CN220416718U

CN220416718U - Deflection instrument support

Info

Publication number: CN220416718U
Application number: CN202321574960.XU
Authority: CN
Inventors: 陈子昂
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2024-01-30
Anticipated expiration: 2033-06-20

Abstract

The utility model relates to a deflectometer bracket, which belongs to the technical field of deflectometers and comprises a falling weight deflectometer main body, a mounting base, and a connecting plate uniformly and fixedly arranged on the outer wall of the mounting base. According to the utility model, the falling weight deflectometer main body can be connected with the connecting bracket through the screw, so that the falling weight deflectometer main body can perform deflection value detection work in the vehicle, the first band-type brake stepping motor rotates the first ball screw to drive the adjusting frame to slide at the top of the mounting base, the second band-type brake stepping motor rotates the second ball screw to drive the connecting bracket and the falling weight deflectometer main body mounted by the connecting bracket to be stably taken out from the carriage, and the deflectometer bracket structure can be stably placed in the vehicle for use and can also be used for adjusting the falling weight deflectometer, so that the falling weight deflectometer can be directly attached to the ground for pavement deflection value test, the applicability of the deflectometer is improved, and the falling weight deflectometer is convenient to take out from the vehicle for dismounting and overhauling.

Description

Deflection instrument support

Technical Field

The utility model relates to the technical field of a deflection instrument, in particular to a deflection instrument bracket.

Background

The deflection meter is suitable for measuring rebound deflection value of the road surface so as to evaluate the overall strength of the road surface, if the deflection value is too large, the deformation is larger, each layer of the road surface is easy to break, in order to improve the deflection value detection effect, the drop hammer deflection meter is generally used for carrying out dynamic deflection test on the road surface, a hydraulic system under the control of a computer is used for freely dropping a heavy hammer, the impact force of the heavy hammer applies pulse load to the road surface through a 4-part sector plate, the road surface generates deflection, sensors distributed on different distances on the deflection detection device detect the deformation of the road surface, and a recording system inputs signals into the computer to obtain deflection and deflection basin of the road surface measuring point.

Through retrieving, current publication number is CN213740499U chinese patent discloses a portable on-vehicle drop hammer deflection appearance, through setting up movable device, when making things convenient for the support to move on the straight-bar, also can demolish movable device, the convenience is protected movable device's inseparable device, reduce the vehicle motion in-process and cause the damage to movable device, and increase the portable effect of device, through setting up the connecting rod, increase the vertical effect between weight and the loading board, make things convenient for weight and loading board to be in a vertical straight line, adjust the distance between straight-bar and the mount according to the vehicle bottom plate height of vehicle, set up link and mount, make loading board and mount make up into a whole, increase the stability of loading board through the cooperation of connecting rod and mount, avoid the loading board to appear rocking the situation in the testing process, also can dismantle link and mount, increase the portability of each device.

The technical scheme has the following defects that although the vehicle-mounted falling weight deflectometer can be stably installed in a vehicle for use, the vehicle-mounted falling weight deflectometer needs to be disassembled and assembled in a narrow carriage when in actual use, and inconvenient operation is performed in the narrow space of the carriage.

In view of this, the present utility model provides a technical solution for improving and solving the above-mentioned problems, and for intensively researching and applying in cooperation with the academic theory, and finally providing a solution which has a reasonable design and can effectively improve the above-mentioned drawbacks.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The utility model provides a deflection meter bracket, which solves the problems raised by the background, not only can be stably placed in a vehicle for use, but also can be used for adjusting a drop hammer deflection meter, so that the drop hammer deflection meter bracket can be directly attached to the ground for testing the deflection value of the road surface, the applicability of the deflection meter is improved, and the deflection meter bracket does not need to be detached and installed in a narrow vehicle, thereby being convenient for being taken out from the vehicle for disassembly, assembly and maintenance.

The scheme for solving the technical problems is as follows: the utility model provides a deflection appearance support, includes drop hammer deflection appearance main part, installation base, the even fixed mounting of outer wall of installation base has the connecting plate, connecting plate accessible screw and carriage inner wall connection, the inner wall fixed mounting of installation base has a band-type brake step motor, a band-type brake step motor fixedly connected with ball screw, a ball screw's outer wall threaded connection has a screw nut, a screw nut's both sides fixedly connected with bearing slider, bearing slider's top fixed mounting has the alignment jig, no. two band-type brake step motor of inner wall bottom fixed mounting of alignment jig, no. two ball screw threaded connection has No. two screw nuts, no. two screw nut's both sides fixed mounting has the lift slider, lift slider fixedly connected with connecting piece, drop hammer deflection appearance main part's bottom has the connecting bracket through the screw connection.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the inner wall of the mounting base is close to the bearing rods fixedly mounted on two sides of the middle position, the bearing sliding block is provided with a sliding hole matched with the bearing rods, and the inner wall of the sliding hole is in sliding connection with the bearing rods.

Further, the inner wall of the adjusting frame is close to the two sides of the middle position and is fixedly provided with a sliding rod, the lifting sliding block is provided with an adjusting hole matched with the sliding rod, and the inner wall of the adjusting hole is in sliding connection with the sliding rod.

Further, the first ball screw is rotatably connected with the inner wall of the mounting base.

Further, the second ball screw is rotatably connected with the inner wall of the adjusting frame.

Further, the connection bracket is provided in an L-shaped structure.

Further, the outer walls of the mounting base and the adjusting frame are respectively provided with a strip-shaped hole matched with the bearing sliding block and the lifting sliding block, and the bearing sliding block and the lifting sliding block respectively penetrate through the strip-shaped hole to be fixedly connected with the adjusting frame and the connecting piece.

Further, the outer walls of the connecting piece and the connecting bracket are uniformly provided with bolt holes, and the connecting piece is fixedly connected with the connecting bracket through bolts.

The utility model provides a deflection instrument bracket, which has the following advantages:

the falling weight deflectometer main part accessible screw is connected with the connecting bracket for falling weight deflectometer main part can carry out deflection value detection work in the car, band-type brake step motor rotates No. one ball and can drive the carriage at the top slip adjustment position of installation base, no. two band-type brake step motor rotates No. two ball and can drive the connecting bracket and the falling weight deflectometer main part of installation steadily takes out in the carriage, and such deflectometer support structure not only can stably place in the car in use, can also adjust falling weight deflectometer, makes it can laminate ground and directly carry out road surface deflection value test, has improved the suitability of deflectometer, and need not to dismantle the installation work in narrow car, is convenient for take out from the car and carries out dismouting maintenance.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of a falling weight deflectometer body in a deflectometer bracket according to an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a vehicle-mounted state of a body of a deflectometer bracket falling weight deflectometer according to an embodiment of the utility model;

FIG. 3 is a schematic diagram of a side view of a bracket of a deflectometer according to an embodiment of the utility model;

FIG. 4 is a schematic view of a mounting base in a bracket of a deflectometer according to an embodiment of the utility model;

fig. 5 is a schematic structural view of an adjusting bracket in a bracket of a deflection apparatus according to an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a drop hammer deflectometer body; 2. a mounting base; 3. a connecting plate; 4. a first band-type brake stepping motor; 5. a first ball screw; 6. a first lead screw nut; 7. a bearing slide block; 8. a load-bearing rod; 9. an adjusting frame; 10. a second band-type brake stepping motor; 11. a second ball screw; 12. a second lead screw nut; 13. a lifting slide block; 14. a slide bar; 15. a connecting piece; 16. and a connecting bracket.

Detailed Description

The principles and features of the present utility model are described below with reference to fig. 1-5, the examples being provided for illustration only and not for limitation of the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-5, a deflectometer support comprises a falling weight deflectometer main body 1, a mounting base 2, wherein a connecting plate 3 is uniformly and fixedly arranged on the outer wall of the mounting base 2, the connecting plate 3 can be connected with the inner wall of a carriage through screws, a first band-type brake stepping motor 4 is fixedly arranged on the inner wall of the mounting base 2, the first band-type brake stepping motor 4 is fixedly connected with a first ball screw 5, a first screw nut 6 is in threaded connection with the outer wall of the first ball screw 5, two sides of the first screw nut 6 are fixedly connected with a bearing slide block 7, an adjusting frame 9 is fixedly arranged at the top of the bearing slide block 7, a second band-type brake stepping motor 10 is fixedly connected with a second ball screw 11, the second ball screw 11 is in threaded connection with a second screw nut 12, lifting slide blocks 13 are fixedly arranged on the two sides of the second screw nut 12, a connecting piece 15 is fixedly connected with the bottom of the falling weight deflectometer main body 1 through screws, and a connecting bracket 16 is fixedly arranged at the bottom of the bearing slide block 7.

Preferably, the inner wall of the installation base 2 is close to the bearing rod 8 fixedly installed on both sides of the middle position, the bearing slide block 7 is provided with a sliding hole matched with the bearing rod 8, and the inner wall of the sliding hole is in sliding connection with the bearing rod 8.

Preferably, the inner wall of the adjusting frame 9 is fixedly provided with sliding rods 14 at two sides close to the middle position, the lifting sliding block 13 is provided with adjusting holes matched with the sliding rods 14, and the inner wall of each adjusting hole is in sliding connection with the sliding rods 14.

Preferably, the ball screw No. 5 is rotatably connected to the inner wall of the mounting base 2.

Preferably, the ball screw No. 11 is rotatably connected to the inner wall of the adjusting bracket 9.

Preferably, the connection bracket 16 is provided in an L-shaped configuration.

Preferably, the outer walls of the mounting base 2 and the adjusting frame 9 are respectively provided with strip-shaped holes matched with the bearing slide blocks 7 and the lifting slide blocks 13, and the bearing slide blocks 7 and the lifting slide blocks 13 respectively penetrate through the strip-shaped holes to be fixedly connected with the adjusting frame 9 and the connecting piece 15.

Preferably, the outer walls of the connecting piece 15 and the connecting bracket 16 are uniformly provided with bolt holes, and the connecting piece 15 is fixedly connected with the connecting bracket 16 through bolts.

The specific working principle and the using method of the utility model are as follows: drop hammer deflection appearance main part 1 accessible screw is connected with connecting bracket 16 for drop hammer deflection appearance main part 1 can carry out deflection value detection work in the car, start band-type brake step motor 4 rotate ball screw 5 accessible screw nut 6 drive the bearing slider 7 of both sides and slide at the outer wall of bearing pole 8, make alignment jig 9 accessible at the top slip adjustment position of installation base 2, start two band-type brake step motor 10 rotate the lifting slider 13 of two sides at the outer wall slip of slide bar 14 of No. two screw nuts 12 drive, make connecting bracket 16 that connecting piece 15 connects and drop hammer deflection appearance main part 1 of its installation can steadily follow the carriage and take out, the bolt that connecting piece 15 and connecting bracket 16 are connected can laminate the ground and directly carry out road surface deflection value detection work, also be convenient for carry out dismouting maintenance work outside the car.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. The utility model provides a deflection appearance support, includes falling weight deflection appearance main part (1), installation base (2), its characterized in that: the utility model discloses a motor vehicle brake system, including installation base (2), carriage inner wall, connecting plate (3), band-type brake step motor (4) fixedly connected with ball screw (5), the outer wall threaded connection of ball screw (5) has a screw nut (6), the both sides fixedly connected with bearing slider (7) of screw nut (6), the top fixed mounting of bearing slider (7) has alignment jig (9), the inner wall bottom fixed mounting of alignment jig (9) has band-type brake step motor (10) No. two, band-type brake step motor (10) fixedly connected with ball screw (11) No. two, ball screw (11) threaded connection has ball screw nut (12) No. two, the both sides fixedly connected with lifting slider (13) of ball screw nut (12), lifting slider (13) fixedly connected with connecting piece (15), the bottom of main part (1) is connected with bracket (16) through the screw.

2. The deflection gauge bracket according to claim 1, wherein the inner wall of the mounting base (2) is fixedly provided with bearing rods (8) at two sides close to the middle position, the bearing slide block (7) is provided with sliding holes matched with the bearing rods (8), and the inner wall of the sliding holes is in sliding connection with the bearing rods (8).

3. The deflectometer bracket according to claim 1, wherein sliding rods (14) are fixedly arranged on two sides of the inner wall of the adjusting frame (9) close to the middle position, adjusting holes matched with the sliding rods (14) are formed in the lifting sliding blocks (13), and the inner wall of each adjusting hole is in sliding connection with the sliding rod (14).

4. A deflectometer support according to claim 1, characterized in that the ball screw (5) is rotatably connected to the inner wall of the mounting base (2).

5. A deflectometer support according to claim 1, characterized in that the ball screw (11) is rotatably connected to the inner wall of the adjusting bracket (9).

6. A deflectometer support according to claim 1, characterized in that the connection bracket (16) is provided in an L-shaped configuration.

7. The deflectometer bracket according to claim 1, wherein the outer walls of the mounting base (2) and the adjusting frame (9) are respectively provided with a strip-shaped hole matched with the bearing slide block (7) and the lifting slide block (13), and the bearing slide block (7) and the lifting slide block (13) respectively penetrate through the strip-shaped hole to be fixedly connected with the adjusting frame (9) and the connecting piece (15).

8. The bracket of the deflection instrument according to claim 1, wherein the outer walls of the connecting piece (15) and the connecting bracket (16) are uniformly provided with bolt holes, and the connecting piece (15) is fixedly connected with the connecting bracket (16) through bolts.