Flat plate load test device

Abstract

The utility model discloses a flat plate load test device, and mainly relates to flat plate load tests. Comprising a pressing plate and two reference columns, a jack and two pressure gauges are mounted on the upper surface of the pressing plate, an adjusting structure is arranged at the upper end of the jack and comprises a mounting block, the mounting block is fixedly connected with the jack, a mounting pipe is slidably arranged on the surface of the mounting block, a supporting rod is in threaded connection with the inner wall of the mounting pipe, and the supporting rod is fixedly connected with the jack. A disc is fixedly connected to the upper end of the supporting rod, a plurality of round holes are formed in the arc surface of the disc, a round rod slides on the inner wall of one round hole, a supporting plate is rotationally connected to the upper surface of the disc, and two limiting rods are fixedly connected to the lower surface of the supporting plate. The lifting jack has the advantages that the mounting pipe is conveniently connected to the upper end of the lifting jack, the supporting rod and the supporting plate are adjusted to extend to a ballasting platform, and the application range and the supporting stability of the lifting jack are expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of plate load tests, in particular to a plate load test device. Background Art

[0002] The plate load test is an in-situ test method used to apply a vertical load to the foundation through a bearing plate on natural foundation to observe the deformation and strength laws of the studied foundation soil.

[0003] In the prior art, when using a plate load tester for a plate load test, a counter-force device of a weight platform is configured at a designated location, two soil mounds are placed, a steel beam is horizontally placed on the soil mounds, a large amount of heavy objects are laid on the upper surface of the steel beam, then a bearing plate and a jack are placed at the test location, reference columns and a horizontally placed reference beam are placed on both sides of the bearing plate, the output end of a pressure gauge is in contact with the reference beam, and then an oil pump is operated to make the jack abut against the cross beam of the weight platform upwards, and then a load test can be carried out, and data conversion is performed through the readings on the pressure gauge and the oil pump. However, the following problems will occur in this operation: the maximum height of the jack is limited, the applicable range is small, the upper end area of the jack is small, and the support effect is poor. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages of the limited maximum height of the jack and poor support effect in the prior art.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a plate load test device includes a bearing plate and two reference columns. A jack and two pressure gauges are installed on the upper surface of the bearing plate. A reference beam is installed on the arc surfaces of the two reference columns. The output ends of the two pressure gauges are abutted against the reference beam. A high-pressure oil pipe is installed on the arc surface of the jack. The end of the high-pressure oil pipe far from the jack is installed with a manual oil pump. An adjusting structure is provided at the upper end of the jack. The adjusting structure includes a mounting block. The mounting block is fixedly connected with the jack. An installation pipe slides on the surface of the mounting block. A support rod is screw-connected to the inner wall of the installation pipe. The upper end of the support rod is fixedly connected with a disc. A number of circular holes are formed in the arc surface of the disc. A round rod slides in the inner wall of one of the circular holes. A support plate is rotatably connected to the upper surface of the disc. Two limiting rods are fixedly connected to the lower surface of the support plate. The lower ends of the two limiting rods are fixedly connected with a limiting frame. A screw rod is threadedly inserted into one side of the limiting frame. The end of the screw rod close to the limiting frame is rotatably connected with a clamping plate. The surface of the clamping plate is slidably connected with the limiting frame.

[0006] The effects achieved by the above components are as follows: the installation pipe is conveniently connected to the upper end of the jack, and the support rod and the support plate are adjusted to extend towards the weight platform, expanding the applicable range and support stability of the jack.

[0007] Preferably, an anti-slip sleeve is fixedly connected to the arc surface of the round rod, and the anti-slip sleeve is a rubber sleeve.

[0008] The effect achieved by the above components is that the friction of the arc surface of the round rod is increased through the anti-slip sleeve, facilitating the user to operate the round rod.

[0009] Preferably, a plurality of anti-slip lines are provided on the upper surface of the support plate, and the plurality of anti-slip lines are evenly distributed on the support plate.

[0010] The effect achieved by the above components is that the friction of the upper surface of the support plate is increased through the anti-slip lines.

[0011] Preferably, a sliding rod is fixedly connected to the side of the clamping plate close to the screw rod, and the arc surface of the sliding rod is slidably connected to the limiting frame.

[0012] The effect achieved by the above components is that the clamping plate is further limited by the sliding rod, making the clamping plate move more smoothly along the limiting frame.

[0013] Preferably, an auxiliary structure is provided on the arc surface of the high-pressure oil pipe. The auxiliary structure includes a bottom frame and a cover frame. The bottom frame and the cover frame are in contact with the high-pressure oil pipe. A connecting rod is fixedly connected to the side of the cover frame close to the bottom frame. The arc surface of the connecting rod is slidably connected to the bottom frame. A positioning frame is fixedly connected to the side of the bottom frame close to the cover frame. Positioning rods are slidably connected to both sides of the positioning frame. A spring is sleeved on the surface of the positioning rod. Both ends of the spring are fixedly connected to the positioning rod and the positioning frame respectively. A clamping block is fixedly connected to the side of the cover frame close to the positioning frame.

[0014] The effect achieved by the above components is that the operation of the clamping block is conveniently fixed in the positioning frame, and the high-pressure oil pipe is bundled by using the cover frame and the bottom frame, facilitating the user to manage the high-pressure oil pipe.

[0015] Preferably, inclined surfaces are provided on the sides of both positioning rods close to the cover frame.

[0016] The effect achieved by the above components is that when the clamping block presses the inclined surface of the positioning rod towards the direction close to the bottom frame, the two positioning rods can be moved away from each other, and then the clamping block can fully enter the positioning frame, facilitating the user's operation.

[0017] Preferably, an auxiliary block is fixedly connected to the end of the positioning rod away from the positioning frame.

[0018] The effect achieved by the above components is that the positioning rod is driven to move by operating the auxiliary block, facilitating the user to move the positioning rod.

[0019] In summary, the beneficial effects of the present utility model are:

[0020] In the present utility model, when conducting a plate load test using a plate load tester, a reaction device for the weight platform is first configured at a designated location. Two soil mounds are placed, and a steel beam is horizontally placed on the soil mounds. A large number of heavy objects are laid on the upper surface of the steel beam. Then, a loading plate and a jack are placed at the test location, reference columns and a horizontally placed reference beam are placed on both sides of the loading plate, the output end of the pressure gauge is brought into contact with the reference beam, and then the oil pump is operated to make the jack press upward against the cross beam of the weight platform. Then, the load test can be carried out, and data conversion is performed through the readings on the pressure gauge and the oil pump. However, the following problems will occur in this operation: the maximum height of the jack is limited, the applicable range is small, the upper end area of the jack is small, and the support effect is poor. By setting an adjustment structure, the installation pipe is conveniently connected to the upper end of the jack, the support rod and the support plate are adjusted to extend towards the weight platform, the use range and support stability of the jack are expanded, and the angle of the support plate can be adjusted to further improve the support stability.

[0021] In the plate load test, the high-pressure oil pipe has a certain length, which is not convenient for the user to manage. Through the auxiliary structure, the operation block is conveniently fixed in the positioning frame, and the high-pressure oil pipe is bundled by the cover frame and the bottom frame, which is convenient for the user to manage the high-pressure oil pipe. Brief Description of the Drawings

[0022] Attached Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0023] Attached Figure 2 is a structural schematic diagram of the adjustment device of the present utility model;

[0024] Attached Figure 3 is a partial structural schematic diagram of the adjustment device of the present utility model;

[0025] Attached Figure 4 is a partial structural schematic diagram of the adjustment device of the present utility model;

[0026] Attached Figure 5 is a structural schematic diagram of the auxiliary device of the present utility model.

[0027] Reference numerals shown in the drawings: 1. Loading plate; 2. Jack; 3. Reference column; 4. Reference beam; 5. Pressure gauge; 6. High-pressure oil pipe; 7. Manual oil pump; 8. Adjustment structure; 801. Installation block; 802. Installation pipe; 803. Support rod; 804. Disc; 805. Round hole; 806. Round rod; 807. Anti-slip sleeve; 808. Support plate; 809. Anti-slip pattern; 810. Limit rod; 811. Limit frame; 812. Screw; 813. Clamping plate; 814. Slide rod; 9. Auxiliary structure; 91. Bottom frame; 92. Cover frame; 93. Connecting rod; 94. Positioning frame; 95. Positioning rod; 96. Spring; 97. Block; 98. Auxiliary block. Detailed Description of the Embodiment

[0028] The present utility model will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the present utility model, those skilled in the art can make various changes or modifications to the present utility model, and these equivalent forms also fall within the scope defined by the appended claims of this application.

[0029] Referring to Figure 1 As shown, the present utility model provides a technical solution: a plate load test device, including a pressure plate 1 and two reference columns 3. A jack 2 and two pressure gauges 5 are installed on the upper surface of the pressure plate 1. A reference beam 4 is installed on the arc surfaces of the two reference columns 3. The output ends of the two pressure gauges 5 are abutted against the reference beam 4. A high-pressure oil pipe 6 is installed on the arc surface of the jack 2. A manual oil pump 7 is installed at one end of the high-pressure oil pipe 6 away from the jack 2. An adjustment structure 8 is provided at the upper end of the jack 2, and an auxiliary structure 9 is provided on the arc surface of the high-pressure oil pipe 6.

[0030] The specific settings and functions of its adjustment structure 8 and auxiliary structure 9 will be specifically described below.

[0031] Referring to Figures 2 to 4As shown in the figure, in this embodiment: The adjustment structure 8 includes a mounting block 801, the mounting block 801 is fixedly connected to the jack 2, a mounting tube 802 slides on the surface of the mounting block 801, a support rod 803 is threadedly connected to the inner wall of the mounting tube 802, the upper end of the support rod 803 is fixedly connected to a disc 804, a number of circular holes 805 are formed in the arc surface of the disc 804, a round rod 806 slides in the inner wall of one of the circular holes 805, a support plate 808 is rotatably connected to the upper surface of the disc 804, two limiting rods 810 are fixedly connected to the lower surface of the support plate 808, the lower ends of the two limiting rods 810 are fixedly connected to a limiting frame 811, a screw rod 812 is threadedly inserted into one side of the limiting frame 811, one end of the screw rod 812 close to the limiting frame 811 is rotatably connected to a clamping plate 813, the surface of the clamping plate 813 is slidably connected to the limiting frame 811, the mounting tube 802 is conveniently connected to the upper end of the jack 2, the support rod 803 and the support plate 808 are adjusted to extend towards the weight platform, expanding the use range and support stability of the jack 2. An anti-slip sleeve 807 is fixedly connected to the arc surface of the round rod 806, and the anti-slip sleeve 807 is a rubber sleeve. The friction of the arc surface of the round rod 806 is increased through the anti-slip sleeve 807, facilitating the user to operate the round rod 806. A number of anti-slip lines 809 are formed on the upper surface of the support plate 808, and the number of anti-slip lines 809 are evenly distributed on the support plate 808. The friction of the upper surface of the support plate 808 is increased through the anti-slip lines 809. A sliding rod 814 is fixedly connected to one side of the clamping plate 813 close to the screw rod 812, and the arc surface of the sliding rod 814 is slidably connected to the limiting frame 811. The clamping plate 813 is further limited through the sliding rod 814, making the clamping plate 813 move more smoothly along the limiting frame 811.

[0032] Refer to Figure 5As shown, in this embodiment: the auxiliary structure 9 includes a bottom frame 91 and a cover frame 92, the bottom frame 91 and the cover frame 92 are in contact with the high-pressure oil pipe 6, the cover frame 92 is fixedly connected to a connecting rod 93 on one side close to the bottom frame 91, the arc surface of the connecting rod 93 is slidably connected to the bottom frame 91, the bottom frame 91 is fixedly connected to a positioning frame 94 on one side close to the cover frame 92, both sides of the positioning frame 94 are slidably connected to positioning rods 95, the surface of the positioning rod 95 is sleeved with a spring 96, the two ends of the spring 96 are respectively fixedly connected to the positioning rod 95 and the positioning frame 94, the cover frame 92 is fixedly connected to a card block 97 on one side close to the positioning frame 94, and the card block is operated 97 is conveniently fixed in the positioning frame 94, and the cover frame 92 and the bottom frame 91 are used to bundle the high-pressure oil pipe 6, which is convenient for the user to manage the high-pressure oil pipe 6. The two positioning rods 95 are provided with inclined surfaces on the side close to the cover frame 92. The block 97 squeezes the inclined surface of the positioning rod 95 in the direction close to the bottom frame 91, so that the two positioning rods 95 can move away from each other, so that the block 97 can fully enter the positioning frame 94, which is convenient for the user to operate. The end of the positioning rod 95 away from the positioning frame 94 is fixedly connected with an auxiliary block 98. The positioning rod 95 is driven to move by operating the auxiliary block 98, which is convenient for the user to move the positioning rod 95.

[0033] Detailed description of usage: by setting the adjustment structure 8, first slide the mounting tube 802 from top to bottom onto the mounting block 801, then operate the round rod 806 to slide into the appropriate round hole 805 and rotate the round rod 806, the round rod 806 drives the disc 804 to rotate, the disc 804 drives the support rod 803 to rotate, the support rod 803 moves upward along the mounting tube 802 with the help of the thread, the disc 804 drives the support plate 808 to move upward, during this process, the support plate 808 drives the limit frame 811 to always move along the outer arc surface of the mounting tube 802 through the limit rod 810, when the support plate 808 is close to the steel beam of the weight platform, according to the structure of the lower surface of the steel beam, the support plate 808 is rotated to a suitable angle The screw 812 is rotated to move toward the limit frame 811 with the help of the thread, and the screw 812 drives the clamping plate 813 to approach the mounting tube 802, so that the clamping plate 813 is against the outer arc surface of the mounting tube 802, so that the angle of the support plate 808 is fixed, and then the manual oil pump 7 is operated for subsequent tests, wherein the friction of the arc surface of the round rod 806 is increased by the anti-slip sleeve 807, so that the user can operate the round rod 806 conveniently, the friction of the upper surface of the support plate 808 is increased by the anti-slip pattern 809, and the clamping plate 813 is further limited by the sliding rod 814, so that the clamping plate 813 can move more smoothly along the limit frame 811.

[0034] Through the auxiliary structure 9, first move the two positioning rods 95 away from each other. The spring 96 is in a stretched state. After the positioning rods 95 move a proper distance along the positioning frame 94, move the cover frame 92 away from the bottom frame 91. The cover frame 92 drives the connecting rod 93 and the clamping block 97 to move. The connecting rod 93 moves along the bottom frame 91, and the clamping block 97 slides out of the positioning frame 94. Then the cover frame 92 can be rotated away from or continue to be moved upward away from the bottom frame 91 to take out the high-pressure oil pipe 6 of the required length. Then operate the cover frame 92 to reset, so that the clamping block 97 moves into the positioning frame 94, release the positioning rods 95, and the two positioning rods 95 move towards each other under the action of the elastic force of the spring 96 to block the clamping block 97. Among them, the clamping block 97 presses the inclined surface of the positioning rod 95 towards the bottom frame 91, which can make the two positioning rods 95 move away from each other, so that the clamping block 97 fully enters the positioning frame 94, which is convenient for the user to operate. By operating the auxiliary block 98 to drive the positioning rod 95 to move, it is convenient for the user to move the positioning rod 95.

Claims

1. A plate load test device includes a loading plate (1) and two reference columns (3), characterized in that: The upper surface of the pressing plate (1) is provided with a jack (2) and two pressure gauges (5). The arc surfaces of the two reference columns (3) are provided with a reference beam (4). The output ends of the two pressure gauges (5) are abutted against the reference beam (4). The arc surface of the jack (2) is provided with a high-pressure oil pipe (6). One end of the high-pressure oil pipe (6) away from the jack (2) is provided with a manual oil pump (7). The upper end of the jack (2) is provided with an adjusting structure (8). The adjusting structure (8) includes a mounting block (801). The mounting block (801) is fixedly connected with the jack (2). An installation pipe (802) slides on the surface of the mounting block (801). A support rod (803) is threadedly connected to the inner wall of the installation pipe (802). The upper end of the support rod (803) is fixedly connected with a disc (804). A plurality of circular holes (805) are formed in the arc surface of the disc (804). A round rod (806) slides in the inner wall of one of the circular holes (805). The upper surface of the disc (804) is rotatably connected with a support plate (808). Two limiting rods (810) are fixedly connected to the lower surface of the support plate (808). The lower ends of the two limiting rods (810) are fixedly connected with a limiting frame (811). A screw rod (812) is threadedly inserted into one side of the limiting frame (811). One end of the screw rod (812) close to the limiting frame (811) is rotatably connected with a clamping plate (813). The surface of the clamping plate (813) is slidably connected with the limiting frame (811).

2. The plate load test device according to claim 1, characterized in that: An anti-slip sleeve (807) is fixedly connected to the arc surface of the round rod (806). The anti-slip sleeve (807) is a rubber sleeve.

3. The plate load test device according to claim 1, characterized in that: A plurality of anti-slip lines (809) are formed on the upper surface of the support plate (808). The plurality of anti-slip lines (809) are evenly distributed on the support plate (808).

4. A flat plate load test device according to claim 1, characterized in that: A sliding rod (814) is fixedly connected to one side of the clamping plate (813) close to the screw rod (812). The arc surface of the sliding rod (814) is slidably connected with the limiting frame (811).

5. The plate load test device according to claim 1, characterized in that: An auxiliary structure (9) is provided on the arc surface of the high-pressure oil pipe (6). The auxiliary structure (9) includes a bottom frame (91) and a cover frame (92). The bottom frame (91) and the cover frame (92) are abutted against the high-pressure oil pipe (6). A connecting rod (93) is fixedly connected to one side of the cover frame (92) close to the bottom frame (91). The arc surface of the connecting rod (93) is slidably connected with the bottom frame (91). A positioning frame (94) is fixedly connected to one side of the bottom frame (91) close to the cover frame (92). Positioning rods (95) are slidably connected to both sides of the positioning frame (94). A spring (96) is sleeved on the surface of the positioning rod (95). The two ends of the spring (96) are respectively fixedly connected with the positioning rod (95) and the positioning frame (94). A clamping block (97) is fixedly connected to one side of the cover frame (92) close to the positioning frame (94).

6. A plate load test device according to claim 5, characterized in that: Bevels are arranged on one side of the two positioning rods (95) close to the cover frame (92).

7. The plate load test device according to claim 5, characterized in that: One end of the positioning rod (95) far away from the positioning frame (94) is fixedly connected with an auxiliary block (98).

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