Fixing support device for soil engineering compaction cylinder for engineering test detection

Abstract

The utility model provides a fixing support device for a soil engineering compaction barrel for engineering test detection, which belongs to the field of soil engineering compaction test devices, is used for solving the problems that in the prior art, when a soil sample is cut and compacted, the efficiency is low and potential safety hazards exist due to the fact that an operator uses limbs to control the compaction barrel, and comprises a bottom plate, a supporting rod and a hoop, a positioning groove is formed in the bottom plate, and the compaction barrel can be placed in the positioning groove; the supporting rod is perpendicularly fixed to the bottom plate, the outer wall faces of the hoops are fixedly connected with the supporting rod, the hoops are located over the positioning grooves, and at least one hoop is arranged in the length direction of the supporting rod. According to the utility model, the compaction barrel is fixed by arranging the hoop and the supporting rod, so that potential safety hazards can be avoided, the soil sample shaping time is remarkably shortened, the labor cost is saved, the soil sample quality deviation is relatively small, and meanwhile, the human error of the detection data deviation value of each soil sample is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of geotechnical compaction test device, especially, relate to a kind of engineering test detection geotechnical compaction cylinder fixed support device. BACKGROUND

[0002] Geotechnical compaction cylinder is a kind of test instrument for measuring soil density and compactness in laboratory or field, by putting a certain mass of soil into compaction cylinder, and compacting by standard compaction method, the soil density can be obtained. It is used for various types of geotechnical test compaction and soil sample preparation detection work for geotechnical bearing ratio (CBR) test detection, such as highway, construction engineering, geological survey detection, water conservancy and hydropower project detection laboratory and construction site test. It is aimed at geotechnical compaction, geotechnical bearing capacity (CBR) test detection and other fields.

[0003] The surface of the compacted soil sample in the compaction cylinder needs to be trimmed to be level and complete to reduce the weight error of each compaction soil sample. However, in the traditional method, when trimming the compacted soil sample, two workers usually cooperate, one person fixes the compaction cylinder, and the other person trims the soil sample, or one person uses his foot to control the stability of the outer wall of the compaction cylinder, and then performs trimming work. These methods not only have low efficiency, but also have safety hazards, and if not careful, the limbs can be injured. At the same time, due to the instability of manual control, it is easy to cause the surface of the compacted soil sample to be trimmed unevenly, and concave and convex surfaces appear, thereby affecting the quality of the soil sample. In addition, long-time manual operation will exhaust the physical strength of the workers, further increasing the risk of operation error, resulting in large quality deviation of the compacted soil sample, which does not meet the specification requirements. CONTENT OF THE UTILITY MODEL

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a kind of engineering test detection geotechnical compaction cylinder fixed support device, to solve the problem of low efficiency and safety hazards when trimming the compacted soil sample in the prior art.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a kind of engineering test detection geotechnical compaction cylinder fixed support device, including bottom plate, support rod, clamp hoop, the bottom plate is equipped with positioning groove, the compaction cylinder can be put into the positioning groove;The support rod is vertically fixed on the bottom plate, the outer wall surface of the clamp hoop is fixedly connected with the support rod, the clamp hoop is located directly above the positioning groove, and at least one clamp hoop is provided along the length direction of the support rod.

[0006] Optionally, at least one annular groove is formed in the inner wall of the clamp hoop, and an annular rubber strip is fixedly installed in each annular groove.

[0007] Optionally, the base plate is rotationally connected with the base.

[0008] Optionally, a rotating shaft is fixedly arranged at the center of the base, and a connecting hole is arranged at the center of the bottom of the base plate, and the rotating shaft rotationally matches with the connecting hole.

[0009] Optionally, a plurality of support rods are arranged along the edge of the positioning groove, a plurality of mounting pieces are fixedly arranged on the outer wall surface of the hoop, the mounting pieces are fixedly connected with the support rods, and the mounting pieces are detachably connected with the support rods.

[0010] Optionally, the mounting pieces are fixedly connected with the support rods through bolts.

[0011] Optionally, the surface of the support rod is provided with threads, a through hole is formed in the mounting piece, the support rod passes through the through hole, fastening nuts are arranged on the upper and lower sides of the mounting piece, and the two fastening nuts and the support rod are in threaded connection.

[0012] Optionally, the support rod is a telescopic rod.

[0013] Optionally, the base plate is disc-shaped.

[0014] Optionally, the edge of the positioning groove of the base plate is provided with a casing.

[0015] As described above, the utility model engineering test detects geotechnical compaction cylinder fixed support device at least has following beneficial effect:

[0016] 1. The utility model discloses a hoop, which can fix the compaction cylinder, fix the geotechnical compaction cylinder, and prevent the compaction cylinder from shaking when cutting and compacting the soil sample, ensure that the compaction sample does not shake and vibrate during cutting and shaping, avoid the compaction degree of the compaction soil sample in the compaction cylinder from being disturbed again, reduce the error of the soil sample flatness, ensure that the compaction soil sample is smooth, complete and horizontal when testing, reduce the weight error of each compaction soil sample, and ensure that the compaction cylinder soil sample testing data error meets the specification requirements.

[0017] 2. The utility model discloses a pedal and a base, which can fix the compaction cylinder by stepping on the pedal without directly fixing the compaction cylinder with the limbs of the operator when cutting and compacting the soil sample, and can stably work, reduce the labor of the tester, and one person can conveniently and quickly complete the cutting work of the compaction soil sample, avoid safety hazards, and improve the efficiency of cutting and shaping the compaction soil sample. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 The utility model discloses an engineering test detects geotechnical compaction cylinder fixed support device's three-dimensional structure schematic diagram.

[0019] Fig. 2 A schematic diagram of the engineering test detection soil compaction cylinder fixing support device with a rotatable structure in the embodiment of the utility model is shown.

[0020] Fig. 3 A front view of the engineering test detection soil compaction cylinder fixing support device with a rotatable structure in the embodiment of the utility model is shown.

[0021] Element number explanation

[0022] Base plate-1, hoop-2, support rod-3, pedal-4, base-5, fastening bolt-6, mounting-7, casing-8, rotating shaft-9, rubber strip-10 DETAILED DESCRIPTION

[0023] The following specific embodiments illustrate the implementation of the utility model, and those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification.

[0024] Please refer to Figs. 1-3 It should be understood that the structure, proportion, size, etc. shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions of the implementation of the utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" in the specification are only for the convenience of clear understanding of the description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of the relative relationship, without substantial change of technical content, is also regarded as the scope of the implementation of the utility model.

[0025] The following embodiments are only for example. The various embodiments can be combined, which are not limited to the content shown in the following single embodiment.

[0026] Please refer to Figs. 1-3The utility model provides a kind of engineering test detects geotechnical compaction cylinder fixed support device, including bottom plate 1, support rod 3, hoop 2, the bottom plate 1 is equipped with positioning recess, the compaction cylinder can be placed in the positioning recess (positioning recess and compaction cylinder size adaptation, make it fixed on bottom plate 1 not easy to shake);Support rod 3 is vertically fixed on the bottom plate 1, the outer wall of the hoop 2 is fixedly connected with support rod 3 (the hoop 2 uses prior art, including two half rings, one end is hinged, the other end is detachably connected by buckle or bolt), the hoop 2 is located above the positioning recess, at least one hoop 2 is provided along the length direction of support rod 3 (hoop 2 is used to fix compaction cylinder, avoid compaction cylinder to shake when trimming soil sample, can be provided with one or more hoop 2 fixed compaction cylinder, compaction cylinder is fixed more stable);At least one annular groove is opened in the inner wall of the hoop 2, and annular rubber strip 10 is fixedly installed in each annular groove (the rubber strip 10 of the inner wall of the hoop 2 plays the role of antiskid, can be installed one or more rubber strips 10, so that compaction cylinder is fixed more stable, ensure that it does not shake when cutting compaction soil sample, does not swing and vibrate randomly in the operation process to produce secondary disturbance, reduces soil sample flatness error reduction value);Several support rods 3 are arranged along the edge of the positioning recess, several mounting pieces 7 are fixedly arranged on the outer wall of the hoop 2, the mounting piece 7 is fixedly connected with the support rod 3, and the mounting piece 7 is detachably connected with the support rod 3 (support rod 3 and hoop 2 are more stable in connection, avoid device loosening during the process of cutting soil sample, can be connected by welding or bolt, nut and the like fastener);The edge of the positioning recess of the bottom plate 1 is provided with a protection cylinder 8 (the bottom of the compaction cylinder is fixed, avoid compaction cylinder to move during operation, and the fixation is strengthened).

[0027] In the embodiment, please refer to Fig. 1 The mounting piece 7 of the outer wall of the hoop 2 is welded with the support rod 3, the rammed compaction cylinder is placed in the positioning recess on the bottom plate 1 first when cutting soil sample, the hoop 2 is locked, so that the hoop 2 tightly fixes the compaction cylinder, and then the operator can cut the protruding part of the compaction cylinder. When the compaction cylinder is removed, the hoop 2 is loosened. Compared with the conventional way of fixing the compaction cylinder by directly embracing the outer wall of the compaction cylinder with the soles of the feet, the compaction cylinder is less likely to shake when cutting the compaction soil sample, and it is more safe and labor-saving.

[0028] In the embodiment, the surface of the support rod 3 is provided with threads, the mounting piece 7 is provided with a through hole, the support rod 3 passes through the through hole, and the mounting piece 7 is provided with fastening nuts on the upper and lower sides. The two fastening nuts are threadedly connected with the support rod 3. The mounting piece 7 is fixed by the upper and lower fastening nuts to adjust the position of the hoop 2, and the position can be adjusted according to the actual situation.

[0029] In the embodiment, the support rod 3 is a telescopic rod, the position of the hoop 2 can be adjusted by directly adjusting the height of the support rod 3, when the operation personnel put the compaction cylinder into the device, the support rod 3 can be adjusted to the lowest position, which is convenient for putting in, then the support rod 3 is stretched to the appropriate height according to the demand to adjust the fixing position of the hoop 2, which is more labor-saving and convenient, and can be applied to compaction cylinders with different heights.

[0030] In the embodiment, please refer to Figs. 2-3 , the bottom plate 1 is rotationally connected with the base 5, the base 5 is fixedly provided with a rotating shaft 9 at the center, the bottom plate 1 is provided with a connecting hole at the center of the bottom, the rotating shaft 9 is rotationally matched with the connecting hole, the compaction cylinder can be easily rotated when the compaction soil sample is trimmed, the rotation of the compaction cylinder is more stable, the surface of the compaction soil sample can be smoothly trimmed, the labor of the operation personnel is saved, and the compaction degree of the compaction soil sample in the compaction cylinder is prevented from being disturbed again, the bottom plate 1 is disc-shaped, the rotation of the bottom plate 1 is more convenient, and the operation personnel is prevented from being hurt during the rotation.

[0031] In summary, the utility model effectively overcomes the shortcomings in the prior art and has high industrial utilization value.

[0032] The above embodiment only exemplarily illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A fixing support device for geotechnical compaction cylinders used in engineering testing, characterized in that, The fixed support device includes: a base plate, a support rod, and a clamp. The base plate is provided with a positioning groove, and the compaction cylinder can be placed in the positioning groove. The support rod is vertically fixed to the base plate, and the outer wall of the clamp is fixedly connected to the support rod. The clamp is located directly above the positioning groove, and at least one clamp is provided along the length of the support rod.

2. The geotextile compaction cylinder fixing support device according to claim 1, characterized in that: The inner wall of the clamp is provided with at least one annular groove, and an annular rubber strip is fixedly installed in each annular groove.

3. The geotextile compaction cylinder fixing support device according to claim 1, characterized in that: It also includes pedals and a base, with several pedals provided around the perimeter of the base plate, and the base plate is rotatably connected to the base.

4. The geotechnical compaction cylinder fixing support device according to claim 3, characterized in that: The base is fixedly provided with a rotating shaft at its center, and the bottom center of the base plate is provided with a connecting hole, and the rotating shaft is rotatably engaged with the connecting hole.

5. The geotechnical compaction cylinder fixing support device according to claim 1, characterized in that: A plurality of support rods are arranged along the edge of the positioning groove, and a plurality of mounting parts are fixed on the outer wall of the clamp. The mounting parts are fixedly connected to the support rods, and the mounting parts are detachably connected to the support rods.

6. The geotextile compaction cylinder fixing support device according to claim 5, characterized in that: The mounting component is fixedly connected to the support rod by bolts.

7. The geotechnical compaction cylinder fixing support device according to claim 5, characterized in that: The support rod has threads on its surface, and the mounting component has a through hole through which the support rod passes. The mounting component has fastening nuts on both its upper and lower sides, and the two fastening nuts are threadedly engaged with the support rod.

8. The geotechnical compaction cylinder fixing support device according to claim 1, characterized in that: The support rod is a telescopic rod.

9. The geotextile compaction cylinder fixing support device according to claim 4, characterized in that: The base plate is disc-shaped.

10. The geotechnical compaction cylinder fixing support device according to claim 1, characterized in that: The bottom plate has a protective sleeve at the edge of the positioning groove.

Images