Pressure plate advancing and retreating mechanism of hydraulic static sounding device

Abstract

The utility model relates to the technical field of static sounding devices, in particular to a hydraulic static sounding device pressure plate advancing and retreating mechanism which comprises a pressure plate, a through hole is formed in the middle of the upper end of the pressure plate, a probe rod guide sleeve formed by two half tiles in a butt joint mode is arranged on the two sides of the interior of the through hole in a sliding mode, and a boss is fixedly arranged at the upper end of the probe rod guide sleeve. Through grooves are formed in the inner side wall of the boss, rolling wheels are rotationally arranged in the two through grooves through rolling bearings, an annular groove is formed in the position, located on the lower side of the pressure plate, of the outer side wall of the probe rod guide sleeve, a U-shaped clamping plate is arranged on the annular groove and connected with the annular groove in a clamped mode, and a limiting mechanism is arranged in an opening of the U-shaped clamping plate. According to the utility model, the probe rod guide sleeve can be conveniently limited, so that the U-shaped clamping plate is prevented from being separated from the annular groove due to vibration, and the friction force between the probe rod and the probe rod guide sleeve can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of static penetration devices, in particular to a pressure plate advance and retreat mechanism of a hydraulic static penetration device. Background Art

[0002] The static penetration machine is a static penetration equipment widely used in the fields of construction, water conservancy, electricity, etc. for foundation soil testing.

[0003] In the patent number CN203307790U, a probe rod guide sleeve of a light static penetration probe machine is disclosed, including two half tiles constituting the probe rod guide sleeve, characterized in that: the bottom end of the probe rod guide sleeve formed by the butt joint of the two half tiles is provided with an annular groove, and a U-shaped clamping plate is provided in the annular groove, and the inner side edge and the groove bottom of the U-shaped clamping plate are inserted and engaged with the annular groove of the probe rod guide sleeve. The annular groove of the probe rod guide sleeve and the U-shaped clamping plate in the annular groove can effectively solve the problem that the probe rod guide sleeve or one half tile thereof is disengaged from the probe rod through hole of the upper and lower pressure plates and the bottom plate of the light static penetration probe machine when the probe rod is probing or pulling out.

[0004] The above patent has the following problems:

[0005] The U-shaped pallet can be easily separated from the annular groove due to the vibration of the construction site. In the prior art, it is not convenient to limit the U-shaped pallet quickly and effectively, and the efficiency is low. Therefore, we have introduced a hydraulic static penetration device pressure plate advance and retreat mechanism. Utility Model Content

[0006] The purpose of the utility model is to provide a hydraulic static probe device pressure plate advance and retreat mechanism, which can provide a limit for the probe rod guide sleeve, thereby preventing the U-shaped clamping plate from detaching from the annular groove due to vibration, and can also reduce the friction between the probe rod and the probe rod guide sleeve, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A hydraulic static penetration device pressure plate advance and retreat mechanism comprises a pressure plate, a through hole is provided in the middle of the upper end of the pressure plate, and a probe rod guide sleeve composed of two half-walls connected together is slidably provided on both sides of the inside of the through hole, a boss is fixedly provided on the upper end of the probe rod guide sleeve, a through groove is provided on the inner side wall of the boss, rollers are rotatably provided in both through grooves through rolling bearings, an annular groove is provided on the outer side wall of the probe rod guide sleeve located at the lower side of the pressure plate, a U-shaped clamping plate is provided on the annular groove, the U-shaped clamping plate is clamped with the annular groove, and a limiting mechanism is provided in the opening of the U-shaped clamping plate.

[0009] Preferably, the limiting mechanism includes two rectangular blocks and a rectangular sliding rod, rectangular slots are provided on the inner edges of the two sides of the opening of the U-shaped clamping plate, the two rectangular blocks are respectively slidably arranged in the two rectangular slots, the opposite ends of the two rectangular blocks extend out of the rectangular slots, rectangular slide grooves are provided on the opposite ends of the two rectangular blocks, the two ends of the rectangular slide rod are respectively slidably connected to the two rectangular slide grooves, and the rod wall of the rectangular slide rod is located between the rectangular blocks and is movably sleeved with a spring.

[0010] Preferably, a push plate is fixedly provided on one side of the side walls of the two rectangular blocks that are close to each other.

[0011] Preferably, a fixing rope is fixed between the two push plates.

[0012] Preferably, the spring is always in a compressed state.

[0013] Preferably, the ends of the two rectangular blocks facing away from each other are both chamfered.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The pressure plate advance and retreat mechanism of the hydraulic static sounding device inserts the probe rod guide sleeve into the through hole through the pressure plate, U-shaped card plate, probe rod guide sleeve, boss, rectangular card block, spring, rectangular slide bar, push plate, fixed rope and roller. At this time, the U-shaped card plate is clamped into the annular groove from the side, and then the two push plates are pushed at the same time. The push plates drive the rectangular card block to squeeze the spring. At the same time, the two ends of the rectangular slide bar slide into the rectangular slide groove, and the limiting mechanism is moved to the rectangular card groove. The two push plates are released, and the spring pushes the rectangular card block to be clamped into the rectangular card groove. At this time, the U-shaped card plate can provide limiting for the probe rod guide sleeve, thereby preventing the U-shaped card plate from detaching from the annular groove due to vibration, and the two rollers can reduce the friction between the probe rod and the probe rod guide sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a structural schematic diagram of a pressure plate advance and retreat mechanism of a hydraulic static penetration device.

[0017] Figure 2 It is a structural schematic diagram of the probe rod guide sleeve and the U-shaped clamping plate.

[0018] Figure 3 It is a structural diagram of the limiting mechanism.

[0019] Figure 4 for Figure 1 An enlarged schematic diagram of part A in the figure.

[0020] Figure 5 for Figure 2 An enlarged schematic diagram of the local B in the middle.

[0021] In the figure: 1. pressure plate; 2. U-shaped clamping plate; 3. probe rod guide sleeve; 4. boss; 5. rectangular clamping block; 6. spring; 7. rectangular sliding rod; 8. push plate; 9. fixing rope; 10. roller. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 5 , the utility model provides a technical solution:

[0024] A hydraulic static penetration device pressure plate advance and retreat mechanism comprises a pressure plate 1, a through hole is provided in the middle of the upper end of the pressure plate 1, and a probe rod guide sleeve 3 composed of two half-tiles connected together is slidably provided on both sides of the inner part of the through hole, a boss 4 is fixedly provided on the upper end of the probe rod guide sleeve 3, a through groove is provided on the inner side wall of the boss 4, rollers 10 are rotatably provided in both through the rolling bearings, an annular groove is provided on the outer side wall of the probe rod guide sleeve 3 located at the lower side of the pressure plate 1, a U-shaped clamping plate 2 is provided on the annular groove, the U-shaped clamping plate 2 is clamped with the annular groove, and a limiting mechanism is provided in the opening of the U-shaped clamping plate 2.

[0025] The limiting mechanism includes two rectangular blocks 5 and a rectangular slide bar 7. Rectangular slots are provided on the inner edges of the two sides of the opening of the U-shaped card plate 2. The two rectangular blocks 5 are slidably arranged in the two rectangular slots respectively. The opposite ends of the two rectangular blocks 5 extend out of the rectangular slots. The opposite ends of the two rectangular blocks 5 are provided with rectangular slide slots. The two ends of the rectangular slide bar 7 are slidably connected with the two rectangular slide slots respectively. The rod wall of the rectangular slide bar 7 is located between the rectangular blocks 5 and a spring 6 is movably sleeved. The spring 6 is always in a compressed state. A push plate 8 is fixedly provided on the side where the side walls of the two rectangular blocks 5 are close to each other. A fixing rope 9 is fixed between the two push plates 8. The fixing rope 9 can provide limiting for the rectangular block 5 through the push plate 8. The ends of the two rectangular blocks 5 that are away from each other are provided with chamfers, and the chamfers facilitate the rectangular block 5 to be inserted into the rectangular slot.

[0026] When in use, insert the probe rod guide sleeve 3 into the through hole. At this time, the U-shaped card plate 2 is inserted into the annular groove from the side, and then the two push plates 8 are pushed at the same time. The push plates 8 drive the rectangular card block 5 to squeeze the spring 6. At the same time, the two ends of the rectangular slide bar 7 slide into the rectangular slide groove, and the limit mechanism is moved to the rectangular card groove. The two push plates 8 are released, and the spring 6 pushes the rectangular card block 5 to be stuck in the rectangular card groove. At this time, the U-shaped card plate 2 can easily provide a limit for the probe rod guide sleeve 3, thereby preventing the U-shaped card plate 2 from detaching from the annular groove due to vibration, and the two rollers 10 can reduce the friction between the probe rod and the probe rod guide sleeve 3.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic static penetration device pressure plate advance and retreat mechanism, comprising a pressure plate (1), characterized in that: A through hole is provided in the middle of the upper end of the pressure plate (1), and a probe rod guide sleeve (3) composed of two half-shells connected together is slidably provided on both sides of the through hole. A boss (4) is fixedly provided at the upper end of the probe rod guide sleeve (3), and a through groove is provided on the inner side wall of the boss (4). Rollers (10) are rotatably provided in both through grooves via rolling bearings. An annular groove is provided on the outer side wall of the probe rod guide sleeve (3) located at the lower side of the pressure plate (1), and a U-shaped clamping plate (2) is provided on the annular groove. The U-shaped clamping plate (2) is clamped with the annular groove, and a limiting mechanism is provided in the opening of the U-shaped clamping plate (2).

2. The hydraulic static penetration device pressure plate advance and retreat mechanism according to claim 1, characterized in that: The limiting mechanism comprises two rectangular clamping blocks (5) and a rectangular sliding rod (7). The inner edges of the two sides of the opening of the U-shaped clamping plate (2) are provided with rectangular clamping grooves. The two rectangular clamping blocks (5) are respectively slidably arranged in the two rectangular clamping grooves. The opposite ends of the two rectangular clamping blocks (5) extend out of the rectangular clamping grooves. The opposite ends of the two rectangular clamping blocks (5) are provided with rectangular sliding grooves. The two ends of the rectangular sliding rod (7) are respectively slidably connected with the two rectangular sliding grooves. The rod wall of the rectangular sliding rod (7) is located between the rectangular clamping blocks (5) and is movably sleeved with a spring (6).

3. The hydraulic static penetration device pressure plate advance and retreat mechanism according to claim 2, characterized in that: A push plate (8) is fixedly provided on the adjacent side of the side walls of the two rectangular clamping blocks (5).

4. A hydraulic static penetration device pressure plate advance and retreat mechanism according to claim 3, characterized in that: A fixing rope (9) is fixedly arranged between the two push plates (8).

5. The hydraulic static penetration device pressure plate advance and retreat mechanism according to claim 2, characterized in that: The spring (6) is always in a compressed state.

6. The hydraulic static penetration device pressure plate advance and retreat mechanism according to claim 2, characterized in that: The two rectangular clamping blocks (5) are both provided with chamfers at the ends facing away from each other.

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