CN218157482U

CN218157482U - Impact rolling model test device

Info

Publication number: CN218157482U
Application number: CN202222205449.4U
Authority: CN
Inventors: 张建华; 汪大鹏; 金栋
Original assignee: Zhejiang Non Ferrous Geophysical Technology Application Research Institute Co ltd
Current assignee: Zhejiang Non Ferrous Geophysical Technology Application Research Institute Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-12-27
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses an impact rolling model test device, which comprises a main body, a power assembly, a switching mechanism and a rolling mechanism, wherein the main body comprises an inner cavity, a foundation to be tested is stored in the inner cavity, racks are arranged on two sides of the upper part of the main body, and the power assembly is positioned on the upper part of the main body and can reciprocate along the racks; the switching mechanism is fixed on two sides of the power assembly and comprises a supporting plate transversely arranged along the width direction of the main body, an installation block is sleeved on the outer side of the supporting plate and fixedly connected with the rolling mechanism, and the rolling mechanism is reversely arranged towards the power assembly; the rolling mechanism comprises a rolling wheel, and the power assembly moves to drive the rolling wheel to roll on the upper part of the foundation to be tested. The utility model discloses a power component drives the mechanism that rolls that is located its both sides and removes and to make a round trip to roll and automatic re-setting experiment ground surface, has improved the effect of rolling greatly, has improved the accuracy of experiment.

Description

Impact rolling model test device

Technical Field

The utility model belongs to the technical field of civil engineering analogue test device technique and specifically relates to an impact model test device that rolls is related to.

Background

The impact or rolling is a shallow foundation treatment method widely applied at present, the research on the foundation reinforcement technology is basically limited to the analysis of field tests and engineering experiences at present, but the reinforcement mechanism is not very clear, so the method is an effective method for researching the impact or rolling micro mechanism by virtue of an indoor model test;

the current impact rolling model test equipment discloses an impact rolling model test device and usage as application publication No. CN102661615A, it is equipped with a drive arrangement, drive arrangement connects the haulage rope, and can carry out the rolling to the haulage rope, the haulage rope other end is connected with the rolling wheel, can stimulate the rolling wheel to roll the ground in the model through rolling the haulage rope, need to stimulate the rolling wheel after rolling the completion and make it reset, this kind of mode can only carry out one-way rolling to experimental foundation surface, still need manually reset it after rolling the completion, consequently, need improve this badly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide an impact and roll model test device, drive the rolling mechanism who is located its both sides through power component and remove and can make a round trip to roll and automatic re-setting to experiment ground surface, improved greatly and rolled the effect, improved the accuracy of experiment.

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

an impact rolling model test device comprises a main body, a power assembly, a switching mechanism and a rolling mechanism, wherein the main body comprises an inner cavity, a foundation to be tested is stored in the inner cavity, racks are arranged on two sides of the upper part of the main body, and the power assembly is located on the upper part of the main body and can move back and forth along the racks;

the switching mechanism is fixed on two sides of the power assembly and comprises a supporting plate transversely arranged along the width direction of the main body, an installation block is sleeved on the outer side of the supporting plate and fixedly connected with the rolling mechanism, and the rolling mechanism is reversely arranged towards the power assembly;

the rolling mechanism comprises a rolling wheel, and the power assembly moves to drive the rolling wheel to roll on the upper part of the foundation to be tested.

The power component comprises a bottom plate, driving motor is installed on the upper portion of the bottom plate, the driving motor can provide power moving along the rack for the power component, shafts are arranged on two sides of the driving motor, first driven wheels are fixed at two ends of each shaft, the first driven wheels are meshed with the racks, the driving motor is connected with the shafts on one side through first belts, and the shafts on two sides of the driving motor are connected through second belts.

Second driven wheels are fixed at the positions, close to the first driven wheels, of the two sides of the shaft, a driving wheel is fixed on a driving shaft of the driving motor, the driving wheel is in transmission connection with one of the second driven wheels on one side shaft through a first belt, the other second driven wheel on the side shaft is in transmission connection with the second driven wheel on the other side shaft through a second belt,

the bottom plate is located the rack top, the bottom plate is including supplying the first through-hole that passes from the driving wheel, first from running through the through-hole and with rack toothing from the driving wheel lower part, four angle departments on main part upper portion are fixed with the arch, and two archs that are located the homonymy are connected through the guide bar, the bottom plate both sides are fixed with the guide block, both sides the guide block overlaps respectively and is established on the guide bar of both sides, the guide block can remove along the guide bar.

The main part upper portion is close to rack both ends department and is fixed with the buffer block, the buffer block includes the second slope, the slope of second slope sets up downwards, the bottom plate lower part can butt buffer block upper portion or break away from the buffer block.

The utility model discloses a sensor, including main part upper portion, main part top, the blotter is equipped with the blotter, the blotter is located between two racks, the blotter includes the first slope to the inner chamber slope, the inner chamber is inserted to first slope lower part, the rolling wheel can the butt or break away from the blotter, the main part side is close to blotter department and is equipped with the sensor that targets in place, and when power component moved to sensor the place ahead that targets in place, driving motor stop work.

The number of the inner cavities is at least two, and the adjacent two inner cavities are separated by a partition plate.

One side of the mounting block, which is far away from the power assembly, is fixed with a supporting rod, and the rolling mechanism is fixedly connected with the supporting rod.

The rolling mechanism still includes the connecting rod, connecting rod and rolling wheel roll connection, the rolling wheel is run through at the connecting rod both ends, the connecting rod both ends are connected with the swinging arms, the one end that the connecting rod was kept away from to the swinging arms is connected with the pivot jointly, the swinging arms can rotate along the pivot, the bracing piece lower part is equipped with the fixed block, the pivot run through the fixed block and with fixed block fixed connection.

The beneficial effects of the utility model are that:

rolling mechanism quantity is two, be located power component's both sides respectively, when driving motor drives the drive wheel and rotates, can synchronous drive through first belt be located left axle and rotate, when being located left axle and rotating, can drive the axle on right side through the second belt and carry out the synchronization, the rotation of syntropy, and through the meshing of first driven wheel and rack, when first driven wheel rotates, can drive power component and remove along the rack, thereby it rolls the ground surface to drive the rolling wheel impact, positive and negative rotation through control driving motor, not only can realize the rolling wheel and roll the effect at ground surface both-way impact, the automatic re-setting that can also realize power component, greatly improved test efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic structural view of a power assembly;

fig. 5 is an exploded view of the power assembly.

In the figure: the device comprises a main body 1, an inner cavity 11, a partition plate 12, a cushion pad 13, a first slope 131, a protrusion 14, a guide rod 15, a rack 16, a buffer block 17, a second slope 171, a position sensor 18, a power assembly 2, a bottom plate 21, a through hole 211, a guide block 212, a sleeve ring 213, a driving motor 22, a driving wheel 221, a shaft 23, a first driven wheel 231, a second driven wheel 232, a first belt 24, a second belt 25, a cover 26, a switching mechanism 3, a supporting plate 31, a mounting block 32, a supporting rod 33, a fixing block 34, a rolling mechanism 4, a rolling wheel 41, a connecting rod 42, a swinging rod 43, a rotating shaft 44 and an operating platform 5.

Detailed Description

The invention will be further described with reference to the following drawings and detailed description:

in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplified description, and do not indicate or imply that the referred device or unit must have a specific direction, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, an impact rolling model test device comprises a main body 1, a power assembly 2, an adapter mechanism 3 and a rolling mechanism 4, wherein the main body 1 comprises an inner cavity 11, a foundation to be tested (a dotted line a in fig. 3 is a foundation surface) is stored in the inner cavity 11, a road foundation structure can be simulated by laying a foundation consistent with a road surface in the inner cavity 11, racks 16 are arranged on two sides of the upper part of the main body 1, and the power assembly 2 is positioned on the upper part of the main body 1 and can reciprocate along the racks 16;

1 side of main part still is equipped with operation panel 5, can control the sky through operation panel 5 the utility model discloses work.

The switching mechanisms 3 are fixed on two sides of the power assembly 2, each switching mechanism 3 comprises a supporting plate 31 transversely arranged along the width direction of the main body 1, an installation block 32 is sleeved on the outer side of each supporting plate 31, each installation block 32 is fixedly connected with the rolling mechanism 4, and the rolling mechanisms 4 are reversely arranged towards the power assembly 2;

rolling mechanism 4 includes rolling wheel 41, power component 2 removes and to drive rolling wheel 41 rolls on the foundation upper portion of awaiting measuring, and rolling wheel 41 has multiple specification, and the weight of every kind of specification, width all are different, impact through rolling wheel 41 to the inside foundation of cavity 11 and roll, simulate out the impact condition of rolling at real road surface foundation to can study the reinforcement technology of foundation.

As shown in fig. 4, the power assembly 2 includes a bottom plate 21, a cover 26 covers the top of the bottom plate 21, each component on the top of the bottom plate 21 can be covered by the cover 26, a driving motor 22 is mounted on the top of the bottom plate 21, the driving motor 22 can provide power for the power assembly 2 to move along the rack 16, shafts 23 are disposed on both sides of the driving motor 22, a bearing seat (not shown in the figure) is mounted on the top of the bottom plate 21, the shafts 23 are connected with the bearing seat through bearings, first driven wheels 231 are fixed on both ends of the shafts 23, the first driven wheels 231 are engaged with the rack 16, the bottom plate 21 is located above the rack 16, the bottom plate 21 includes through holes 211 through which the first driven wheels 231 can pass, the lower portions of the first driven wheels 231 pass through the through holes 211 and are engaged with the rack 16, the driving motor 22 is connected with the shafts 23 on one side through first belts 24, and the shafts 23 on both sides of the driving motor 22 are connected through second belts 25;

specifically, second driven wheels 232 are fixed on two sides of the shaft 23 near the first driven wheels 231, a driving wheel 221 is fixed on a driving shaft of the driving motor 22, the driving wheel 221 is in transmission connection with one of the second driven wheels 232 on one side shaft 23 through a first belt 24, and the other second driven wheel 232 on the side shaft 23 is in transmission connection with the second driven wheel 232 on the other side shaft 23 through a second belt 25;

as shown in fig. 4, the number of rolling mechanisms 4 is two, and the rolling mechanisms are respectively located on two sides of the power assembly 2, when the driving motor 22 drives the driving wheel 221 to rotate, the shaft 23 located on the left side can be synchronously driven to rotate through the first belt 24, when the shaft 23 located on the left side rotates, the shaft on the right side can be driven to synchronously rotate in the same direction through the second belt 25, and through the engagement of the first driven wheel 231 and the rack 16, when the first driven wheel 231 rotates, the power assembly 2 can be driven to move along the rack 16, so that the rolling wheel 41 is driven to impact and roll the ground surface.

As shown in fig. 1 and 4, four corners of the upper portion of the main body 1 are fixed with protrusions 14, two protrusions 14 located on the same side are connected through guide rods 15, guide blocks 212 are fixed on two sides of the bottom plate 21, the guide blocks 212 are respectively sleeved on the guide rods 15 on two sides, the guide blocks 212 can move along the guide rods 15, lantern rings 213 are fixed in the guide blocks 212, the guide rods 15 penetrate through the lantern rings 213, and the power assembly 2 can be vertically limited through the cooperation between the guide blocks 212 and the guide rods 15, so that the power assembly 2 can be better moved.

As shown in fig. 1-3, two sides of the upper part of the main body 1 are provided with buffer pads 13, wherein the surface of the buffer pads 13 is made of rubber, which can play a good anti-skid role and increase the friction force with the rolling wheels 41, the buffer pads 13 are located between the two racks 16, the rolling wheels 41 can be abutted against or separated from the buffer pads 13, the side of the main body 1 near the buffer pads 13 is provided with a position sensor 18, and when the power assembly 2 moves to the front of the position sensor 18, the driving motor 22 stops working;

specifically, as shown in fig. 1, after one rolling operation is finished, that is, when the power assembly 2 moves from the left side to the right side and moves in front of the in-position sensor 18, the driving motor 22 stops operating, and due to inertia of the power assembly 2, when the driving motor 22 stops operating, the power assembly 2 also moves to the right side, and at this time, the rolling wheel 41 rolls to the upper part of the cushion pad 13, so that the power assembly 2 can be stopped in time through the friction resistance between the cushion pad 13 and the rolling wheel 41, and the safety of the movement of the power assembly 2 is greatly improved.

The cushion pad 13 comprises a first slope 131 inclining towards the inner cavity 11, the lower part of the first slope 131 is inserted into the inner cavity 11, and the first slope 131 inclining downwards is arranged, so that the rolling wheel 4 is effectively prevented from colliding with the side surface of the cushion pad 13, and the rolling wheel 4 can be guided.

As shown in fig. 1 and 2, the buffer blocks 17 are fixed on the upper portion of the main body 1 near two ends of the rack 16, the buffer blocks 17 are rubber pieces, the buffer blocks 17 include second slopes 171, the second slopes 171 are arranged obliquely downward, the lower portion of the base plate 21 can abut against the upper portion of the buffer blocks 17 or be separated from the buffer blocks 17, specifically, the upper portion of the buffer blocks 17 is in a tight fit state with the base plate 21, the upper portion of the buffer blocks 17 is arranged obliquely upward toward the center of the main body 1, because the states of rolling at different speeds need to be tested in the simulation rolling process, the moving speed of the power assembly 2 is different, when the power assembly 2 moves too fast, and the cushion 13 is not enough to stop the power assembly 2, the base plate 21 moves to continue to move and press the buffer blocks 17 after the upper portion of the buffer blocks 17 contacts with the buffer blocks 17, because the upper and lower positions of the base plate 21 are limited by the guide rods 15, the resistance to the buffer blocks 17 is increased when the power assembly 2 moves away from the center of the main body 1, and the design can effectively ensure that the power assembly 2 can stop in time.

Inner chamber 11 quantity is two at least, adjacent two inner chamber 11 passes through baffle 12 and keeps apart, forms a plurality of inner chambers 11 through baffle 12, can place different foundations in every inner chamber 11 to can once only roll the operation to different ground surfaces, improve experimental speed and efficiency greatly.

Due to different firmness of different foundation surfaces, when the rolling wheel 41 sinks too much during rolling, even if the rolling wheel 41 is guided by the first slope 131, the rolling wheel 41 still has the possibility of impacting the side surface of the cushion pad 13, and the switching mechanism 3 can play a role in buffering when collision occurs, so that the damage of parts is prevented;

as shown in fig. 5, one side of the mounting block 32 far away from the power assembly 2 is fixed with a support rod 33, the rolling mechanism 4 and the support rod 33 are fixedly connected, specifically, the rolling mechanism 4 further includes a connecting rod 42, the connecting rod 42 and the rolling wheel 41 can be connected through a bearing in a rolling manner, the rolling wheel 41 is penetrated through two ends of the connecting rod 42, two ends of the connecting rod 42 are connected with a swing rod 43, the connecting rod 42 and the swing rod 43 are fixedly connected through a nut, one end of the swing rod 43 far away from the connecting rod 42 is connected with a rotating shaft 44 together, the swing rod 43 can rotate along the rotating shaft 44 and is limited through the nut, the nut is located outside the swing rod 43, and therefore, when the rolling wheel 41 is suspended, the swing rod 43 can rotate along the rotating shaft 44, so that the rolling wheel 41 naturally droops, and through the above design, when performing impact rolling, the weight of the rolling mechanism 4 is the weight born on the ground surface, so that the rolling test under different conditions can be simulated by replacing different rolling wheels 41, and the test effect can be improved.

The lower portion of the support rod 33 is provided with a fixing block 34, and the rotating shaft 44 penetrates through the fixing block 34 and is fixedly connected with the fixing block 34, and can be fixed by welding.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an impact rolls model test device which characterized in that: the device comprises a main body (1), a power assembly (2), a switching mechanism (3) and a rolling mechanism (4), wherein the main body (1) comprises an inner cavity (11), a foundation to be tested is stored in the inner cavity (11), racks (16) are arranged on two sides of the upper part of the main body (1), and the power assembly (2) is located on the upper part of the main body (1) and can move back and forth along the racks (16);

the switching mechanism (3) is fixed on two sides of the power assembly (2), the switching mechanism (3) comprises a supporting plate (31) transversely arranged along the width direction of the main body (1), an installation block (32) is sleeved on the outer side of the supporting plate (31), the installation block (32) is fixedly connected with the rolling mechanism (4), and the rolling mechanism (4) is reversely arranged towards the power assembly (2);

rolling mechanism (4) are including rolling wheel (41), power component (2) remove can drive rolling wheel (41) are at the foundation upper portion roll that awaits measuring.

2. The impact compaction model test apparatus of claim 1, wherein: power component (2) include bottom plate (21), driving motor (22) are installed on bottom plate (21) upper portion, driving motor (22) can provide the power that removes along rack (16) for power component (2), driving motor (22) both sides are equipped with axle (23), axle (23) both ends are fixed with first from driving wheel (231), first from driving wheel (231) and rack (16) meshing, driving motor (22) are connected through first belt (24) with axle (23) of one side, and axle (23) that are located driving motor (22) both sides are connected through second belt (25).

3. The impact compaction model test apparatus of claim 2, wherein: second driven wheels (232) are fixed on two sides of the shaft (23) close to the first driven wheels (231), a driving wheel (221) is fixed on a driving shaft of the driving motor (22), the driving wheel (221) is in transmission connection with one of the second driven wheels (232) on the shaft (23) on one side through a first belt (24), and the other second driven wheel (232) on the shaft (23) on the other side is in transmission connection with the second driven wheel (232) on the shaft (23) on the other side through a second belt (25).

4. The impact compaction model test apparatus of claim 2, wherein: bottom plate (21) are located rack (16) top, bottom plate (21) are including supplying first through-hole (211) of following driving wheel (231) to pass, first follow driving wheel (231) lower part runs through-hole (211) and meshes with rack (16), main part (1) upper portion four corners departments are fixed with arch (14), and two arch (14) that are located the homonymy are connected through guide bar (15), bottom plate (21) both sides are fixed with guide block (212), both sides guide block (212) are established respectively on both sides guide bar (15), guide block (212) can remove along guide bar (15).

5. The impact compaction model test apparatus of claim 2, wherein: main part (1) upper portion is close to rack (16) both ends department and is fixed with buffer block (17), buffer block (17) include second slope (171), second slope (171) slope sets up downwards, bottom plate (21) lower part can butt buffer block (17) upper portion or break away from buffer block (17).

6. The impact compaction model test device of claim 5, wherein: the utility model discloses a rolling machine, including main part (1), main part (1) upper portion both sides are equipped with blotter (13), blotter (13) are located between two racks (16), blotter (13) are including first slope (131) to inner chamber (11) slope, first slope (131) lower part is inserted in inner chamber (11), rolling wheel (41) can butt or break away from blotter (13), main part (1) side is close to blotter (13) department and is equipped with sensor (18) in place, and when power component (2) moved to sensor (18) the place ahead in place, driving motor (22) stop work.

7. The impact compaction model test device of claim 1, wherein: the number of the inner cavities (11) is at least two, and two adjacent inner cavities (11) are separated by a partition plate (12).

8. The impact compaction model test apparatus of claim 2, wherein: one side of the mounting block (32) far away from the power component (2) is fixed with a support rod (33), and the rolling mechanism (4) is fixedly connected with the support rod (33).

9. The impact compaction model test apparatus of claim 8, wherein: rolling mechanism (4) still include connecting rod (42), connecting rod (42) and rolling wheel (41) roll connection, rolling wheel (41) are run through at connecting rod (42) both ends, connecting rod (42) both ends are connected with swinging arms (43), the one end that connecting rod (42) were kept away from in swinging arms (43) is connected with pivot (44) jointly, swinging arms (43) can rotate along pivot (44), bracing piece (33) lower part is equipped with fixed block (34), pivot (44) run through fixed block (34) and with fixed block (34) fixed connection.