CN211292083U

CN211292083U - Sampling device of unconfined compressive strength tester

Info

Publication number: CN211292083U
Application number: CN201922277679.XU
Authority: CN
Inventors: 刘胜楠; 徐凯
Original assignee: Shandong Hengji Survey And Design Co ltd
Current assignee: Shandong Hengji Survey And Design Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-18
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a sampling device of no side limit compressive strength apparatus relates to the technical field of no side limit compressive strength apparatus, including axis of rotation, two material taking clamps that set gradually along articulated shaft circumference, two material taking clamp parallel arrangement, the material taking clamp includes first clamping bar, second clamping bar, articulated shaft, first clamping bar passes through the articulated shaft with the second clamping bar and rotates to be connected, just articulated shaft and the coaxial fixed connection of axis of rotation, be provided with the adjusting part who is used for two material taking clamp's of synchronous drive first clamping bar and second clamping bar turned angle in the axis of rotation. After the unconfined compressive strength test is finished, the adjusting assembly is controlled to enable one ends of the first clamping rod and the second clamping rod of the two material taking clamps to be abutted against the sample, so that the sample is clamped; the two material taking clamps are convenient to clamp the undamaged parts at the two ends of the sample, so that the quality of the sample is improved.

Description

Sampling device of unconfined compressive strength tester

Technical Field

The utility model belongs to the technical field of the technique of unconfined compressive strength apparatus and specifically relates to a sampling device of unconfined compressive strength apparatus is related to.

Background

The unconfined compressive strength tester is used for testing unconfined compressive strength of samples such as soil.

In the prior art, for example, chinese patent No. CN208060291U proposes a device for measuring unconfined compressive strength, which includes a strength testing device, a wireless control device, and a data processing device; the strength testing device comprises an upper protection plate, a driving device arranged above the upper protection plate, an upper pressure plate connected with the driving device through a ball screw, a base arranged at the bottom of the strength testing device, a lower pressure plate arranged on the base, and two bearing rods arranged at two sides of the strength testing device and used for supporting the upper protection plate and the base; the wireless control device comprises a transmitting part and a receiving part, wherein the transmitting part comprises a control unit and a signal transmitter, and the receiving part comprises a signal receiver arranged on the driving device; the data processing device comprises an A/D converter and a display screen, and the A/D converter is respectively connected with the display screen and the strength test device through signal lines. The lower surface of the upper pressing plate and the upper surface of the lower pressing plate are both provided with clamping grooves for positioning samples, pressure sensors are mounted in the central parts of the clamping grooves, and the pressure sensors are connected with the A/D converter through signal lines.

The test piece is placed on the lower pressing plate, then the wireless control device is started, the control unit sends a starting signal to the signal receiver installed on the driving device through the signal transmitter, the signal receiver starts the electronic switch after receiving the starting signal, then the driving device starts to work, and the upper pressing plate enables the test piece to be pressed tightly. The pressure sensor is touched by the test piece, the pressure sensor transmits the detected pressure data signal to the A/D converter, the A/D converter converts the received signal, the processed data result is sent to the display screen, and the display screen displays the pressure value born by the test piece, so that the test on the test piece is realized.

However, when the unconfined compressive strength measuring device proposed in the above technical solution is used to test a soil sample, the sample is generally formed in a cylindrical shape in advance, and after the test is completed, the sample is locally damaged, and when a tester directly takes off the sample with hands, the sample is easily broken, which makes it difficult to take off the sample.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a sampling device of no confined compressive strength apparatus through the setting of two material clamps of getting, realizes the purpose that convenient to use person took off the sample.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a sampling device of no confined compressive strength apparatus, includes the axis of rotation, follows two material clamps of getting that the axis of rotation axial set gradually, two it presss from both sides parallel arrangement to get the material, it includes first clamping bar, second clamping bar to get the material clamp, first clamping bar and axis of rotation fixed connection, the second clamping bar uses the axis of rotation to rotate as switching point and first clamping bar and is connected, be provided with the first clamping bar that is used for two material clamps of synchronous regulation and the adjusting part of second clamping bar turned angle in the axis of rotation.

By adopting the technical scheme, after the unconfined compressive strength test is finished, the adjusting assembly is controlled to enable one ends of the first clamping rod and the second clamping rod of the two material taking clamps to be abutted against the sample, so that the sample is clamped, and the purpose of taking down the sample by a user is achieved; the two material taking clamps are arranged, so that a user can conveniently take the undamaged parts at the two ends of the sample.

The utility model discloses further set up to: the adjusting component comprises a first supporting rod and a second supporting rod, one end of each of the two first clamping rods is sleeved on the first supporting rod, and one end of each of the two second clamping rods is sleeved on the second supporting rod.

Through adopting above-mentioned technical scheme, grip first bracing piece, second bracing piece, make the two rotate to the direction that is close to each other to realize the clamp of sample and get, the setting up convenient to use person of first bracing piece, second bracing piece controls two simultaneously and gets the material and press from both sides and carry out the centre gripping to the sample.

The utility model discloses further set up to: the end, far away from the first supporting rod, of the first clamping rod is arc-shaped, the end, far away from the second supporting rod, of the second clamping rod is arc-shaped, and elastic layers are arranged on abutting surfaces of the first clamping rod, the second clamping rod and the sample.

Through adopting above-mentioned technical scheme, first clamping bar sets up to the arc with second clamping bar one end for the work piece is got by the clamp and is difficult enough taken place to rock, and when first clamping bar got the sample with the second clamping bar clamp, the elastomer was compressed, makes first clamping bar, second clamping bar be difficult for leaving the vestige on the test piece surface, thereby realizes improving the purpose of test piece surface quality.

The utility model discloses further set up to: the rotating shaft comprises a moving rod, a fixed rod and a sleeve, the moving rod is connected with one group of material taking clamps, the fixed rod is connected with the other group of material taking clamps, the moving rod is connected with the fixed rod through the sleeve, two-way threads are formed in the inner wall of the sleeve, external threads connected with the sleeve threads are formed in the moving rod and the fixed rod respectively, the first clamping rod is sleeved with a first supporting rod in a sliding mode along the length direction of the first supporting rod, the second clamping rod is sleeved with a second supporting rod in a sliding mode along the length direction of the second supporting rod, a first locking assembly used for locking the sliding distance between the first clamping rod and the first supporting rod is arranged on the first supporting rod, and a second locking assembly used for locking the sliding distance between the second clamping rod and the second supporting rod is arranged on the second supporting rod.

By adopting the technical scheme, the sleeve is rotated, and the movable rod and the fixed rod move towards the direction close to or away from each other, so that the adjustment of the distance between the two groups of the material taking clamps is realized, a user can adjust the distance between the two material taking clamps according to actual conditions, and the material taking clamps are not easy to clamp the damaged position of the sample; the first clamping rod is sleeved with the first supporting rod in a sliding mode, the first supporting rod is not prone to being separated from the first clamping rod due to the arrangement of the first locking assembly, the second clamping rod is sleeved with the second supporting rod in a sliding mode, and the second supporting rod is not prone to being separated from the second clamping rod due to the arrangement of the second locking assembly.

The utility model discloses further set up to: external threads are formed in two ends of the first supporting rod, the first locking assembly comprises two first locking nuts, and the two first locking nuts are respectively in threaded connection with two ends of the first supporting rod.

Through adopting above-mentioned technical scheme, the setting up of first lock nut makes first bracing piece be difficult for breaking away from with the first clamping bar of two material taking clamps to realize improving the purpose of extracting device stability.

The utility model discloses further set up to: external threads are formed in two ends of the second supporting rod, the second locking assembly comprises two second locking nuts, and the two second locking nuts are in threaded connection with two ends of the second supporting rod respectively.

Through adopting above-mentioned technical scheme, the setting up of second lock nut makes the second bracing piece be difficult for deviating from the second clamping bar of two material taking clamps to realize further improving the purpose of extracting device stability.

The utility model discloses further set up to: and the first supporting rod and the second supporting rod are respectively and fixedly connected with a handheld rod.

Through adopting above-mentioned technical scheme, the setting up of handheld pole is convenient for the user to grip handheld pole operation first bracing piece, second bracing piece.

The utility model discloses further set up to: the handheld rod is provided with anti-skid lines.

Through adopting above-mentioned technical scheme, anti-skidding line has been seted up to handheld pole for when the user grips handheld pole, the difficult phenomenon of skidding that produces.

To sum up, the utility model discloses a beneficial technological effect does:

the two material taking clamps are arranged, so that a user can conveniently take two ends of a material by using the two material taking clamps, the sample is clamped while the damage to the sample is reduced, and the purpose of taking down the sample by the user is realized;

the setting of axis of rotation for the user rotates the distance between two material clamps of getting of sleeve adjustment, thereby is applicable to the clamp of the different positions of sample and gets, has improved sampling device's application scope.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Reference numerals: 100. a rotating shaft; 110. fixing the rod; 120. a travel bar; 130. a sleeve; 200. a material taking clamp; 210. a first clamping bar; 220. a second clamping bar; 300. an adjustment assembly; 310. a first support bar; 320. a second support bar; 400. a first locking nut; 500. a second locking nut; 600. the rod is held in the hand.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a sampling device of an unconfined compressive strength tester includes two material taking clamps 200 for taking materials and a rotating shaft 100 connecting the two material taking clamps 200.

The material taking clamp 200 comprises a first clamping rod 210 and a second clamping rod 220, the first clamping rod 210 is welded with the rotating shaft 100, the second clamping rod 220 is rotatably connected with the first clamping rod 210 by taking the rotating shaft 100 as a hinge point, and the rotating shaft 100 is provided with an adjusting component 300 for synchronously adjusting the rotating angles of the first clamping rod 210 and the second clamping rod 220 of the two material taking clamps 200.

The adjusting assembly 300 includes a first supporting rod 310, one end of each of the two first clamping rods 210 is slidably sleeved on the first supporting rod 310, and a first locking assembly for locking a sliding distance between the first clamping rod 210 and the first supporting rod 310 is disposed on the first supporting rod 310. External threads are formed at two ends of the first supporting rod 310, and the first locking component comprises a first locking nut 400 which is in threaded connection with two ends of the first supporting rod 310.

The adjusting assembly 300 further includes a second supporting rod 320, the two second clamping rods 220 are slidably sleeved on the second supporting rod 320, and a second locking assembly for locking the sliding distance between the second supporting rod 320 and the second clamping rod 220 is disposed on the second supporting rod 320. External threads are formed at both ends of the second support rod 320, and the second locking assembly comprises a second locking nut 500 in threaded connection with both ends of the second support rod 320.

In order to facilitate the user to use the sampling device, the first supporting rod 310 and the second supporting rod 320 are respectively welded with the handheld rod 600, and the handheld rod 600 is provided with anti-slip patterns, so that the user is not easy to slip when holding the handheld rod 600.

The rotating shaft 100 includes a moving rod 120 connected to one set of the material taking clamp 200, a fixing rod 110 connected to the other set of the material taking clamp 200, and a sleeve 130 for connecting the moving rod 120 and the fixing rod 110, wherein external threads are respectively formed at one end of the moving rod 120 close to the fixing rod 110, the external threads on the fixing rod 110 and the moving rod 120 are reverse threads, and two-way threads are formed on the inner wall of the sleeve 130 and are in threaded connection with the moving rod 120 and the fixing rod 110. Rotating sleeve 130, because of the limiting action of material taking clamp 200 and first bracing piece 310, second bracing piece 320, make carriage release lever 120 and dead lever 110 to the direction that is close to each other or keeps away from each other remove, drive first clamping bar 210 and second clamping bar 220 of two material taking clamps 200 and slide along first bracing piece 310, second bracing piece 320 length direction respectively, thereby realize the purpose of changing the interval between two material taking clamps 200, convenient to use person adjusts the interval of two material taking clamps 200 as required, the application scope of extracting device has been improved.

The implementation principle of the embodiment is as follows: according to the sample destruction situation, the sleeve 130 is rotated, so that the moving rod 120 and the fixed rod 110 respectively drive the two material taking clamps 200 to move in the directions away from or close to each other until the distance between the two material taking clamps 200 can enable the two sets of the first clamping rods 210 and the second clamping rods 220 to be located at the positions where the sample is not destroyed, then the hand-held rod 600 is pulled to enable the first clamping rods 210 and the second clamping rods 220 to be located at the two sides of the sample respectively, and the hand-held rod 600 is pulled to enable the first clamping rods 210 and the second clamping rods 220 to be abutted to the sample to clamp the sample.

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 a sampling device of no confined compressive strength apparatus, its characterized in that includes axis of rotation (100), two material taking clamp (200) that set gradually along axis of rotation (100) axial, two material taking clamp (200) parallel arrangement, material taking clamp (200) include first clamping bar (210), second clamping bar (220), first clamping bar (210) and axis of rotation (100) fixed connection, second clamping bar (220) use axis of rotation (100) to rotate with first clamping bar (210) for changeover point and are connected, be provided with first clamping bar (210) and second clamping bar (220) turned angle's adjusting part (300) that is used for synchronous adjustment two material taking clamp (200) on axis of rotation (100).

2. The sampling device of the unconfined compressive strength tester of claim 1, wherein the adjusting assembly (300) comprises a first support rod (310) and a second support rod (320), one end of each of the two first clamping rods (210) is sleeved on the first support rod (310), and one end of each of the two second clamping rods (220) is sleeved on the second support rod (320).

3. The sampling device of the unconfined compressive strength tester of claim 2, wherein one end of the first clamping rod (210) far away from the first support rod (310) is arc-shaped, one end of the second clamping rod (220) far away from the second support rod (320) is arc-shaped, and abutting surfaces of the first clamping rod (210), the second clamping rod (220) and the sample are provided with elastic layers.

4. The sampling device of the unconfined compressive strength tester as claimed in claim 2, wherein the rotating shaft (100) comprises a moving rod (120), a fixing rod (110) and a sleeve (130), the moving rod (120) is connected with one group of the material taking clamps (200), the fixing rod (110) is connected with the other group of the material taking clamps (200), the moving rod (120) is connected with the fixing rod (110) through the sleeve (130), the inner wall of the sleeve (130) is provided with a bidirectional thread, the moving rod (120) and the fixing rod (110) are respectively provided with an external thread in threaded connection with the sleeve (130), the first clamping rod (210) is slidably sleeved with the first supporting rod (310) along the length direction of the first supporting rod (310), the second clamping rod (220) is slidably sleeved with the second supporting rod (320) along the length direction of the second supporting rod (320), the first supporting rod (310) is provided with a first locking component for locking the sliding distance between the first clamping rod (210) and the first supporting rod (310), and the second supporting rod (320) is provided with a second locking component for locking the sliding distance between the second clamping rod (220) and the second supporting rod (320).

5. The sampling device of the unconfined compressive strength tester is characterized in that both ends of the first supporting rod (310) are externally threaded, the first locking component comprises two first locking nuts (400), and the two first locking nuts (400) are respectively in threaded connection with both ends of the first supporting rod (310).

6. The sampling device of the unconfined compressive strength tester is characterized in that the two ends of the second supporting rod (320) are externally threaded, the second locking assembly comprises two second locking nuts (500), and the two second locking nuts (500) are respectively in threaded connection with the two ends of the second supporting rod (320).

7. The sampling device of the unconfined compressive strength tester of claim 4, wherein the first support rod (310) and the second support rod (320) are fixedly connected with a handheld rod (600) respectively.

8. The sampling device of the unconfined compressive strength tester of claim 7, wherein the hand-held rod (600) is provided with anti-skid lines.