurement according to resilience modulus tester host computer and time difference caliber reachs required result, it is high to detect the precision, when not measuring, telescopic cylinder drive gag lever post extends and inserts spacing downthehole spacing fixed of carrying on the lifing arm, when the region of difference is examined to needs, by the function of controller control third motor, under the drive effect of hold-in range, it is rotatory to order about the epaxial worm wheel of second commentaries on classics, worm wheel and worm gear connection, thereby it is rotatory to order about second conical gear, realize that the screw rod on the first conical gear is rotatory, under threaded connection's relation, order about the lifing barrel and drive the universal wheel and fall on the ground and support, be convenient for make the device remove, and convenient for operation, the high and the removal advantage of being convenient for of measurement accuracy is.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is an enlarged schematic view of embodiment a of the present invention.

Fig. 3 is an enlarged schematic view of embodiment B of the present invention.

Fig. 4 is a schematic structural view of the sector gear connection in the embodiment of the present invention.

Reference numerals: 1-top plate, 2-first support leg, 3-second support leg, 4-lifting arm, 5-spherical crown body, 6-time difference measurer, 7-first rotating shaft, 8-first motor, 9-sector gear, 10-limiting hole, 11-limiting rod, 12-telescopic cylinder, 13-resilience modulus tester host, 14-soil base material to be tested, 15-rotating roller, 16-sliding rod, 17-guide rod, 18-first gear, 19-second gear, 20-second motor, 21-fixing box, 22-universal wheel, 23-lifting cylinder, 24-screw, 25-first conical gear, 26-second conical gear, 27-worm, 28-worm gear, 29-second rotating shaft, 30-synchronous belt, 31-third motor.

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.

The following detailed description is provided for the specific embodiments of the present invention.

Example 1

Referring to fig. 1 to 4, a falling ball type resilience modulus tester comprises a top plate 1, a first supporting leg 2 and a second supporting leg 3 which are convenient to support are arranged at the bottom of the top plate 1, a lifting arm 4 and a spherical crown body 5 are movably connected to the top plate 1, a first lifting driving component is arranged on one side of the lifting arm 4, the first lifting driving component comprises a first rotating shaft 7, a first motor 8 and a sector gear 9, a plurality of teeth meshed with the sector gear 9 are arranged on one side of the lifting arm 4, the lifting arm 4 is connected to the top plate 1 in a sliding manner through a sliding block, a limiting fixing component is arranged above one side of the lifting arm 4, the limiting fixing component comprises a limiting rod 11 and a telescopic cylinder 12, a plurality of limiting holes 10 matched and connected with the limiting rod 11 are formed in the lifting arm 4, a soil-based material 14 to be tested is arranged below the spherical crown body 5, first supporting leg 2 passes through slide bar 16 sliding connection in second supporting leg 3, be provided with second lift drive assembly in the second supporting leg 3, second lift drive assembly is including changeing roller 15, guide bar 17, first gear 18, second gear 19 and second motor 20, a plurality of spiral lines have been seted up on changeing roller 15, guide bar 17 passes through universal ball sliding connection on changeing roller 15, guide bar 17 fixed connection is on first supporting leg 2.

Further, 9 fixed connection of sector gear is in

first pivot

7, 7 rotation of first pivot are connected on first supporting

leg

2, 7 fixedly connected with first motor's of first pivot output shaft, the bottom fixedly connected with spherical crown body 5 of lifing arm 4, the bottom fixedly connected with time difference caliber 6 of spherical crown body 5, the top of roof 1 is provided with resilience modulus tester host computer 13, gag lever post 11 passes through slider sliding connection in the top of roof 1, the piston rod of gag lever post 11 fixedly connected with telescoping cylinder 12.

Further, the rotating roller 15 is rotatably connected to the inside of the second supporting leg 3 through a rotating shaft, a first gear 18 is fixedly connected to the rotating shaft of the rotating roller 15, the first gear 18 is meshed with a second gear 19, and the second gear 19 is fixedly connected with an output shaft of a second motor 20.

Preferably, through the test of the ball crown body 5 fixed connection in the ball formula modulus of resilience of falling on the lifing arm 4, the time difference caliber 6 that sets up is convenient for measure required time difference, adjust the height that needs the measurement according to external control ware and resilience modulus tester host computer 13, order about the operation of second motor 20, make second gear 19 rotatory to it is rotatory to order about the commentaries on classics roller 15 on the first gear 18, a plurality of spiral lines have been seted up on the commentaries on classics roller 15, and guide bar 17 passes through universal ball sliding connection on commentaries on classics roller 15, realizes that first supporting leg 2 drives ball crown body 5 under slide bar 16's guide effect and goes up and down.

Preferably, when reaching required measurement height, first motor 8 drive first pivot 7 is rotatory, sector gear 9 meshes with the tooth of lifting arm 4 inboard, when sector gear 9 rotated to no tooth region, external control ware drive first motor 8 stop the operation and the auto-lock, the free fall of spherical crown body 5 realization under the guide effect of lifting arm 4 this moment, fall on the soil matrix material 14 that awaits measuring and detect, obtain required result according to the measurement of resilience modulus tester host computer 13 and time difference measurement ware 6, detect the precision height.

Preferably, when the measurement is not performed, the telescopic cylinder 12 drives the limit rod 11 to be inserted into the limit hole 10 on the lifting arm 4 for limit fixing.

Example 2

Referring to fig. 1 to 4, the falling ball type rebound modulus tester comprises a top plate 1, wherein a first supporting leg 2 and a second supporting leg 3 which are convenient to support are arranged at the bottom of the top plate 1, a lifting arm 4 and a spherical crown body 5 are movably connected to the top plate 1, a universal wheel 22 which is convenient to move is arranged on one side of the second supporting leg 3, the universal wheel 22 is movably connected to a fixed box 21 through a lifting cylinder 23, a third lifting driving assembly is connected to the upper portion of the lifting cylinder 23, the third lifting driving assembly comprises a screw rod 24, a first bevel gear 25, a second bevel gear 26, a worm 27 and a worm wheel 28, the worm wheel 28 is connected with a rotation driving assembly through a second rotating shaft 29, and the rotation driving assembly comprises a synchronous belt 30 and a third motor 31.

Further, fixed case 21 fixed connection is in the outside of second supporting leg 3, universal wheel 22 passes through installation piece fixed connection in the bottom of a lift section of thick bamboo 23, a lift section of thick bamboo 23 threaded connection is on screw rod 24, screw rod 24 rotates and connects in the inside of fixed case 21, fixedly connected with first conical gear 25 on screw rod 24, first conical gear 25 meshes with second conical gear 26 mutually.

Further, the second bevel gear 26 is fixedly connected to a worm 27, the worm 27 is rotatably connected to the inside of the fixed box 21, the worm 27 is in gear connection with a worm wheel 28, the worm wheel 28 is fixedly connected to a second rotating shaft 29, the second rotating shaft 29 is rotatably connected to an output shaft of a third motor 31 through a synchronous belt 30, and the third motor 31 is a positive and negative motor.

Preferably, when different areas need to be detected, the controller controls the third motor 31 to operate, under the driving action of the synchronous belt 30, the worm wheel 28 on the second rotating shaft 29 is driven to rotate, the worm wheel 28 is in gear connection with the worm 27, so that the second bevel gear 26 is driven to rotate, the rotation of the screw 24 on the first bevel gear 25 is realized, and under the relationship of threaded connection, the lifting cylinder 23 is driven to drive the universal wheel 22 to fall on the ground for supporting, so that the device is convenient to move, and the operation is convenient.

The rest of the structure of this example is the same as example 1.

The utility model discloses a theory of operation is: the falling ball type resilience modulus is tested by fixedly connecting the spherical crown body 5 to the lifting arm 4, the time difference measurer 6 is arranged to measure the required time difference conveniently, the height to be measured is adjusted according to an external controller and the resilience modulus tester host 13, the second motor 20 is driven to operate, the second gear 19 is driven to rotate, the rotary roller 15 on the first gear 18 is driven to rotate, a plurality of spiral grains are arranged on the rotary roller 15, the guide rod 17 is connected to the rotary roller 15 in a sliding manner through a universal ball, the first supporting leg 2 drives the spherical crown body 5 to lift under the guide effect of the slide rod 16, when the required measuring height is reached, the first motor 8 drives the first rotating shaft 7 to rotate, the sector gear 9 is meshed with teeth on the inner side of the lifting arm 4, when the sector gear 9 rotates to a toothless area, the external controller drives the first motor 8 to stop operating and self-lock, at the moment, the spherical crown body 5 freely falls under the guiding action of the lifting arm 4 and falls on the soil base material 14 to be detected for detection, a required result is obtained according to the measurement of the resilience modulus tester host 13 and the time difference measurer 6, the detection precision is high, when the measurement is not carried out, the telescopic cylinder 12 drives the limiting rod 11 to extend and insert into the limiting hole 10 on the lifting arm 4 for limiting and fixing, when different areas are required for detection, the controller controls the third motor 31 to operate, under the driving action of the synchronous belt 30, the worm wheel 28 on the second rotating shaft 29 is driven to rotate, the worm wheel 28 is in gear connection with the worm 27, so as to drive the second bevel gear 26 to rotate, the screw 24 on the first bevel gear 25 is driven to rotate, under the thread connection relationship, the lifting cylinder 23 is driven to drive the universal wheel 22 to fall on the ground for supporting, so that the device can move, the operation is convenient.

It should be particularly noted that all the components in the present application are common standard components or components known to those skilled in the art, and the design of the first lifting driving assembly, the limit fixing assembly, the second lifting driving assembly, the third lifting driving assembly and the rotary driving assembly is applied to a falling ball type rebound modulus tester, which is an innovative point of the present application, and effectively solves the problems of poor measurement accuracy and inconvenient movement of the existing falling ball type rebound modulus tester.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A falling ball type resilience modulus tester comprises a top plate (1), wherein a first supporting leg (2) and a second supporting leg (3) which are convenient to support are arranged at the bottom of the top plate (1), and the falling ball type resilience modulus tester is characterized in that a lifting arm (4) and a spherical crown body (5) are movably connected to the top plate (1), a first lifting driving component is arranged on one side of the lifting arm (4) and comprises a first rotating shaft (7), a first motor (8) and a sector gear (9), a plurality of teeth meshed with the sector gear (9) are arranged on one side of the lifting arm (4), the lifting arm (4) is connected to the top plate (1) in a sliding mode through a sliding block, a limiting fixing component is arranged above one side of the lifting arm (4) and comprises a limiting rod (11) and a telescopic cylinder (12), a plurality of limiting holes (10) matched and connected with the limiting rod (11) are formed in the lifting arm (4), the soil base material (14) to be detected is arranged below the spherical crown body (5), the first supporting leg (2) is connected into the second supporting leg (3) in a sliding mode through a sliding rod (16), a second lifting driving assembly is arranged in the second supporting leg (3), the second lifting driving assembly comprises a rotating roller (15), a guide rod (17), a first gear (18), a second gear (19) and a second motor (20), a plurality of spiral grains are formed in the rotating roller (15), the guide rod (17) is connected onto the rotating roller (15) in a sliding mode through universal balls, the guide rod (17) is fixedly connected onto the first supporting leg (2), a universal wheel (22) convenient to move is arranged on one side of the second supporting leg (3), the universal wheel (22) is movably connected onto a fixed box (21) through a lifting cylinder (23), and a third lifting driving assembly is connected above the lifting cylinder (23), the third lifting driving assembly comprises a screw rod (24), a first bevel gear (25), a second bevel gear (26), a worm (27) and a worm wheel (28), the worm wheel (28) is connected with a rotary driving assembly through a second rotating shaft (29), and the rotary driving assembly comprises a synchronous belt (30) and a third motor (31).

2. The falling ball type rebound modulus tester according to claim 1, wherein the sector gear (9) is fixedly connected to a first rotating shaft (7), the first rotating shaft (7) is rotatably connected to a first supporting leg (2), the first rotating shaft (7) is fixedly connected with an output shaft of a first motor (8), the bottom of the lifting arm (4) is fixedly connected with a spherical crown body (5), the bottom of the spherical crown body (5) is fixedly connected with a time difference measurer (6), the top of the top plate (1) is provided with a rebound modulus tester host (13), the limiting rod (11) is slidably connected to the top of the top plate (1) through a sliding block, and the limiting rod (11) is fixedly connected with a piston rod of a telescopic cylinder (12).

3. The falling ball rebound modulus tester according to claim 2, wherein the rotating roller (15) is rotatably connected to the inside of the second supporting leg (3) through a rotating shaft, a first gear (18) is fixedly connected to the rotating shaft of the rotating roller (15), the first gear (18) is meshed with a second gear (19), and the second gear (19) is fixedly connected with an output shaft of a second motor (20).

4. The falling ball type rebound modulus tester according to claim 1, wherein the fixed box (21) is fixedly connected to the outer side of the second support leg (3), the universal wheel (22) is fixedly connected to the bottom of the lifting cylinder (23) through a mounting block, the lifting cylinder (23) is in threaded connection with a screw (24), the screw (24) is rotatably connected to the inside of the fixed box (21), a first bevel gear (25) is fixedly connected to the screw (24), and the first bevel gear (25) is meshed with a second bevel gear (26).

5. The falling ball rebound modulus tester according to claim 4, wherein the second bevel gear (26) is fixedly connected to a worm (27), the worm (27) is rotatably connected in the fixed box (21), the worm (27) is in gear connection with a worm wheel (28), the worm wheel (28) is fixedly connected to a second rotating shaft (29), the second rotating shaft (29) is rotatably connected with an output shaft of a third motor (31) through a synchronous belt (30), and the third motor (31) is a positive and negative motor.