CN210690177U

CN210690177U - Compaction instrument easy to demould

Info

Publication number: CN210690177U
Application number: CN201921521613.4U
Authority: CN
Inventors: 娄靖雪; 冯程鑫; 何腾; 王天倚
Original assignee: China Three Gorges University CTGU
Current assignee: China Three Gorges University CTGU
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-05
Anticipated expiration: 2029-09-12

Abstract

The utility model provides an appearance is done in hitting of easy demoulding, including hitting a real section of thick bamboo, hit a real section of thick bamboo and place on the base, the base passes through the link and connects the box, box one side is equipped with driving motor, driving motor's output and first pivot are connected, be equipped with incomplete gear on the first pivot, first pivot below is equipped with the second pivot, be equipped with the gear in the second pivot, incomplete gear and gear engagement are equipped with the beating rod that reciprocates in the box, be equipped with on the beating rod with incomplete gear and gear engagement's rack, beating rod lower extreme is equipped with hits real hammer, hits real hammer setting directly over hitting a real section of thick bamboo, hit a real section of thick bamboo and constitute tubular structure by a plurality of arcs, the arc outside is equipped with the connecting plate, the connecting plate of adjacent arc passes through bolted connection. The instrument is convenient to demould the compacted soil sample, and the experimental efficiency is improved.

Description

Compaction instrument easy to demould

Technical Field

The utility model belongs to geotechnique's experiment device, in particular to real appearance is hit of easy demoulding.

Background

The compaction device consists of a compaction hammer with specified weight, a guide rod and a compaction cylinder. During test, test soil sample mixed with certain water amount is filled into the compaction cylinder layer by layer, each layer is compacted by a hammer to measure the dry volume weight and water content of the compaction soil sample, and the water content is changed to repeat the above process, so that the relation between compaction effect (expressed by dry volume weight) and water content under certain compaction function can be obtained.

At present, in a soil compaction test in a laboratory, the compactibility of the soil is increased mainly by a circular hammer in a striking mode. The mode has poor compaction effect, insufficient compaction and longer compaction time; the demolding is complicated, the time is consumed, and the efficiency is low.

The compaction device applied in the existing laboratory consumes time, and is not beneficial to continuous operation of experiments due to low efficiency in the experiments with large requirements on compaction amount of soil samples.

Disclosure of Invention

The utility model aims to solve the technical problem that a hit real appearance of easy demoulding is provided, the convenience is demoulded hitting real soil sample, improves the experimental efficiency.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides an easy demoulding's hit real appearance, is including hitting a real section of thick bamboo, hit a real section of thick bamboo and place on the base, the base passes through the link and connects the box, box one side is equipped with driving motor, driving motor's output and first pivot are connected, be equipped with incomplete gear on the first pivot, first pivot below is equipped with the second pivot, be equipped with the gear in the second pivot, incomplete gear and gear engagement are equipped with the hitting rod that reciprocates in the box, be equipped with on the hitting rod with incomplete gear and gear engagement's rack, hit the rod lower extreme and be equipped with and hit real hammer, hit real hammer setting directly over hitting a real section of thick bamboo, hit a real section of thick bamboo and constitute tubular structure by a plurality of arcs, the arc outside is equipped with the connecting plate, the connecting plate of adjacent arc passes.

In the preferred scheme, the both sides of arc all are equipped with first closing plate and second closing plate, the inboard parallel and level of inboard and the arc of first closing plate, and the second closing plate setting of arc is in the outside rather than the first closing plate of adjacent arc.

In a preferred scheme, a placing groove for placing the compaction cylinder is arranged on the base.

In the preferred scheme, a sliding frame is arranged in the box body, a sliding groove is formed in the sliding frame, and a limiting frame matched with the sliding groove is arranged on the striking rod.

In the preferred scheme, the lower end of the beating rod is provided with a threaded cylinder, the top of the beating hammer is provided with a connecting rod, and the upper end of the connecting rod is provided with an external thread matched with the threaded cylinder.

The utility model provides a pair of real appearance of hitting of easy demoulding through the cooperation of incomplete gear and rack and gear, under driving motor's drive, realizes hitting reciprocating motion about the real hammer, realizes hitting the reality to the soil sample, sets up the components of a whole that can function independently structure that the branch comprises the arc through hitting a real section of thick bamboo, conveniently carries out the drawing of patterns to the soil sample of doing well to improve experimental efficiency.

Drawings

The invention will be further explained with reference to the following figures and examples:

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

FIG. 2 is a schematic view of the internal structure of the case;

FIG. 3 is a schematic view of the transmission of a rack and pinion and a partial pinion;

FIG. 4 is a top view of the compaction cylinder;

in the figure: the compaction device comprises a compaction cylinder 1, a base 2, a connecting frame 3, a box body 4, a driving motor 5, a first rotating shaft 6, an incomplete gear 7, a compaction rod 8, a rack 9, a compaction hammer 10, a second rotating shaft 11, a gear 12, a connecting rod 13, a sliding frame 14, a limiting frame 15, a threaded cylinder 16, an arc-shaped plate 101, a connecting plate 102, a first sealing plate 103, a second sealing plate 104, a placing groove 201 and a sliding groove 1401.

Detailed Description

As shown in fig. 1 to 3, an easy-to-demold compaction apparatus includes a compaction barrel 1, the compaction barrel 1 is placed on a base 2, the base 2 is connected to a box 4 through a connecting frame 3, a driving motor 5 is disposed on one side of the box 4, an output end of the driving motor (5) is connected to a first rotating shaft 6, in this embodiment, the driving motor 5 is a speed reduction motor, the first rotating shaft 6 is rotatably mounted in the box 4 through a bearing, an incomplete gear 7 is disposed on the first rotating shaft 6, a second rotating shaft 11 is disposed below the first rotating shaft 6, a gear 12 is disposed on the second rotating shaft 11, the incomplete gear 7 is engaged with the gear 12, a compaction rod 8 capable of moving up and down is disposed in the box 4, a rack 9 engaged with the incomplete gear 7 and the gear 12 is disposed on the compaction rod 8, a compaction hammer 10 is disposed at a lower end of the compaction hammer 10 and is disposed right above the compaction barrel 1, the compaction barrel 1 is composed of a plurality of arc plates 101 to form a, the outer sides of the arc-shaped plates 101 are provided with connecting plates 102, the connecting plates 102 of the adjacent arc-shaped plates 101 are connected through bolts, in the embodiment, the number of the arc-shaped plates 101 is three, and the three arc-shaped plates 101 are assembled into a cylindrical mechanism.

When the device is used specifically, firstly, the arc-shaped plate 101 is assembled into a cylindrical structure, the compaction cylinder 1 is placed below the compaction hammer 10, a soil sample is filled in the compaction cylinder 1, the driving motor 5 is started, the driving motor 5 drives the incomplete gear 7 to rotate, the incomplete gear 7 is meshed with the rack 9 to drive the compaction rod 8 to move downwards, the incomplete gear 7 is disengaged from the rack 9, the compaction rod 8 stops moving, when the tooth part of the incomplete gear 7 rotates to be meshed with the gear 12, the gear 12 is opposite to the rotating direction of the incomplete gear 7 to drive the rack 9 and the compaction rod 8 to move upwards, and when the incomplete gear 7 is disengaged from the gear 12, the compaction rod 8 stops moving, and compaction of the soil sample is sequentially and repeatedly realized; after compaction, the bolts on the connecting plate 102 are loosened to separate the arc-shaped plates 101, so that demoulding is facilitated.

Preferably, as shown in fig. 4, a first sealing plate 103 and a second sealing plate 104 are disposed on both sides of the arc plate 101, the inner side of the first sealing plate 103 is flush with the inner side of the arc plate 101, and the second sealing plate 104 of the arc plate 101 is disposed on the outer side of the first sealing plate 103 of the arc plate 101 adjacent to the first sealing plate. The first sealing plate 103 and the second sealing plate 104 of the two adjacent arc-shaped plates 101 are arranged in a crossed and overlapped mode, so that the sealing performance between the arc-shaped plates 101 is improved.

Preferably, the base 2 is provided with a placing groove 201 for placing the compaction cylinder 1. The compaction cylinder 1 is positioned by arranging the placing groove 201, so that the compaction cylinder 1 and the compaction hammer 10 are centered on one hand, and the compaction cylinder 1 is prevented from shifting in the beating process on the other hand.

Preferably, a sliding frame 14 is arranged in the box body 4, a sliding groove 1401 is arranged on the sliding frame 14, the sliding groove 1401 is arranged on two sides of the sliding frame 14, and a limiting frame 15 matched with the sliding groove 1401 is arranged on the striking rod 8.

Through the cooperation of spacing 15 and spout 1401, can improve the stability of beating rod 8 in the in-process that reciprocates.

Preferably, the lower end of the striking rod 8 is provided with a threaded cylinder 16, the top of the compaction hammer 10 is provided with a connecting rod 13, and the upper end of the connecting rod 13 is provided with an external thread matched with the threaded cylinder 16. The compaction hammer 10 can be detached through the threaded connection of the connecting rod 13 and the threaded cylinder 16, and the compaction hammer 10 is convenient to replace.

Claims

1. The utility model provides an easy demoulding's hit real appearance, is including hitting solid section of thick bamboo (1), its characterized in that: the compaction cylinder (1) is placed on the base (2), the base (2) is connected with the box body (4) through the connecting frame (3), one side of the box body (4) is provided with the driving motor (5), the output end of the driving motor (5) is connected with the first rotating shaft (6), the first rotating shaft (6) is provided with the incomplete gear (7), the lower part of the first rotating shaft (6) is provided with the second rotating shaft (11), the second rotating shaft (11) is provided with the gear (12), the incomplete gear (7) is meshed with the gear (12), the box body (4) is internally provided with the striking rod (8) which moves up and down, the striking rod (8) is provided with the rack (9) which is meshed with the incomplete gear (7) and the gear (12), the lower end of the striking rod (8) is provided with the compaction hammer (10), the compaction hammer (10) is arranged right above the compaction cylinder (1), the compaction cylinder (1) is formed by a plurality of arc-shaped plates (, the outer sides of the arc-shaped plates (101) are provided with connecting plates (102), and the connecting plates (102) of the adjacent arc-shaped plates (101) are connected through bolts.

2. The easy-to-demould compaction apparatus according to claim 1, wherein: the both sides of arc (101) all are equipped with first closing plate (103) and second closing plate (104), the inboard parallel and level of inboard and arc (101) of first closing plate (103), and second closing plate (104) of arc (101) set up in the outside of first closing plate (103) rather than adjacent arc (101).

3. The easy-to-demould compaction apparatus according to claim 1, wherein: the base (2) is provided with a placing groove (201) for placing the compaction cylinder (1).

4. The easy-to-demould compaction apparatus according to claim 1, wherein: a sliding frame (14) is arranged in the box body (4), a sliding groove (1401) is arranged on the sliding frame (14), and a limiting frame (15) matched with the sliding groove (1401) is arranged on the striking rod (8).

5. The easy-to-demould compaction apparatus according to claim 1, wherein: the lower end of the beating rod (8) is provided with a threaded cylinder (16), the top of the compaction hammer (10) is provided with a connecting rod (13), and the upper end of the connecting rod (13) is provided with an external thread matched with the threaded cylinder (16).