CN216338914U - Auxiliary detection device for deflectometer - Google Patents

Abstract

The utility model discloses a deflection gauge detection auxiliary device which comprises a shell, wherein a positioning assembly is arranged in the shell through a vertically arranged supporting rod, the positioning assembly comprises a movable plate sleeved on the supporting rod and a fixed plate arranged at the bottom of the supporting rod, the lower side of the movable plate and the upper side of the fixed plate are both connected with a limiting frame, a balancing weight is arranged on the upper side of the movable plate, a deflection gauge connecting rod is arranged on the inner side of the limiting frame, a leveling mechanism is arranged on the lower portion of the shell and comprises a rotating wheel arranged on the outer side of the shell, a first screw rod is connected to the inner side of the rotating wheel, a first bevel gear is connected to the side surface of the first screw rod, and a second bevel gear is meshed to the side surface of the first bevel gear. The device has scientific and reasonable structural design, can quickly assist the deflectometer to carry out leveling operation, effectively improves the leveling efficiency of the device, improves the detection efficiency and ensures the accuracy of detection data.

Description

Auxiliary detection device for deflectometer

Technical Field

The utility model relates to the technical field of auxiliary equipment of a deflectometer, in particular to an auxiliary detection device of the deflectometer.

Background

The deflection is one of important technical indexes for the quality condition evaluation of highway design and highway engineering, and reflects the overall strength of each level of a road surface on the whole. The deflection performance parameter is a deflection value, and the deflection value refers to the total vertical deformation generated at the wheel gap position on the surface of the roadbed or the road surface under the action of specified standard axle load; if the deflection value is too large, the deformation of the road surface is larger, and each layer of the road surface is easy to break, thereby bringing great influence to traffic; the reason for the excessive deflection value of the pavement is generally related to the material property, thickness and integrity of each layer of the pavement, so that the deflection detection of the pavement in the road construction process is very important. At present, the expressway in China is vigorously developed, roadbed tests need to be carried out according to the requirements of inspection and detection specifications, however, at the present stage, the data of field tests are very inaccurate, and the reason is that the support is directly contacted with the rolling surface of the roadbed, and the floating soil on the rolling surface of the roadbed is not compact and uneven. Therefore, the fulcrum correction treatment is needed, however, the existing deflectometer lacks a tool capable of leveling the fulcrum during working, and the deflectometer mechanism is easy to deviate to influence the detection effect. Therefore, a deflectometer detection auxiliary device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a deflectometer detection auxiliary device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a deflectometer detects auxiliary device, includes the casing, locating component is installed through the bracing piece of vertical setting in the casing, locating component establishes the movable plate on the bracing piece and installs the fixed plate in the bracing piece bottom including the cover, movable plate downside and fixed plate upside all are connected with spacing, the movable plate upside is provided with the balancing weight, the deflectometer connecting rod is installed to spacing inboard, the casing lower part is provided with the mechanism of making level, the mechanism of making level is including setting up the runner in the casing outside, the runner inboard is connected with first screw rod, first screw rod side is connected with first bevel gear, first bevel gear side meshing has second bevel gear, second bevel gear downside is connected with the second screw rod, the second screw rod is rotationally installed in the supporting sleeve.

Preferably, the four corners of the bottom of the shell are provided with rotatable rollers through brackets.

Preferably, the supporting rod is sleeved with a spring, and a fixing block is arranged on the upper side of the spring.

Preferably, a level gauge is arranged on the inner wall of the shell.

Preferably, a hand lever is fixed on the outer side of the rotating wheel, and the first screw rod is movably mounted in the side wall of the shell through a bearing.

Preferably, the sliding grooves on two sides of the supporting sleeve are internally clamped with limiting blocks, and the limiting blocks are fixed on the inner wall of the shell.

Compared with the prior art, the utility model has the beneficial effects that: the auxiliary device for detecting the deflectometer has simple and reasonable structural design and stronger practicability, can quickly and effectively fix and limit the deflectometer connecting rod by arranging the positioning component consisting of the structures such as the balancing weight, the movable plate, the fixed plate, the limiting frame, the spring, the fixed block and the like, avoids the displacement of the deflectometer connecting rod, enables the deflectometer connecting rod to be parallel to the horizontal plane of the shell, can avoid the interference on the detection process when the external wind power is larger by arranging the leveling mechanism consisting of the rotating wheel, the hand lever, the first screw rod, the first bevel gear, the second screw rod and the supporting sleeve, can quickly adjust the relative height of the supporting sleeve by rotating the hand lever, enables the shell to be quickly adjusted to be in a horizontal state by observing the state of the level during the adjustment process, and effectively improves the leveling efficiency of the device, the detection efficiency is improved, and the accuracy of the detection data is ensured.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic view of the support sleeve of the present invention.

In the figure: the device comprises a shell 1, a support 11, rollers 12, support rods 13, fixing blocks 14, springs 15, balancing weights 16, a moving plate 17, a fixing plate 18, a limiting frame 19, a connecting rod 2 of a deflectometer, a level 21, a rotating wheel 22, a hand lever 23, a first screw 24, a first bevel gear 25, a second bevel gear 26, a second screw 27, a support sleeve 28 and a limiting block 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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. 1-2, the present invention provides a technical solution: the utility model provides a deflectometer detects auxiliary device, which comprises a housin 1, 1 bottom four corners department of casing all installs rotatable gyro wheel 12 through support 11, install locating component through the bracing piece 13 of vertical setting in the casing 1, bracing piece 13 is fixed in casing 1, locating component establishes movable plate 17 on bracing piece 13 and installs the fixed plate 18 in bracing piece 13 bottom including the cover, movable plate 17 downside all is connected with spacing 19 with fixed plate 18 upside, 19 one side openings of spacing, two spacing 19 about 2 accessible of deflectometer connecting rod are effectively fixed.

The upper side of a movable plate 17 is provided with a balancing weight 16, a supporting rod 13 is sleeved with a spring 15, the upper side of the spring 15 is provided with a fixed block 14, concretely, the spring 15 is in a compressed state, the balancing weight 16 and the movable plate 17 are pushed tightly downwards under the action of the elastic force of the spring 15, so that a limiting frame 19 can be stably clamped on the upper side of a deflectometer connecting rod 2, the side surface of the deflectometer connecting rod 2 is provided with a plurality of positioning grooves which can be used for connecting with a main structure of the deflectometer, the deflectometer connecting rod 2 is arranged on the inner side of the limiting frame 19, the deflectometer connecting rod 2 can be effectively fixed and limited rapidly by a positioning assembly formed by the balancing weight 16, the movable plate 17, a fixed plate 18, the limiting frame 19, the spring 15, the fixed block 14 and the like, the deflectometer connecting rod 2 is prevented from displacement, so that the deflectometer connecting rod 2 is parallel to the horizontal plane of a shell 1, and the main body of the deflectometer connecting rod 2 is placed on the inner side of the shell 1, therefore, the interference to the detection process when the external wind power is large can be avoided.

The inner wall of the shell 1 is provided with a level 21, the level 21 can select a common level bubble gauge to ensure the level detection effect, the lower part of the shell 1 is provided with a leveling mechanism, the leveling mechanism comprises a rotating wheel 22 arranged at the outer side of the shell 1, a hand lever 23 is fixed at the outer side of the rotating wheel 22, a first screw 24 is movably arranged in the side wall of the shell 1 through a bearing, the inner side of the rotating wheel 22 is connected with a first screw 24, the side surface of the first screw 24 is connected with a first bevel gear 25, the side surface of the first bevel gear 25 is engaged with a second bevel gear 26, the lower side of the second bevel gear 26 is connected with a second screw 27, the second screw 27 is rotatably arranged in a supporting sleeve 28, concretely, the leveling mechanism is provided with four groups which are uniformly distributed at the two sides of the shell 1, during the leveling operation, the hand lever 23 is manually rotated to drive the rotating wheel 22 to rotate, the rotating wheel 22 drives the first screw 24 and the first bevel gear 25 to synchronously rotate, the first bevel gear 25 drives the second bevel gear 26 engaged with the first bevel gear to rotate, the second bevel gear 26 drives the second screw 27 to rotate, the supporting sleeve 28 screwed with the second screw 27 is stressed to move downwards, the bottom of the supporting sleeve 28 is used as a supporting mechanism to be contacted with the ground, four groups of leveling mechanisms are sequentially operated, so that the shell 1 can be parallel to the ground, the leveling operation is completed, after the adjustment is finished, the whole device is leveled by observing the level gauge 21, the relative height of the supporting sleeve 28 can be quickly adjusted by rotating the lever 23 through the leveling mechanism consisting of the rotating wheel 22, the lever 23, the first screw 24, the first bevel gear 25, the second bevel gear 26, the second screw 27 and the supporting sleeve 28, the shell 1 is quickly adjusted to be in a horizontal state by observing the state of the level gauge 21 in the adjustment process, and the leveling efficiency of the device is effectively improved, the detection efficiency is improved, the accuracy of the detection data is guaranteed, the limiting blocks 29 are arranged in the sliding grooves on the two sides of the supporting sleeve 28 in a clamped mode, the limiting blocks 29 are fixed on the inner wall of the shell 1, when the second screw 27 rotates, the limiting blocks 29 move in the sliding grooves relatively, the supporting sleeve 28 can be effectively prevented from rotating under the action of the limiting blocks 29, and therefore the stability of the adjusting process of the device is guaranteed.

The working principle is as follows:

the auxiliary device for detecting the deflectometer comprises a spring 15, wherein the spring 15 is in a compressed state, a balancing weight 16 and a movable plate 17 are pushed tightly downwards under the action of the elastic force of the spring 15, so that a limit frame 19 can be stably clamped on the upper side of a deflectometer connecting rod 2, the deflectometer connecting rod 2 can be effectively fixed through an upper limit frame 19 and a lower limit frame 19, a rotating wheel 22 is driven to rotate through a manual rotating hand rod 23 during leveling operation, the rotating wheel 22 drives a first screw rod 24 and a first bevel gear 25 to synchronously rotate, the first bevel gear 25 drives a second bevel gear 26 meshed with the first bevel gear to rotate, the second bevel gear 26 drives a second screw rod 27 to rotate, a supporting sleeve 28 screwed with the second screw rod 27 is stressed to move downwards, the bottom of the supporting sleeve 28 is used as a supporting mechanism to be in contact with the ground, four groups of leveling mechanisms are sequentially operated, so that a shell 1 can be parallel to the ground, and the leveling operation is completed, can guarantee through above-mentioned operation that deflectometer connecting rod 2 can not appear squinting to guarantee the detection effect of device, brought the facility for detecting the operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a deflectometer detects auxiliary device, includes casing (1), its characterized in that: a positioning component is arranged in the shell (1) through a vertically arranged support rod (13), the positioning component comprises a movable plate (17) sleeved on the support rod (13) and a fixed plate (18) arranged at the bottom of the support rod (13), the lower side of the movable plate (17) and the upper side of the fixed plate (18) are both connected with a limiting frame (19), a balancing weight (16) is arranged on the upper side of the movable plate (17), a deflectometer connecting rod (2) is arranged on the inner side of the limiting frame (19), a leveling mechanism is arranged on the lower portion of the shell (1), the leveling mechanism comprises a rotating wheel (22) arranged on the outer side of the shell (1), a first screw (24) is connected on the inner side of the rotating wheel (22), a first bevel gear (25) is connected on the side of the first screw (24), a second bevel gear (26) is meshed on the side of the first bevel gear (25), a second screw (27) is connected on the lower side of the second bevel gear (26), the second screw (27) is rotatably mounted in a support sleeve (28).

2. The deflectometer detection aid according to claim 1, wherein: the four corners of the bottom of the shell (1) are provided with rotatable rollers (12) through brackets (11).

3. The deflectometer detection aid according to claim 1, wherein: the support rod (13) is sleeved with a spring (15), and a fixed block (14) is arranged on the upper side of the spring (15).

4. The deflectometer detection aid according to claim 1, wherein: a level gauge (21) is arranged on the inner wall of the shell (1).

5. The deflectometer detection aid according to claim 1, wherein: a hand lever (23) is fixed on the outer side of the rotating wheel (22), and the first screw rod (24) is movably arranged in the side wall of the shell (1) through a bearing.

6. The deflectometer detection aid according to claim 1, wherein: the inner sides of the sliding grooves on the two sides of the supporting sleeve (28) are clamped with limiting blocks (29), and the limiting blocks (29) are fixed on the inner wall of the shell (1).

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