CN219369388U

CN219369388U - Auxiliary device for bridge load test detection

Info

Publication number: CN219369388U
Application number: CN202320322277.0U
Authority: CN
Inventors: 陈江华
Original assignee: Jiangsu Kaitong Construction Engineering Co ltd
Current assignee: Jiangsu Kaitong Construction Engineering Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-07-18
Anticipated expiration: 2033-02-27

Abstract

The utility model relates to the technical field of bridge load test detection, in particular to an auxiliary device for bridge load test detection, which comprises a base, wherein sliding tables are movably arranged on two sides of the top end of the base, and clamping plates are fixedly arranged on the top ends of the middle parts of the two sliding tables. According to the utility model, the pressing plate is arranged, after the cushion block stops descending, the electric cylinder is started, the output shaft of the electric cylinder drives the pressing plate to overturn and press down to the tops of the two ends of the bridge test sample through the first shaft seat after the electric cylinder is started, when the electric cylinder pushes the pressing plate, the top end of the electric cylinder is rotationally guided along the second shaft seat through the shaft head, so that the two ends of the bridge test sample can be stably clamped through the pressing plate, and when the bridge test sample is detected, the electric cylinder cannot displace when being subjected to pressure in the vertical direction, and the detection accuracy can be improved.

Description

Auxiliary device for bridge load test detection

Technical Field

The utility model relates to the technical field of bridge load test detection, in particular to an auxiliary device for bridge load test detection.

Background

The bridge is a building constructed for crossing natural or artificial obstacles on roads, is erected on rivers, lakes and seas, so that vehicles, pedestrians and the like can pass smoothly, the prestressed reinforced concrete bridge often needs to detect the load capacity of reinforced concrete blocks with the same design parameters before actual construction, and an auxiliary device is needed to support the reinforced concrete blocks when detecting reinforced concrete block samples.

The auxiliary device for bridge load test detection disclosed by the authority publication No. CN212771932U can quickly complete ground support of the strain sensor, reduce difficulty and cost of bridge load test detection and improve working efficiency of bridge load test detection, but does not solve the problem that when load detection exists in the auxiliary device for bridge load test detection, a bridge test sample is easy to horizontally displace during compression, so that instantaneous pressure in the vertical direction is partially relieved, and further certain error exists in detection data.

Disclosure of Invention

The utility model aims to provide an auxiliary device for bridge load test detection, which aims to solve the problems in the background technology.

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

the auxiliary device for bridge load test detection comprises

The device comprises a base, wherein sliding tables are movably arranged on two sides of the top end of the base, and clamping plates are fixedly arranged on the top ends of the middle parts of the two sliding tables;

the second shaft seat is fixedly connected to the outer parts of the two sides of the top ends of the two clamping plates, a shaft head is movably installed in the second shaft seat through a rotating shaft, and an electric cylinder is fixedly installed at the bottom end of the shaft head;

the bottom of the pressing plate is movably arranged on two sides of the middle of the clamping plate through a rotating shaft, a first shaft seat is fixedly arranged at the top end of the pressing plate, and the inside of the first shaft seat is movably connected to the output shaft end of the electric cylinder through the rotating shaft.

Preferably, the sliding table is fixedly connected with a rubber seat close to the top end of the outer side of the clamping plate, the top end of the rubber seat is fixedly connected with a sleeve shell, the top end of the sleeve shell is movably provided with a guide sleeve, the top end of the guide sleeve is fixedly connected with a cushion block, the outer wall of the guide sleeve is fixedly connected with a damping pad, and a spring is fixedly arranged between the guide sleeve and the inside of the sleeve shell;

preferably, the two ends of the sliding table, which are close to the rubber seat, are fixedly connected with sleeves, and the bottoms of the two ends of the cushion block are movably connected with the sleeves through guide rods;

preferably, both sides of both ends of the base are provided with sliding grooves, four corners of the bottom end of the sliding table are fixedly provided with guide wheels, and the guide wheels are movably connected with the sliding grooves;

preferably, a reinforcing plate is fixedly arranged between the sliding table and the outer side of the clamping plate, and the bottom end of the outer side of the reinforcing plate is fixedly connected with a mounting seat;

preferably, the axle brackets are fixedly installed on the top ends of the middle parts of the two sides of the base, the screw rods are connected with the inner parts of the axle brackets in a threaded mode, one ends of the screw rods are movably connected with the mounting base through bearings, and the crank is fixedly installed at one end, away from the mounting base, of the screw rods.

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

1. this auxiliary device that bridge load test detected through setting up the clamp plate, when the cushion stopped the decline, starts electronic jar, and its output shaft can drive the clamp plate upset through first axle bed after the electronic jar starts and push down to the both ends top of bridge test sample, and when electronic jar pushed the clamp plate, its top passed through the spindle nose and along the rotatory direction of second axle bed, can be with the both ends centre gripping stability of bridge test sample through the clamp plate like this, during the detection, when the bridge test sample received the pressure of vertical direction, can not send out the displacement, can improve the accuracy of detection like this.

2. This auxiliary device that bridge load test detected through setting up the crank, when needs carry out the adaptation adjustment according to the length of bridge test sample, and handheld crank shakes, drives the lead screw after the crank shakes rotatory, and the lead screw is rotatory after pushing or the pullback reinforcing plate through mount pad straight line, can drive splint synchronous movement like this and carry out the interval adjustment to the bridge test sample of adaptation different length.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a guide wheel structure according to the present utility model;

FIG. 3 is an enlarged schematic view of the present utility model at A in FIG. 2;

fig. 4 is an enlarged schematic view of the present utility model at B in fig. 2.

In the figure: 1. a base; 2. a sliding table; 3. a clamping plate; 4. a second axle seat; 5. a shaft head; 6. an electric cylinder; 7. a pressing plate; 8. a first shaft seat; 9. a rubber seat; 10. a casing; 11. guide sleeve; 12. a cushion block; 13. a damping pad; 14. a spring; 15. a sleeve; 16. a guide rod; 17. a chute; 18. a guide wheel; 19. a reinforcing plate; 20. a mounting base; 21. a shaft bracket; 22. a screw rod; 23. and (5) a crank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, the present utility model provides a technical solution:

auxiliary device that bridge load test detected, an auxiliary device that bridge load test detected includes

The device comprises a base 1, wherein sliding tables 2 are movably arranged on two sides of the top end of the base 1, and clamping plates 3 are fixedly arranged on the top ends of the middle parts of the two sliding tables 2;

the second shaft seat 4 is fixedly connected to the outer parts of the two sides of the top ends of the two clamping plates 3, a shaft head 5 is movably arranged in the second shaft seat 4 through a rotating shaft, and an electric cylinder 6 is fixedly arranged at the bottom end of the shaft head 5;

the bottom end of the pressing plate 7 is movably arranged on two sides of the middle part of the clamping plate 3 through a rotating shaft, a first shaft seat 8 is fixedly arranged at the top end of the pressing plate 7, and the inside of the first shaft seat 8 is movably connected with the output shaft end of the electric cylinder 6 through the rotating shaft;

through above-mentioned scheme, through setting up clamp plate 7, after cushion 12 stops to descend, start electric cylinder 6, its output shaft can drive clamp plate 7 upset through first axle bed 8 after electric cylinder 6 starts and push down to the both ends top of bridge test sample, when electric cylinder 6 promotes clamp plate 7, its top passes through spindle nose 5 along the rotatory direction of second axle bed 4, can be with the both ends centre gripping stability of bridge test sample like this through clamp plate 7, during the detection, when bridge test sample received the pressure of vertical direction, can not send out the displacement, can improve the accuracy of detection like this.

In this embodiment, preferably, the top end of the outer side of the sliding table 2, which is close to the clamping plate 3, is fixedly connected with a rubber seat 9, the top end of the rubber seat 9 is fixedly connected with a casing 10, the top end of the casing 10 is movably provided with a guide sleeve 11, the top end of the guide sleeve 11 is fixedly connected with a cushion block 12, the outer wall of the guide sleeve 11 is fixedly connected with a damping pad 13, and a spring 14 is fixedly arranged between the guide sleeve 11 and the interior of the casing 10;

through the scheme, after a sample is placed in the damping pad 13, the guide sleeve 11 is driven to be pressed downwards under the action of gravity, the damping pad 13 on the outer wall of the guide sleeve 11 can synchronously slide downwards along the inner wall of the sleeve 10 when the guide sleeve 11 is pressed downwards, damping can be realized through the damping pad 13, and meanwhile, the sleeve 10 and the spring 14 in the guide sleeve 11 can play a role in buffering;

in the embodiment, preferably, the two ends of the sliding table 2, which are close to the rubber seat 9, are fixedly connected with sleeves 15, and the bottoms of the two ends of the cushion block 12 are movably connected with the sleeves 15 through guide rods 16;

through the scheme, through the arrangement of the sleeve 15 and the guide rod 16, when the cushion block 12 descends, both ends of the cushion block 12 drive the guide rod 16 to synchronously descend along the inside of the sleeve 15, so that the cushion block 12 can be kept at a horizontal angle;

in this embodiment, preferably, both sides of both ends of the base 1 are provided with sliding grooves 17, four corners of the bottom end of the sliding table 2 are fixedly provided with guide wheels 18, and the guide wheels 18 are movably connected with the sliding grooves 17;

through the scheme, through the arrangement of the guide wheels 18, when the distance between the clamping plates 3 is adjusted, the sliding table 2 moves synchronously, and the guide wheels 18 at four corners of the bottom end of the sliding table 2 slide synchronously along the sliding groove 17 when the sliding table 2 moves, so that the sliding table is convenient to guide;

in this embodiment, preferably, a reinforcing plate 19 is fixedly installed between the sliding table 2 and the outer side of the clamping plate 3, and the bottom end of the outer side of the reinforcing plate 19 is fixedly connected with a mounting seat 20;

by the above scheme, by arranging the reinforcing plate 19, the purpose of the reinforcing plate 19 is to support the sliding table 2 and the clamping plate 3, so that the structural stability of the sliding table 2 and the clamping plate 3 can be improved;

in this embodiment, preferably, shaft brackets 21 are fixedly installed at the top ends of the middle parts of two sides of the base 1, screw rods 22 are in threaded connection with the inside of the shaft brackets 21, one end of each screw rod 22 is movably connected with the installation seat 20 through a bearing, and a crank 23 is fixedly installed at one end of each screw rod 22 far away from the installation seat 20;

through above-mentioned scheme, through setting up crank 23, when needs carry out the adaptation adjustment according to the length of bridge test sample, handheld crank 23 shakes, and crank 23 shakes the back and drives lead screw 22 rotation, and lead screw 22 is rotatory after pushing or pullback reinforcing plate 19 through mount pad 20 straight line, can drive splint 3 synchronous movement like this and carry out the interval adjustment to the bridge test sample of adaptation different length.

When the auxiliary device for bridge load test detection of the embodiment is used, a bridge test sample to be detected is placed at the top ends of two cushion blocks 12, after the sample is placed, the guide sleeve 11 is driven to be pressed downwards due to the action of gravity, the damping pad 13 on the outer wall of the guide sleeve 11 can synchronously slide downwards along the inner wall of the sleeve shell 10 when the guide sleeve 11 is pressed downwards, damping can be realized through the damping pad 13, meanwhile, the sleeve shell 10 and the spring 14 in the guide sleeve 11 can play a role in buffering, after the cushion block 12 stops descending, the electric cylinder 6 is started, the output shaft of the electric cylinder 6 drives the pressing plate 7 to be overturned downwards to the tops of the two ends of the bridge test sample through the first shaft seat 8 after the electric cylinder 6 is started, when the electric cylinder 6 pushes the pressing plate 7, the top end of the electric cylinder is rotationally guided along the second shaft seat 4 through the shaft head 5, so that the two ends of the bridge test sample can be clamped stably through the pressing plate 7, when the bridge test sample is detected, the bridge test sample cannot be displaced when being subjected to pressure in the vertical direction, the detection accuracy can be improved, when the bridge test sample needs to be adjusted according to the length of the bridge test sample, the hand-held crank 23 is rocked, the crank 23 is rocked and then drives the screw rod 22 to rotate, and the screw rod 22 is rotationally and then linearly pushed or pulled back through the mounting seat 20 to strengthen the plate 19, so that the clamping plate 3 can be driven to synchronously move to adjust the distance so as to adapt bridge test samples with different lengths.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Auxiliary device that bridge load test detected, its characterized in that: auxiliary device of bridge load test detection includes

The device comprises a base (1), wherein sliding tables (2) are movably arranged on two sides of the top end of the base (1), and clamping plates (3) are fixedly arranged on the top ends of the middle parts of the two sliding tables (2);

the second shaft seat (4), the second shaft seat (4) is fixedly connected to the outer parts of two sides of the top ends of the two clamping plates (3), a shaft head (5) is movably installed in the second shaft seat (4) through a rotating shaft, and an electric cylinder (6) is fixedly installed at the bottom end of the shaft head (5);

the pressing plate (7), the bottom of pressing plate (7) is through pivot movable mounting in the middle part both sides of splint (3), the top fixed mounting of pressing plate (7) has first axle bed (8), the inside of first axle bed (8) is through pivot swing joint in the output axle head of electronic jar (6).

2. The auxiliary device for bridge load test detection according to claim 1, wherein: the sliding table (2) is close to the outside top fixedly connected with rubber seat (9) of splint (3), the top fixedly connected with cover shell (10) of rubber seat (9), the top movable mounting of cover shell (10) has guide pin bushing (11), the top fixedly connected with cushion (12) of guide pin bushing (11), the outer wall department fixedly connected with damping pad (13) of guide pin bushing (11), fixedly mounted has spring (14) between the inside of guide pin bushing (11) and cover shell (10).

3. The auxiliary device for bridge load test detection according to claim 2, wherein: the two ends of the sliding table (2) close to the rubber seat (9) are fixedly connected with sleeves (15), and bottoms of two ends of the cushion block (12) are movably connected with the sleeves (15) through guide rods (16).

4. The auxiliary device for bridge load test detection according to claim 1, wherein: the sliding table is characterized in that sliding grooves (17) are formed in two sides of two ends of the base (1), guide wheels (18) are fixedly mounted at four corners of the bottom end of the sliding table (2), and the guide wheels (18) are movably connected with the sliding grooves (17).

5. The auxiliary device for bridge load test detection according to claim 1, wherein: reinforcing plates (19) are fixedly arranged between the sliding table (2) and the outer sides of the clamping plates (3), and mounting seats (20) are fixedly connected to the bottom ends of the outer sides of the reinforcing plates (19).

6. The auxiliary device for bridge load test detection according to claim 5, wherein: the novel lifting device is characterized in that shaft brackets (21) are fixedly installed at the top ends of the middle parts of two sides of the base (1), screw rods (22) are connected with the inner parts of the shaft brackets (21) in a threaded mode, one ends of the screw rods (22) are movably connected with mounting seats (20) through bearings, and a crank (23) is fixedly installed at one end, far away from the mounting seats (20), of each screw rod (22).