CN210923322U

CN210923322U - Electro-hydraulic pressure testing machine

Info

Publication number: CN210923322U
Application number: CN201921591251.6U
Authority: CN
Inventors: 刘宗裕; 苏长川; 陈勇; 王智
Original assignee: Mianyang Chuanjiao Construction Engineering Supervision Consulting Co ltd
Current assignee: Mianyang Chuanjiao Construction Engineering Supervision Consulting Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-07-03
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to an electric liquid formula compression testing machine belongs to concrete strength testing field. Including the upper beam, threaded connection has the regulation lead screw on the upper beam, be provided with the holding tank on the upper beam, be provided with the separator in the holding tank, the separator separates the holding tank for the power space and the oil storage space of mutual intercommunication, oil storage space and regulation lead screw intercommunication, all be provided with lubricating oil in oil storage space and the power space, be provided with in the power space and be used for extrudeing lubricating oil so that lubricating oil flows out from the splenium of pressing in the oil storage space. By using the electro-hydraulic pressure testing machine, the adjusting screw rod can be lubricated, and the adjusting screw rod can be conveniently and manually rotated.

Description

Electro-hydraulic pressure testing machine

Technical Field

The utility model relates to a concrete strength test technical field especially relates to an electricity liquid formula compression testing machine.

Background

In the existing engineering construction process of bridges and the like, a large amount of pressure tests need to be carried out on concrete test blocks, mortar or cement test blocks and the like. The pressure test is usually carried out by a pressure tester.

In the prior art, a chinese patent with an authorization publication number of CN203502305U discloses an electro-hydraulic pressure tester. Comprises an upper beam, a lower beam, an operation box, an oil cylinder, a piston and a guide post; the guide post is connected with the upper beam and the lower beam, the upper beam is provided with a hand wheel and an adjusting screw rod, the lower end of the adjusting screw rod is provided with a ball seat, and the lower end of the ball seat is provided with an upper pressing plate; the operation box is internally provided with a motor, an oil tank, an oil filter, an oil pump, an oil delivery valve, an oil return valve and a sensor, wherein one path of the motor is connected with the oil tank through the oil filter, the other path of the motor is connected with the oil delivery valve and the oil return valve through the oil pump by using an oil outlet pipe, and the sensor is connected with the oil return valve; the oil feeding valve and the oil return valve are both connected with the oil cylinder; the oil cylinder is arranged on the lower beam and connected with the piston, a sealing device is arranged at the joint of the oil cylinder and the piston, and an annular oil groove is formed in the top end of the oil cylinder; the piston is provided with a lower pressing plate, the lower pressing plate is provided with a positioning reticle, and the bottom surface of the lower pressing plate is provided with a dustproof cover shell. The utility model discloses a sealed effectual, it is high to show the precision, and test data reads advantages such as convenient.

Before the pressure testing machine is used, the distance between the upper pressing plate and the lower pressing plate is adjusted so that a test piece can be placed between the upper pressing plate and the lower pressing plate, the lifting of the upper pressing plate is adjusted by manually rotating the adjusting screw rod, and then the distance between the upper pressing plate and the lower pressing plate is adjusted; but when the pressure testing machine did not use for a long time, adjust the lead screw and can take place the corrosion, because adjust the lead screw corrosion, lead to the manual work to be difficult to rotate the hand wheel and make and adjust the lead screw rotation to make the manual work be difficult to adjust the distance between top board and the lower pressure board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric liquid formula compression testing machine has the lubricated lead screw of adjusting for the artifical advantage of being convenient for rotate the regulation lead screw.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides an electricity liquid formula compression testing machine, includes the upper beam, and threaded connection has the regulation lead screw on the upper beam, be provided with the holding tank on the upper beam, be provided with the separator in the holding tank, the separator separates the holding tank for the power space and the oil storage space of mutual intercommunication, oil storage space and regulation lead screw intercommunication, all be provided with lubricating oil in oil storage space and the power space, be provided with in the power space and be used for extruding lubricating oil so that lubricating oil flows from the splenium of pressing of oil storage space.

Implement above-mentioned technical scheme, when using compression testing machine, press the splenium downwards, press the lubricating oil in the splenium extrusion power space for the liquid level of the lubricating oil in the power space descends, and the liquid level of the lubricating oil in the oil storage space rises, and when the liquid level of the lubricating oil in the oil storage space rises to the intercommunication department of oil storage space and regulation lead screw, lubricating oil from this intercommunication department slides in on the regulation lead screw, lubricates the regulation lead screw, thereby is convenient for artifical the rotation regulation lead screw.

Furthermore, press the splenium including pressing down pressure lever and shutoff board, the shutoff board is perpendicular and with the separator for upper and lower two parts, press the pressure lever and be T shape, press the vertical end of pressure lever and be connected with the shutoff board is perpendicular, press the horizontal end of pressure lever and be located outside the power space.

Implement above-mentioned technical scheme, press the horizontal end according to the depression bar, the horizontal end according to the depression bar drives the vertical end according to the depression bar and moves down, and the vertical end according to the depression bar drives shutoff board and moves down, and the shutoff board gives the pressure that is located the lubricating oil in the power space for the lubricating oil that is located the power space gets into in the oil storage space through the intercommunication department in power space and oil storage space, and then makes the liquid level of the lubricating oil in the oil storage space rise.

Further, be provided with the spring that drives the shutoff board all the time and remove towards keeping away from the interior diapire of holding tank between the interior diapire of shutoff board and holding tank, the spring is located the power space.

Implement above-mentioned technical scheme, press down the press rod and make lubricating oil slide in adjust the lead screw on the back, no longer press the press rod, then the spring resumes elasticity, and the butt shutoff board removes towards the direction of keeping away from the holding tank diapire to make the liquid level that is located the lubricating oil in the oil storage space descend, the liquid level that is located the lubricating oil in the power space rises, then lubricating oil no longer follows the intercommunication department roll-off of oil storage space and regulation lead screw. Through the arrangement of the spring, the plugging plate can be reset, and lubricating oil is prevented from being added to the adjusting screw rod all the time; on the other hand, the plugging plate does not need to be pulled towards the direction far away from the bottom wall of the plugging plate manually, so that the manual strength is reduced.

Further, be provided with the guide block on the lateral wall of shutoff board, be provided with on the inside wall of holding tank or the separator with guide block sliding connection's guide way, the guide way sets up along holding tank or separator direction of height.

Implement above-mentioned technical scheme, through the setting that the guide block slided in the guide way, can lead the shutoff board, avoid the spring crooked at flexible in-process, and hinder the removal of shutoff board.

Further, a transparent cover is rotatably arranged above the oil storage space and used for plugging an opening of the oil storage space.

Implement above-mentioned technical scheme, through the setting of transparent lid to the staff observes the liquid level of the lubricating oil in the oil storage space, so that in time supply lubricating oil.

Further, be provided with the floating piece in the oil storage space, be provided with the sign line on the inside wall of holding tank, the sign line is located the holding tank lateral wall and is close to the position of diapire.

By implementing the technical scheme, when the floating piece descends to the position aligned with the mark line, the working personnel is reminded that less lubricating oil is needed to be supplied in time; when the floating piece rises to the communication position between the oil storage space and the adjusting screw rod, the oil storage device is used for reminding a worker that lubricating oil slides into the adjusting screw rod through the communication position, namely, the lubricating oil is injected into the adjusting screw rod.

Further, circumference is provided with the connecting cylinder on the bottom of adjusting the lead screw, the ring channel has been seted up on the connecting cylinder, it has two food trays that connect that are used for accepting lubricating oil to peg graft in the ring channel, two connect the food tray to be the symmetry setting, two when connecing the food tray to peg graft in the ring channel, two connect the mutual butt of food tray.

By implementing the technical scheme, lubricating oil sliding down from the adjusting screw rod slides into the oil receiving disc, and the oil receiving disc collects the lubricating oil, so that the lubricating oil is prevented from sliding down from the adjusting screw rod onto the lower pressure plate to influence the test of the test piece; when the lubricating oil in the oil receiving disc is cleaned, the two oil receiving discs are directly taken out from the annular groove, so that the oil receiving disc can be cleaned conveniently and quickly.

Furthermore, the bottom of adjusting the lead screw is provided with the spliced pole, spliced pole and adjusting lead screw coaxial coupling, the diameter of spliced pole is less than the diameter of adjusting the lead screw, connecting cylinder circumference sets up on the spliced pole, two when connecing the food tray to peg graft in the ring channel, connect the open end of food tray and adjust the lower terminal surface of lead screw relatively.

Implement above-mentioned technical scheme, from the lubricating oil drippage that drops on the regulation lead screw to connect the food tray in, the diameter through the spliced pole is less than the diameter of adjusting the lead screw and connects the open end of food tray and the lower terminal surface relative setting of adjusting the lead screw, can make from the lubricating oil drippage that drops on the regulation lead screw most of in dropping to connecting the food tray, further avoid lubricating oil drippage to the holding down plate on.

To sum up, the utility model discloses following beneficial effect has:

the pressing piece is pressed downwards, so that the liquid level of lubricating oil in the power space is lowered, the liquid level of the lubricating oil in the oil storage space is raised, when the liquid level of the lubricating oil in the oil storage space is raised to a communication position between the oil storage space and the adjusting screw rod, the lubricating oil slides onto the adjusting screw rod, and the adjusting screw rod is lubricated, so that the adjusting screw rod can be rotated manually;

through the arrangement of the annular groove and the oil receiving discs, the two oil receiving discs can be directly taken out of the annular groove to clean lubricating oil, and convenience and rapidness are realized; and the cross section of the oil receiving disc is aligned with the lower end face of the adjusting screw rod, so that lubricating oil which slides from the adjusting screw rod can drip into the oil receiving disc, and the lubricating oil is prevented from dripping onto the lower pressing plate to influence the test of the test piece.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

fig. 2 is a cross-sectional view of the upper platen of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an exploded view of the oil pan and the annular groove of the present invention.

Reference numerals: 1. an upper beam; 11. adjusting the lead screw; 2. accommodating grooves; 21. a power space; 22. an oil storage space; 221. a transparent cover; 222. a float member; 223. a sign line; 3. a spacer; 4. a pressing part; 41. a plugging plate; 42. a pressing lever; 411. a guide block; 412. a spring; 5. a guide groove; 6. connecting columns; 61. a ball seat; 611. an upper pressure plate; 62. a connecting cylinder; 621. an annular groove; 7. an oil receiving pan.

Detailed Description

The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the electrohydraulic compression testing machine comprises an upper beam 1, wherein an adjusting screw rod 11 is connected to the upper beam 1 in a threaded manner, and the adjusting screw rod 11 is perpendicular to the upper beam 1.

Be provided with open-top's holding tank 2 on the entablature 1, be provided with isolator 3 in the holding tank 2, isolator 3 is the division board, and the lateral wall of division board is connected with the inside wall that holding tank 2 is relative perpendicularly, and is provided with the clearance between the diapire of division board and holding tank 2. The holding tank 2 is divided into a power space 21 and an oil storage space 22 by the partition plate, and the power space 21 and the oil storage space 22 are communicated with a gap between the bottom walls of the holding tank 2 through the partition plate. Lubricating oil is arranged in both the power space 21 and the oil storage space 22.

The oil storage space 22 is communicated with the adjusting screw rod 11, the open end of the oil storage space 22 is hinged with a transparent cover 221, and the transparent cover 221 is used for observing the liquid level of the lubricating oil in the oil storage space 22 on one hand and plugging the lubricating oil in the oil storage space 22 on the other hand, so that the lubricating oil in the oil storage space 22 is prevented from sliding out from the open end of the oil storage space 22. The floating member 222 is disposed in the oil storage space 22, the floating member 222 is a floating member 222 having a density smaller than that of the lubricating oil, and the position of the floating member 222 corresponds to the level of the lubricating oil. The inner side wall of the accommodating groove 2 is horizontally provided with a mark line 223, and when the floating piece 222 is flush with the mark line 223, the mark line 223 is used for reminding a worker that the lubricating oil storage amount in the oil storage space 22 is small.

As shown in fig. 2 and 3, the pressing portion 4 is provided in the power space 21, and the pressing portion 4 presses the lubricant oil in the power space 21 to lower the liquid level of the lubricant oil in the power space 21 and raise the liquid level of the lubricant oil in the oil storage space 22. The pressing portion 4 includes a blocking plate 41 and a pressing lever 42. The blocking plate 41 is parallel to the inner bottom wall of the accommodating groove 2, and the blocking plate 41 partitions the power space 21 into upper and lower portions. Be provided with guide block 411 on the lateral wall of shutoff board 41, guide block 411 sets up two, and two guide blocks 411 set up respectively in the both ends of shutoff board 41 symmetry, be provided with on the inside wall of holding tank 2 or the separator 3 with guide block 411 sliding connection's guide way 5, the direction of height setting of the inside wall of holding tank 2 or the inside wall of separator 3 is followed to guide way 5. A spring 412 is arranged between the blocking plate 41 and the bottom wall of the accommodating groove 2, and two ends of the spring 412 in the length direction are respectively and vertically connected with the blocking plate 41 and the bottom wall of the accommodating groove 2. When the spring 412 moves away from the bottom wall of the accommodating groove 2, the spring 412 returns to the natural state; when the spring 412 moves toward the direction approaching the receiving groove 2, the spring 412 is compressed. The pressing rod 42 is T-shaped, the vertical end of the pressing rod 42 is vertically connected with the upper surface of the plugging plate 41, the horizontal end of the pressing rod 42 is positioned outside the power space 21 and used for being pressed by a worker, and the horizontal end of the pressing rod 42 is a handle.

As shown in fig. 2 and 4, a connecting column 6 is arranged at the bottom of the adjusting screw 11, the connecting column 6 and the adjusting screw 11 are integrally formed, and the diameter of the cross section of the connecting column 6 is smaller than that of the cross section of the adjusting screw 11. One end of the connecting column 6, which is far away from the adjusting screw 11, is rotatably connected with a ball seat 61, and the ball seat 61 is connected with an upper pressure plate 611. The connecting cylinder 62 is circumferentially arranged at one end of the connecting column 6, which is located outside the ball seat 61, an annular groove 621 with an open top is formed in the connecting cylinder 62, and the annular groove 621 is circumferentially arranged along the connecting cylinder 62. Two symmetrical oil receiving discs 7 are inserted into the annular groove 621, and the two oil receiving discs 7 are abutted to each other when positioned in the annular groove 621. The open ends of the two oil receiving discs 7 are opposite to the bottom of the adjusting screw rod 11 and are used for receiving lubricating oil sliding from the adjusting screw rod 11.

The working principle is as follows: the horizontal end of the pressing rod 42 is pressed, the horizontal end of the pressing rod 42 drives the vertical end of the pressing rod 42 to move downwards, the vertical end of the pressing rod 42 drives the blocking plate 41 to move downwards, at the moment, the spring 412 is in a compression state, the blocking plate 41 gives pressure to lubricating oil located in the power space 21, the lubricating oil located in the power space 21 enters the oil storage space 22 through a communication position of the power space 21 and the oil storage space 22, the lubricating oil level in the power space 21 is lowered, the lubricating oil level in the oil storage space 22 is raised, when the floating piece 222 in the oil storage space 22 is observed to rise to be level with the communication position of the oil storage space 22 and the adjusting screw rod 11, the lubricating oil located in the oil storage space 22 enters the adjusting screw rod 11 from the connection position, and the adjusting screw rod 11 is lubricated.

After pressing down on pressing the depression bar 42 and making lubricating oil slide in to adjust lead screw 11, no longer pressing down the depression bar 42, then spring 412 resumes elasticity, and butt closure plate 41 removes towards the direction of keeping away from holding tank 2 diapire to make the liquid level of the lubricating oil that is located oil storage space 22 descend, the liquid level of the lubricating oil that is located power space 21 rises, then lubricating oil no longer follows oil storage space 22 and adjusts the intercommunication department roll-off of lead screw 11, in order to avoid the lubricating oil roll-off too much.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an electric liquid formula compression testing machine, includes upper beam (1), and threaded connection has regulation lead screw (11), characterized by on upper beam (1): be provided with holding tank (2) on entablature (1), be provided with separator (3) in holding tank (2), separator (3) separate holding tank (2) for power space (21) and oil storage space (22) of mutual intercommunication, oil storage space (22) and regulation lead screw (11) intercommunication, all be provided with lubricating oil in oil storage space (22) and power space (21), be provided with in power space (21) and be used for extrusion lubricating oil so that lubricating oil follow the splenium (4) of pressing of flowing in oil storage space (22).

2. The electrohydraulic compression tester of claim 1 further comprising: the pressing portion (4) comprises a pressing rod (42) and a plugging plate (41), the plugging plate (41) is perpendicular to the partition (3) and divides the power space (21) into an upper portion and a lower portion, the pressing rod (42) is T-shaped, the vertical end of the pressing rod (42) is perpendicularly connected with the plugging plate (41), and the horizontal end of the pressing rod (42) is located outside the power space (21).

3. The electrohydraulic compression tester of claim 2 further comprising: be provided with spring (412) that drive shutoff board (41) all the time and remove towards keeping away from interior diapire of holding tank (2) between the interior diapire of shutoff board (41) and holding tank (2), spring (412) are located power space (21).

4. The electrohydraulic compression tester of claim 2 further comprising: be provided with guide block (411) on the lateral wall of shutoff board (41), be provided with on the inside wall of holding tank (2) or separator (3) with guide block (411) sliding connection's guide way (5), guide way (5) set up along holding tank (2) or separator (3) direction of height.

5. The electrohydraulic compression tester of claim 1 further comprising: a transparent cover (221) is rotatably arranged above the oil storage space (22), and the transparent cover (221) is used for plugging an opening of the oil storage space (22).

6. The electro-hydraulic pressure tester of claim 5, wherein: be provided with floating piece (222) in oil storage space (22), be provided with on the inside wall of holding tank (2) sign line (223), sign line (223) are located holding tank (2) lateral wall and are close to the position of diapire.

7. The electrohydraulic compression tester of claim 1 further comprising: the circumference is provided with connecting cylinder (62) on the bottom of adjusting lead screw (11), ring channel (621) have been seted up on connecting cylinder (62), it has two food tray (7) that connect that are used for accepting lubricating oil to peg graft in ring channel (621), two connect food tray (7) to be the symmetry setting, two connect food tray (7) when pegging graft in ring channel (621), two connect food tray (7) butt each other.

8. The electrohydraulic compression tester of claim 7 further comprising: the bottom of adjusting lead screw (11) is provided with spliced pole (6), spliced pole (6) and adjusting lead screw (11) coaxial coupling, the diameter of spliced pole (6) is less than the diameter of adjusting lead screw (11), connecting cylinder (62) circumference sets up on spliced pole (6), two when connecing food tray (7) to peg graft in ring channel (621), the open end that connects food tray (7) is relative with the lower terminal surface of adjusting lead screw (11).