CN204282336U - The vibrating impacter of vibro replacement stone column machine - Google Patents
The vibrating impacter of vibro replacement stone column machine Download PDFInfo
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- CN204282336U CN204282336U CN201420675287.3U CN201420675287U CN204282336U CN 204282336 U CN204282336 U CN 204282336U CN 201420675287 U CN201420675287 U CN 201420675287U CN 204282336 U CN204282336 U CN 204282336U
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- rubber absorbers
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Abstract
The utility model discloses a kind of vibrating impacter of vibro replacement stone column machine, it comprises: the bumper assembly that its top is connected with guide rod, motor, by motor-driven vibrating body, wherein, motor is variable-frequency motor; Bumper assembly comprises: the rubber absorbers in tubular; Be embedded in rubber absorbers top for connecting the upper adpting flange of guide rod, being embedded in the lower adpting flange for connecting transit joint of rubber absorbers bottom; Wherein, the bonding surface of upper adpting flange and guide rod is provided with hermetically-sealed construction; Wherein, the bonding surface of lower adpting flange and transit joint is provided with lower seal structure.Vibrating impacter of the present utility model, structure is simple, easy to use, it is satisfied that to the degree of depth, more than 40 meters, the bad ground of (even the degree of depth is 90 meters) carries out the requirement of vibrosinking pile construction, stepless speed regulation can be realized, damage vibrating body when preventing vibrating body from blocking, penetration capacity is strong, greatly improves vibroflotation construction efficiency.
Description
Technical field
The utility model relates to vibro replacement stone column machine technology field, particularly relates to a kind of vibrating impacter of vibro replacement stone column machine.
Background technology
In Soft Soil Ground And Foundation consolidation process engineering, advantages such as vibro replacement stone column technique is remarkably productive with construction quality, construction technology is simple, construction cost is low, filling material wide material sources and obtain extensive use.Especially Vibro-replacement Stone Column technique has outstanding anti-seismic performance with the composite foundation of anti-liquefaction and formation and becomes the technique of designer's first-selection at earthquake Chang Faqu!
The vibrating impacter frequency of traditional vibro replacement stone column machine is fixed, and according to Different Strata regulating frequency, can not make to shake and rush pore-creating, pile driving construction efficiency processed decline, even cannot construct on the stratum of the degree of depth more than 40 meters at all.And shaking in punching stake process, if there is the situation of accidental power failure or other faults, vibrating impacter will cannot starting under load by locking, vibrating impacter therefore can be made to damage, thus cause very large loss.
Summary of the invention
The purpose of this utility model is exactly to solve the problem, a kind of vibrating impacter of vibro replacement stone column machine is provided, its structure is simple, easy to use, satisfied to the degree of depth, more than 40 meters, the bad ground of (even the degree of depth is 90 meters) carries out the requirement of vibrosinking pile construction, can realize stepless speed regulation, damages vibrating body when preventing vibrating body from blocking, penetration capacity is strong, greatly improves vibroflotation construction efficiency.
For realizing above-mentioned purpose of the present utility model, vibrating impacter for vibro replacement stone column machine of the present utility model comprises: the bumper assembly that its top is connected with the guide rod of vibro replacement stone column machine, the transit joint be connected with bumper assembly bottom, the motor be connected with transit joint, by motor-driven vibrating body, wherein, described motor is variable-frequency motor; Described bumper assembly comprises: the rubber absorbers in tubular; Be embedded in rubber absorbers top for connecting the upper adpting flange of described guide rod, being embedded in the lower adpting flange for connecting described transit joint of rubber absorbers bottom; Wherein, the bonding surface of described upper adpting flange and described guide rod is provided with hermetically-sealed construction; Wherein, the bonding surface of described lower adpting flange and described transit joint is provided with lower seal structure.
Wherein, described upper hermetically-sealed construction is identical with described lower seal structure, includes: the cannelure being arranged on described upper adpting flange top or described lower adpting flange bottom; Be placed in the upper sealing ring in described cannelure.
Wherein, described bumper assembly also comprise be embedded in described rubber absorbers for improving cord in rubber absorbers tension and anti-twisting property.
Wherein, described bumper assembly also comprises the tensile structure being embedded in described upper adpting flange and/or described lower adpting flange and described rubber absorbers bonding surface place.
Preferably, described tensile structure comprises: the screwed hole being preset in the horizontal integration face place of described upper adpting flange and/or described lower adpting flange and described rubber absorbers.
Further, described tensile structure also comprises: the interior swivel nut being embedded in longitudinal bonding surface place of described upper adpting flange and/or described lower adpting flange and described rubber absorbers.
Wherein, the inner embedding pre-embedded bolt had for its top and bottom are connected as one with described upper adpting flange and described lower adpting flange respectively of described rubber absorbers.
Preferably, the nut of described pre-embedded bolt and described upper adpting flange or described lower adpting flange junction are provided with preset flange.
Compared with prior art, vibrating impacter of the present utility model have structure simple, easy to use, adapt to the requirement that vibrosinking pile construction is carried out to the stratum of the degree of depth more than 40 meters, the advantage that can realize stepless speed regulation, improve vibroflotation construction efficiency.
Below in conjunction with accompanying drawing, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vibrating impacter of vibro replacement stone column machine of the present utility model;
Fig. 2 is the structural representation of bumper assembly of the present utility model.
Detailed description of the invention
As shown in Figure 1, the structural representation of the vibrating impacter of the vibro replacement stone column machine provided for the utility model, as seen from the figure, the vibrating impacter of vibro replacement stone column machine comprises: the bumper assembly 220 that its top is connected with the guide rod of vibro replacement stone column machine, the transit joint 230 be connected with bumper assembly bottom, the motor 240 be connected with transit joint, by motor-driven vibrating body 250, wherein, motor is variable-frequency motor.
Motor due to the utility model vibrating impacter is variable-frequency motor, when vibro replacement stone column machine works, by being arranged on the frequency converter of vibrating impacter outside, motor can be made to realize stepless speed regulation, thus can to meet vibro replacement stone column machine be vibrosinking pile construction requirement under the complex stratum condition of 40-90 rice in the degree of depth: when accidental power failure or when occurring that other fault makes vibrating body mend to block, by frequency converter, electric current that cable is carried is started from scratch to increase gradually, thus can successfully Vibration on Start-up body, make vibrating body carry out vibro-replacement stone operation; And according to the different conditions on stratum, by regulating the frequency of variable-frequency motor, vibrating body frequency can be made identical with the foundation soil frequency on stratum, thus vibrating body and foundation soil are resonated, the ability making vibrating body penetrate foundation soil strengthens greatly, improve the efficiency of construction of vibrating body, that is, improve the efficiency of construction of vibrating impacter.
And as shown in Figure 2, the bumper assembly 220 of the utility model vibrating impacter comprises: the rubber absorbers 201 in tubular; Be embedded in the upper adpting flange 202 for connecting guide rod on rubber absorbers 201 top; Be embedded in the lower adpting flange 203 for connecting transit joint of rubber absorbers 201 bottom; Wherein, the bonding surface of upper adpting flange 2 and guide rod is provided with hermetically-sealed construction; Wherein, the bonding surface of lower adpting flange 203 and transit joint is provided with lower seal structure.
Concrete, as shown in Figure 2, in bumper assembly of the present utility model, the bonding surface of upper adpting flange 2 and guide rod is provided with hermetically-sealed construction, and on this, hermetically-sealed construction comprises: the cannelure 204 being arranged on adpting flange 202 top; Be placed in the upper sealing ring (not shown) in cannelure 204, wherein, upper sealing ring is O-ring seals.Sealed by the bonding surface of O-ring seals by upper adpting flange and guide rod, improve the sealing at bonding surface place.
In addition, the bonding surface of lower adpting flange 203 and transit joint is provided with lower seal structure (not shown), and this lower seal structure is identical with upper hermetically-sealed construction, no longer repeats at this.
In addition, bumper assembly of the present utility model also comprise be embedded in rubber absorbers 201 for improving cord 208 in rubber absorbers tension and anti-twisting property, it is combined by nylon rope and steel wire and makes, be embedded on arbitrary cross section of rubber absorbers, preferably, interior cord is embedded in rubber absorbers and is positioned on middle cross section.By interior cord is embedded in rubber absorbers inside, substantially increases tension and the anti-twisting property of damper, avoid the damage to connected guide rod, and cable, water pipe and the wire rope that is connected with guide rod are played a protective role.
Further, as shown in Figure 2, bumper assembly of the present utility model also comprises the tensile structure being embedded in adpting flange 202 and/or lower adpting flange 203 and rubber absorbers 201 bonding surface place, and this tensile structure comprises: the screwed hole 209 being preset in the horizontal integration face place of adpting flange 202 and/or lower adpting flange 203 and rubber absorbers 201; And be embedded in the interior swivel nut 210 at adpting flange 202 and/or lower adpting flange 203 and longitudinal bonding surface place of rubber absorbers 201.
By presetting screwed hole at the bonding surface place transversely of rubber absorbers and upper and lower adpting flange, when upper and lower adpting flange can be made to be connected with guide rod and transit joint respectively, directly upper adpting flange, guide rod and rubber absorbers can be connected as one by screw, and by screw, rubber absorbers and lower adpting flange, transit joint are connected as one, thus installation or removal are convenient, be convenient to maintenance, and, screwed hole is preset in rubber absorbers, improves the bonding strength connecting upper and lower adpting flange and guide rod and transit joint.
In addition, at rubber absorbers and upper and lower adpting flange bonding surface place is longitudinally also embedding interior swivel nut, thus add the bond area of rubber absorbers and upper and lower adpting flange, improve the pressure-resistant seal between rubber absorbers and two adpting flanges and tension sealing performance.Upper and lower adpting flange of the present utility model is connected with guide rod or transit joint by screw, can increase the damping cross section on damper cross section, improves damping effect.
Wherein, as shown in Figure 2, the utility model is at the inner also embedding pre-embedded bolt 211 had for being connected as one with upper adpting flange 202 and lower adpting flange 203 respectively in its top and bottom of rubber absorbers 201.Preferably, the nut of pre-embedded bolt 211 and upper adpting flange 202 or lower adpting flange 203 junction are provided with preset flange 212.By pre-embedded bolt 211, add the bonding strength between rubber absorbers and upper and lower adpting flange, and improve the damping effect of rubber absorbers.
It should be noted that, bolt 211 in the utility model, preset flange 212, interior swivel nut 210 are embedded in rubber absorbers respectively, namely, in manufacturing process, above-mentioned parts are the same with upper and lower adpting flange, all be well placed in mould, then by castable rubber in mould, make above-mentioned each parts shape all-in-one-piece rubber absorbers together with rubber.By changing structure and the manufacture craft of traditional shock absorber, substantially increasing the damping effect of the utility model bumper assembly, the exciting force of vibrating impacter when shaking punching operation being decayed rapidly, relieving the destruction that vibrating impacter vibration force causes guide rod and lifting appliance.
Bumper assembly of the present utility model, has following difference: in shape compared with the bumper assembly in prior art vibrating impacter, no longer adopts the structure of circular platform type, but adopts cylindrical structure, when making, no longer adopt traditional damper be made up of the mode of steel sheet inside casting rubber, but employing directly makes damper by the elastomeric material of high strength, simplify production process, and, in manufacturing process, by upper, the parts such as lower adpting flange are placed in mould by predeterminated position, castable rubber is adopted to form rubber absorbers again in mould, thus obtain the parts such as upper and lower adpting flange and be embedded in structure in rubber absorbers and integrally formed with it, greatly increase the bonding strength of the parts such as upper and lower adpting flange and rubber absorbers, improve the application life of bumper assembly, in addition, the bonding surface of upper and lower adpting flange and guide rod and transit joint is respectively arranged with upper and lower hermetically-sealed construction, thus improves the reliability of bonding surface place sealing, improve the damping effect of damper.
Vibrating impacter of the present utility model, solve traditional vibrating impacter frequency fix, can not according to Different Strata regulating frequency, make to shake rush that pore-creating and pile driving construction efficiency processed decline, the degree of depth problem that cannot construct in the stratum of (especially the degree of depth is 90 meters) at all more than 40 meters.Vibrating impacter of the present utility model is the electronic vibrating impacter of high-power frequency conversion formula, therefore vibroflotation construction work efficiency can be increased substantially: current domestic vibrating impacter rotating speed is all at 1460-1480r/min, rotating speed 0-1800r/min can be realized by frequency conversion, according to the different situations of foundation soil (as layer of sand, sand-pebble layer, silt, the natural frequency of mucky soil own is different), vibrating impacter frequency is regulated to make vibrating impacter frequency identical with foundation soil frequency and resonate, thus vibrating impacter penetration capacity is strengthened greatly, greatly improve efficiency of construction.
Although be explained in detail the utility model above; but the utility model is not limited thereto; those skilled in the art can modify according to principle of the present utility model; therefore, all various amendments carried out according to principle of the present utility model all should be understood to fall into protection domain of the present utility model.
Claims (8)
1. the vibrating impacter of a vibro replacement stone column machine, comprise: the bumper assembly that its top is connected with the guide rod of vibro replacement stone column machine, the transit joint be connected with bumper assembly bottom, the motor be connected with transit joint, by motor-driven vibrating body, is characterized in that:
Described motor is variable-frequency motor;
Described bumper assembly comprises: the rubber absorbers in tubular; Be embedded in rubber absorbers top for connecting the upper adpting flange of described guide rod, being embedded in the lower adpting flange for connecting described transit joint of rubber absorbers bottom;
Wherein, the bonding surface of described upper adpting flange and described guide rod is provided with hermetically-sealed construction;
Wherein, the bonding surface of described lower adpting flange and described transit joint is provided with lower seal structure.
2. vibrating impacter according to claim 1, is characterized in that, described upper hermetically-sealed construction is identical with described lower seal structure, includes:
Be arranged on the cannelure of described upper adpting flange top or described lower adpting flange bottom;
Be placed in the upper sealing ring in described cannelure.
3. vibrating impacter according to claim 1, is characterized in that, described bumper assembly also comprise be embedded in described rubber absorbers for improving cord in rubber absorbers tension and anti-twisting property.
4. vibrating impacter according to claim 1, is characterized in that, described bumper assembly also comprises the tensile structure being embedded in described upper adpting flange and/or described lower adpting flange and described rubber absorbers bonding surface place.
5. vibrating impacter according to claim 4, is characterized in that, described tensile structure comprises:
Be preset in the screwed hole at the horizontal integration face place of described upper adpting flange and/or described lower adpting flange and described rubber absorbers.
6. vibrating impacter according to claim 5, is characterized in that, described tensile structure also comprises:
Be embedded in the interior swivel nut at longitudinal bonding surface place of described upper adpting flange and/or described lower adpting flange and described rubber absorbers.
7. vibrating impacter according to claim 1, is characterized in that, the inner embedding pre-embedded bolt had for being connected as one with described upper adpting flange and described lower adpting flange respectively in its top and bottom of described rubber absorbers.
8. vibrating impacter according to claim 7, is characterized in that, the nut of described pre-embedded bolt and described upper adpting flange or described lower adpting flange junction are provided with preset flange.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420675287.3U CN204282336U (en) | 2014-11-13 | 2014-11-13 | The vibrating impacter of vibro replacement stone column machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420675287.3U CN204282336U (en) | 2014-11-13 | 2014-11-13 | The vibrating impacter of vibro replacement stone column machine |
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| CN204282336U true CN204282336U (en) | 2015-04-22 |
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| CN201420675287.3U Active CN204282336U (en) | 2014-11-13 | 2014-11-13 | The vibrating impacter of vibro replacement stone column machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862707A (en) * | 2016-04-06 | 2016-08-17 | 高君 | Composite foundation stabilization construction method |
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2014
- 2014-11-13 CN CN201420675287.3U patent/CN204282336U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862707A (en) * | 2016-04-06 | 2016-08-17 | 高君 | Composite foundation stabilization construction method |
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