CN210221715U

CN210221715U - Concrete sleeper static load testing machine

Info

Publication number: CN210221715U
Application number: CN201921125954.XU
Authority: CN
Inventors: Dayin Li; 李大印; Wenhan Li; 李文涵
Original assignee: SHANDONG YUXI INSTRUMENT Co Ltd
Current assignee: SHANDONG YUXI INSTRUMENT Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-03-31
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a concrete sleeper static load testing machine, including support frame, conveying trolley and climbing mechanism, sliding connection between conveying trolley and the support frame, climbing mechanism are located the support frame below, and climbing mechanism upper end and sleeper cooperation, climbing mechanism is equipped with the installation frame all around, and the installation frame upper end is equipped with the clamp plate, and the sleeper upper end cooperates with the clamp plate, climbing mechanism upper end is equipped with the bearing groove, be equipped with the rubble groove in the bearing groove, rubble groove upper end is equipped with the swash plate, and the swash plate upper end inclines to the outside, is equipped with the gyro wheel on the swash plate, and the gyro wheel axis is horizontal, be equipped with first opening in the middle of the terminal surface under the; in the process of the test, climbing mechanism drive bearing groove and rubble groove rebound, break away from the transport dolly completely until the sleeper, the sleeper is located the rubble inslot this moment, and in the loading process, the rubble that the crackle produced appears in the sleeper can exist the rubble groove, when experimental completion back, can take off the rubble groove, conveniently clear up the rubble, can not exert an influence to next sleeper test.

Description

Concrete sleeper static load testing machine

Technical Field

The utility model belongs to the technical field of the testing machine technique and specifically relates to a concrete sleeper static load testing machine.

Background

Concrete sleepers are sleepers made of concrete and steel bars or wires. The cement sleeper is commonly used for laying rail transit equipment in railways, mines, power plants and the like. The bearing performance of the vehicle is directly related to the normal operation and safety of the vehicle. Therefore, a strict static load test of the concrete sleeper is required.

However, the existing concrete sleeper static load test process has the following problems that 1, in the static load test process, the concrete sleeper is crushed by pressure to generate broken stones, the broken stones are scattered on the testing machine, the cleaning is inconvenient, and meanwhile, if the broken stones exist on a bearing plane, the next sleeper static load test is influenced, so that the test result is inaccurate; 2. the lifting of the sleeper is inconvenient, the labor intensity of manual carrying is high, and the safety is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned problem, provide a concrete sleeper static load testing machine, can guarantee that the testing machine is clean and tidy, conveniently promote the sleeper simultaneously, the security performance is good.

The utility model provides a technical scheme that its technical problem adopted is:

a static load testing machine for a concrete sleeper comprises a support frame, a conveying trolley and a jacking mechanism, wherein the conveying trolley is in sliding connection with the support frame, the jacking mechanism is located below the support frame, the upper end of the jacking mechanism is matched with the sleeper, an installation frame is arranged on the periphery of the jacking mechanism, a pressing plate is arranged at the upper end of the installation frame, the upper end of the sleeper is matched with the pressing plate, a bearing groove is formed in the upper end of the jacking mechanism, a gravel groove is formed in the bearing groove, an inclined plate is arranged at the upper end of the gravel groove, the upper end of the inclined plate inclines towards the outer side, rollers are arranged on the inclined plate, the axis;

the lifting mechanism comprises a movable frame, a track and a lifting cross beam, the lower end of the movable frame is in rolling connection with the track, a guide mechanism is arranged between the two ends of the lifting cross beam and the movable frame, the middle position of the lifting cross beam is connected with the upper end of the movable frame through a hoisting hoist, and a binding band is arranged on the lifting cross beam.

Furthermore, connecting plates are arranged at two ends of the bearing groove and are mounted at the upper end of the jacking mechanism through screws.

Furthermore, the inclined plate is provided with a second opening, the second opening is provided with a plurality of openings in the front-back direction, and two ends of the roller are rotatably connected with the side wall of the second opening.

Furthermore, end stops are arranged at two ends of the track.

Furthermore, a supporting cross beam is arranged at the upper end of the movable frame, guide sleeves are arranged at two ends of the lifting cross beam, guide pillars are arranged on the supporting cross beam corresponding to the guide sleeves, the guide pillars are matched with the guide sleeves, a limiting plate is arranged at the lower ends of the guide pillars, the upper end of the hoisting hoist is connected with the supporting cross beam, and the lower end of the hoisting hoist is connected with the lifting cross beam.

Further, be equipped with the cavity in the delivery wagon lateral wall, all be equipped with the ventilation hole on the both ends inner wall around the delivery wagon, ventilation hole outside one end and cavity intercommunication, ventilation hole inboard one end and the inside intercommunication of delivery wagon, the right-hand fan that is equipped with of support frame, the fan passes through tuber pipe and cavity intercommunication.

Further, the vent holes are inclined downward.

Furthermore, the side surface of the support frame is provided with a pointer, and the pointer corresponds to the center of the pressing plate.

The utility model has the advantages that:

1. the utility model discloses be equipped with the bearing groove in the climbing mechanism upper end, be equipped with the rubble groove in the bearing groove, be equipped with first opening in the middle of the terminal surface under the transport trolley, in the experimentation, climbing mechanism drive bearing groove and rubble groove rebound, break away from the transport trolley completely until the sleeper, the sleeper is located the rubble inslot this moment, climbing mechanism drive sleeper rises fast, be close at a slow speed again, according to given loading speed, permanent loading, keep carrying 180 seconds, a series of testing processes such as assigned position are returned to the off-load, in the loading process, the rubble that the crackle produced appears in the sleeper can exist in the rubble groove, after experimental completion, the rubble groove falls down, the sleeper supports in the transport trolley this moment, can take off the rubble groove, conveniently clear up the rubble, can not exert an influence to next sleeper test, the test precision is high.

2. The utility model discloses be equipped with the swash plate in rubble groove upper end, the outside slope in swash plate upper end is equipped with the gyro wheel on the swash plate, and the gyro wheel axis level, swash plate and gyro wheel can prevent to collide with the sleeper on the rubble groove, guarantee that the sleeper can not receive external force collision and breakage before receiving the load.

3. The utility model discloses be equipped with hoist mechanism at the support frame front end, hoist mechanism includes adjustable shelf, track and lifting beam, adjustable shelf lower extreme and track roll connection, be equipped with guiding mechanism between lifting beam both ends and the adjustable shelf, lifting beam intermediate position is connected through hoist and mount calabash with the adjustable shelf upper end, the last bandage that is equipped with of lifting beam ties the sleeper before experimental, it rises through hoist and mount pulling lifting beam, later along the track removal adjustable shelf left, make the sleeper be located the support frame top, the sleeper falls into the conveying trolley, later promote conveying trolley to climbing mechanism department, test, make things convenient for the sleeper hoist and mount through hoist mechanism, reduce intensity of labour, the security performance is high.

4. The utility model discloses well adjustable shelf upper end is equipped with supporting beam, and the lifting beam both ends are equipped with the guide pin bushing, and the position that corresponds with the guide pin bushing on the supporting beam is equipped with the guide pillar, and guide pillar and guide pin bushing cooperation can prevent that lifting beam from keeping steady at the in-process that rises, can not rock, can guarantee lifting beam both ends synchronous lift simultaneously, and the sleeper can not drop safe and reliable.

5. The utility model discloses be equipped with the cavity in the well travelling bogie lateral wall, all be equipped with the ventilation hole on the inner wall of both ends around the travelling bogie, ventilation hole outside one end and cavity intercommunication, the inboard one end in ventilation hole and the inside intercommunication of travelling bogie, the right-hand fan that is equipped with of support frame, fan pass through tuber pipe and cavity intercommunication, and the fan blows out through the tuber pipe to the blast air in the cavity, later blows out through the ventilation hole, can blow off the rubble that drops in the travelling bogie, guarantees the cleanness of travelling bogie, prevents that the rubble from producing the influence to the test of next sleeper.

6. The utility model discloses well ventilation hole downward sloping can guarantee that the wind that the ventilation hole blew off blows to the floor surface of conveying trolley, increases the utilization ratio of wind, makes the rubble can all blow off.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

fig. 3 is a left side view of the present invention;

FIG. 4 is a schematic view of the structure of the load-bearing trough and the stone-breaking trough of the present invention;

fig. 5 is a cross-sectional view of the conveying trolley of the utility model.

In the figure: the device comprises a support frame 1, a conveying trolley 2, a jacking mechanism 3, a sleeper 4, an installation frame 5, a pressing plate 6, a bearing groove 7, a gravel groove 8, a connecting plate 9, an inclined plate 10, a roller 11, a first opening 12, a second opening 13, a movable frame 14, a track 15, a lifting cross beam 16, a hoisting hoist 17, a binding band 18, an end stop 19, a supporting cross beam 20, a guide sleeve 21, a guide pillar 22, a limiting plate 23, a cavity 24, a ventilation hole 25, a fan 26, an air pipe 27 and a pointer 28.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

For convenience of description, a coordinate system is now defined as shown in fig. 1.

As shown in fig. 1, 3 and 4, a concrete sleeper static load testing machine comprises a support frame 1, a conveying trolley 2 and a jacking mechanism 3, wherein the conveying trolley 2 is connected with the support frame 1 in a sliding manner, the jacking mechanism 3 is positioned below the support frame 1, the upper end of the jacking mechanism 3 is matched with a sleeper 4, the sleeper 4 is positioned in the conveying trolley 2, an installation frame 5 is arranged around the jacking mechanism 3, a pressing plate 6 is arranged at the upper end of the installation frame 5, the upper end of the sleeper 4 is matched with the pressing plate 6, a pressure sensor and other sensing mechanisms are further arranged on the pressing plate 6, the pressure sensor transmits the sensed pressure value to a controller and displays the pressure value on a display screen on the controller, the jacking mechanism 3 is driven by a hydraulic system and controls the lifting by the controller, which is the prior art and not described herein, a bearing groove 7 is arranged at the upper end of the jacking mechanism 3, a gravel groove 8 is arranged in the bearing groove 7, the outer surface of the gravel groove 8 is matched with the inner wall of the bearing groove 7, an inclined plate 10 is arranged at the upper end of the gravel groove 8, the upper end of the inclined plate 10 inclines outwards, a roller 11 is arranged on the inclined plate 10, the axis of the roller 11 is horizontal, a first opening 12 is arranged in the middle of the lower end face of the conveying trolley 2, two ends of the first opening 12 are support plates, two ends of the sleeper 4 are supported on the support plates, in the test process, the jacking mechanism 3 drives the bearing groove 7 and the gravel groove 8 to move upwards until the sleeper 4 is completely separated from the conveying trolley, at the moment, the sleeper 4 is positioned in the gravel groove 8, the jacking mechanism 3 drives the sleeper to quickly rise and slowly approach, a series of test processes such as a given loading speed, constant loading, load protection 180 seconds and unloading return to a specified position are carried out, in the loading process, gravel generated by cracks on the sleeper 4 can exist in the gravel groove 8, and after the test is finished, the gravel, at this moment, the sleeper 4 is supported in the conveying trolley 2, the gravel groove 8 can be taken down, the gravel is conveniently cleaned, the next sleeper 4 cannot be affected during the test, and the test precision is increased.

As shown in fig. 4, the two ends of the bearing groove 7 are provided with the connecting plates 9, and the connecting plates 9 are mounted at the upper end of the jacking mechanism 3 through screws, so that the bearing groove 7 is convenient to replace.

As shown in fig. 4, the inclined plate 10 is provided with a plurality of second openings 13, the second openings 13 are uniformly arranged along the front-back direction, two ends of the rollers 11 are rotatably connected with the side walls of the second openings 13, and a plurality of rollers 11 are arranged in each second opening 13. The sloping plate 10 and the roller 11 can prevent the upper end of the gravel groove 8 from colliding with the sleeper 4, and ensure that the sleeper 4 cannot be crushed due to external force collision before being loaded.

As shown in fig. 1 and 2, a lifting mechanism is arranged at the front end of the support frame 1, the lifting mechanism comprises a movable frame 14, a rail 15 and a lifting beam 16, the lower end of the movable frame 14 is in rolling connection with the rail 15, the lower end of the movable frame 14 is provided with a roller wheel which is matched with the rail 15, a guide mechanism is arranged between two ends of the lifting beam 16 and the movable frame 14, the middle position of the lifting beam 16 is connected with the upper end of the movable frame 14 through a hoisting hoist 17, the lifting beam 16 is provided with two binding bands 18, the two binding bands 18 are symmetrically arranged in front and back, before the test, the lifting beam 16 is firstly put down, the sleeper 4 is bound with the binding bands, the lifting beam 16 is pulled to rise through the hoisting hoist 17, then the movable frame 14 is moved leftwards along the rail 15, so that the sleeper 4 is positioned above the support frame 1, the hoisting hoist 17 drives the lifting beam 16 to fall down, the test is carried out, the lifting mechanism is convenient for hoisting the sleeper, the labor intensity is reduced, and the safety performance is high.

As shown in fig. 1 and 2, the rail 15 is provided with end stops 19 at both ends, and the end stops 19 define the limit positions of the movable frame 14 and prevent the movable frame 14 from rolling off the rail 15.

As shown in fig. 1 and 2, the upper end of the movable frame 14 is provided with a supporting beam 20, two ends of the lifting beam 16 are provided with guide sleeves 21, a guide pillar 22 is arranged at a position on the supporting beam 20 corresponding to the guide sleeves 21, the guide pillar 22 is matched with the guide sleeves 21, the lifting beam 16 can be prevented from being kept stable and not swaying in the lifting process by matching the guide pillar 22 with the guide sleeves 21, the two ends of the lifting beam 16 can be ensured to be lifted synchronously, a sleeper can not drop, safety and reliability are achieved, the lower end of the guide pillar 22 is provided with a limiting plate 23, the limiting plate 23 can prevent the lifting beam 16 from dropping, the upper end of the hoisting hoist 17 is connected with the middle position of the supporting beam 20.

As shown in fig. 1 and 5, a cavity 24 is formed in the side wall of the conveying trolley 2, ventilation holes 25 are formed in the inner walls of the front end and the rear end of the conveying trolley 2, one end of the outer side of each ventilation hole 25 is communicated with the cavity 24, one end of the inner side of each ventilation hole 25 is communicated with the inside of the conveying trolley 2, the inside of the conveying trolley 2 refers to the position where the conveying trolley supports the sleeper 4, a fan 26 is arranged on the right side of the support frame 1, the fan 26 is communicated with the cavity 24 through an air pipe 27, when the conveying trolley is used, the fan 26 blows air into the cavity 24 through the air pipe 27, and then blows out the air through the ventilation holes 25, so that broken stones left in the conveying trolley 2 can be blown down, the.

As shown in fig. 5, the vent holes 25 are inclined downwards, so that the air blown out from the vent holes 25 can be blown to the bottom surface of the conveying trolley 2, the utilization rate of the air is increased, and the broken stones can be blown off completely.

As shown in figure 2, the side surface of the support frame 1 is provided with a pointer 28, and the pointer 28 corresponds to the center of the pressing plate 6, so that the conveying trolley is conveniently positioned.

In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A concrete sleeper static load testing machine comprises a support frame (1), a conveying trolley (2) and a jacking mechanism (3), wherein the conveying trolley (2) is in sliding connection with the support frame (1), the jacking mechanism (3) is positioned below the support frame (1), the upper end of the jacking mechanism (3) is matched with a sleeper (4), an installation frame (5) is arranged around the jacking mechanism (3), a pressing plate (6) is arranged at the upper end of the installation frame (5), the upper end of the sleeper (4) is matched with the pressing plate (6), it is characterized in that the upper end of the jacking mechanism (3) is provided with a bearing groove (7), a gravel groove (8) is arranged in the bearing groove (7), an inclined plate (10) is arranged at the upper end of the gravel groove (8), the upper end of the inclined plate (10) inclines outwards, a roller (11) is arranged on the inclined plate (10), the axis of the roller (11) is horizontal, a first opening (12) is formed in the middle of the lower end face of the conveying trolley (2);

the lifting mechanism is arranged at the front end of the support frame (1), the lifting mechanism comprises a movable frame (14), a track (15) and a lifting beam (16), the lower end of the movable frame (14) is in rolling connection with the track (15), a guide mechanism is arranged between the two ends of the lifting beam (16) and the movable frame (14), the middle position of the lifting beam (16) is connected with the upper end of the movable frame (14) through a hoisting gourd (17), and a binding band (18) is arranged on the lifting beam (16).

2. The concrete sleeper static load testing machine according to claim 1, characterized in that, the two ends of the bearing groove (7) are provided with connecting plates (9), and the connecting plates (9) are arranged at the upper end of the jacking mechanism (3) through screws.

3. The concrete sleeper static load testing machine according to claim 1, wherein a plurality of second openings (13) are formed in the inclined plate (10) in the front-rear direction, and both ends of the roller (11) are rotatably connected with the side walls of the second openings (13).

4. A concrete sleeper static load testing machine as claimed in claim 1, characterized in that said rails (15) are provided with end stops (19) at both ends.

5. The concrete sleeper static load testing machine according to claim 1, characterized in that a supporting beam (20) is arranged at the upper end of the movable frame (14), guide sleeves (21) are arranged at two ends of the lifting beam (16), guide pillars (22) are arranged on the supporting beam (20) at positions corresponding to the guide sleeves (21), the guide pillars (22) are matched with the guide sleeves (21), a limiting plate (23) is arranged at the lower end of each guide pillar (22), the upper end of the hoisting block (17) is connected with the supporting beam (20), and the lower end of the hoisting block (17) is connected with the lifting beam (16).

6. The concrete sleeper static load testing machine according to claim 1, wherein a cavity (24) is formed in the side wall of the conveying trolley (2), ventilation holes (25) are formed in the inner walls of the front end and the rear end of the conveying trolley (2), one end of the outer side of each ventilation hole (25) is communicated with the cavity (24), one end of the inner side of each ventilation hole (25) is communicated with the inside of the conveying trolley (2), a fan (26) is arranged on the right side of the support frame (1), and the fan (26) is communicated with the cavity (24) through an air pipe (27).

7. A concrete sleeper static load testing machine as claimed in claim 6, characterized in that said ventilation holes (25) are inclined downwards.

8. A concrete sleeper static load testing machine according to claim 1, characterized in that, the side of the supporting frame (1) is provided with a pointer (28), and the pointer (28) corresponds to the center of the pressing plate (6).