CN201686980U - Lifting mechanism of hammer free-falling type dynamic compactor - Google Patents
Lifting mechanism of hammer free-falling type dynamic compactor Download PDFInfo
- Publication number
- CN201686980U CN201686980U CN2009203500598U CN200920350059U CN201686980U CN 201686980 U CN201686980 U CN 201686980U CN 2009203500598 U CN2009203500598 U CN 2009203500598U CN 200920350059 U CN200920350059 U CN 200920350059U CN 201686980 U CN201686980 U CN 201686980U
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- suspension hook
- lifting mechanism
- hydraulic cylinder
- dropping type
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Abstract
The utility model discloses a lifting mechanism of a hammer free-falling type dynamic compactor, which comprises a fixed hanging device. A hydraulic cylinder and a fixed pulley assembly are hung on the fixed hanging device, the fixed pulley assembly matches with a movable pulley assembly, the movable pulley assembly is fixed on a sliding device, the hydraulic cylinder is connected with an unhooking device, and the unhooking device corresponds to the sliding device and is selectively connected with and disconnected from the sliding device. The lifting mechanism of a hammer free-falling type dynamic compactor replaces a detacher and a hoist which are widely applied to construction of the existing dynamic compactor, realizes lifting and hook dynamic compaction, is convenient in use and proper in cost, and plays an important role in increasing safety and efficiency of dynamic compaction construction.
Description
Technical field
The utility model belongs to the dynamic consolidation construction apparatus field, refers to a kind of lifting mechanism with the hammer free dropping type forced ramming machine especially.
Background technology
(the elevator lifting mechanism is made up of the reel of motor or motor+reductor+band clutch to be extensive use of the elevator lifting mechanism at present in the dynamic consolidation construction process, in speed end or reel one side brake is set), repeatedly hammer ram is lifted by crane specified altitude, discharge hammer ram by tripping gear, the energy that utilizes the hammer ram free-falling to produce, ground is formed powerful shock and vibration, reach the raising bearing capacity of foundation soil, reduce compressibilty, improve the antivibration ability of ground and the purpose of liquefying power, can eliminate the ground settlement by soaking the ground that has settlement by soaking.This technology in present construction operation process, is hit to ram all to each and will be carried out operations such as artificial detacher resets, hammer ram hook.Strong rammer subsidiary operation time is increased, influenced efficiency of construction, simultaneously because the impact that detacher produces when breaking off relations all can produce adverse influence to the jib structure of tripping gear itself and dynamic compaction machinery etc., cause reduce the application life of tripping gear and jib structure, dynamic compaction machinery uses, maintenance cost increases.
External improve the clutch and the brakes of lifting mechanism, when having realized that hammer ram falls and the unseparated dynamic consolidation construction that do not break off relations of wire rope, improved to a certain extent and rammed efficient by adopting big single rope tension hoisting system.But adopt this form of construction work, have the higher elevating capacity, need hoisting system that shock resistance, friction, high temperature resistance or the good heat dispersion of stopping power and clutch are preferably arranged simultaneously except needing crawler crane.And the hoisting system (mechanism) of big single rope tension, high braking and disengaging performance not only increases acquisition cost greatly, and makes control system become very complicated.In addition, the high workload rank of dynamic compaction machinery is used (using frequently fully loaded power height), and the frequent impact that produces is easy to cause the inefficacy of hoisting mechanism and the fatigue failure of wire rope, and therefore the performance requirement to hoisting mechanism and wire rope improves greatly.
Along with Chinese economic development, increasing to the demand of dynamic consolidation construction and high-performance dynamic compaction machinery.In medium and small energy level dynamic consolidation construction, design a kind of mechanism that can realize with the hammer free dropping type forced ramming, replace widely used detacher and hoisting mechanism in the present dynamic compaction machinery construction, realize hoisting and the strong operation of ramming of not breaking off relations, safety and the efficient that improves dynamic consolidation construction is significant.
The utility model content
The purpose of this utility model is the lifting mechanism that provides a kind of easy to use, safe, efficient is higher and cost is suitable band hammer free dropping type forced ramming machine in order to solve the problems of the technologies described above.
To achieve these goals, the utility model is by the following technical solutions:
A kind of lifting mechanism with the hammer free dropping type forced ramming machine, it comprises: hang fixing apparatus, this hangs fixing apparatus and hangs and be provided with hydraulic cylinder and fixed pulley group, and this fixed pulley group is connected with running block by wire rope, and this running block is installed on the carriage; This hydraulic cylinder connects a tripping gear, and this tripping gear is corresponding with this carriage, and this tripping gear optionally is connected or separates with this carriage under the effect of hydraulic cylinder.
The described fixing apparatus that hangs comprises a truss and cape, and this cape is fixed on the top of this truss.
Described hydraulic cylinder is two and is arranged in the truss that it is hanging connected in the both sides of described cape respectively, and described fixed pulley group is hanging connected on the cape between two hydraulic cylinders.
Described tripping gear comprises suspension hook group, fastening devices and the suspension hook group headstock gear that connects by bearing pin, and this suspension hook group comprises two suspension hook bodies that are hinged, and is provided with a through hole respectively in the outside portion of two suspension hook bodies; On fastening devices, be provided with the fixing hole corresponding with the hinge hole of suspension hook group; Suspension hook group headstock gear is provided with and hinge hole and three corresponding respectively vertical strip holes of two through hole, corresponding hinge hole and fixing hole be straight strip hole, corresponding both sides through hole be the oblique strip hole that tilts laterally, the bottom, hole of straight strip hole and the top, hole of two oblique strip holes are roughly at sustained height.Described hydraulic cylinder piston rod is connected with the both sides of this fastening devices.
Described suspension hook group headstock gear comprises top rail and lower transverse beam, is provided with connecting portion between top rail and the lower transverse beam, and three vertical strip holes all are arranged on the top rail, and this connecting portion is provided with a neutral gear that moves up and down for fastening devices under the drive of hydraulic cylinder.
Described carriage comprises the slip casing and is installed in the dogging portion that the described suspension hook group of confession on the slip casing fixes.
Bight at described truss vertical direction is provided with guide rail.
On lower box and slip casing on the described suspension hook group headstock gear, be equipped with rolling element with the corresponding one by one coupling of each guide rail.
On described cape, be installed with the long adjuster of the rope corresponding with the middle part of fixed pulley group.
In described truss, be provided with and the corresponding buffer of described slip casing.
The beneficial effects of the utility model: a kind of lifting mechanism of the utility model with the hammer free dropping type forced ramming machine, replace widely used detacher and hoisting mechanism in the present dynamic compaction machinery construction, realization hoists and does not break off relations the strong operation of ramming, easy to use, cost suits, and safety and the efficient that improves dynamic consolidation construction is significant.
Description of drawings
Fig. 1 is a kind of lifting mechanism structural representation with the hammer free dropping type forced ramming machine of the utility model.
Fig. 1 a is the backsight structural representation that the carriage of Fig. 1 breaks off relations.
Fig. 2 is a user mode structural representation of the present utility model.
Fig. 3 is the structural representation of tripping gear of the present utility model,
Fig. 3 a is a unhook group of the present utility model structural representation when closed.
Fig. 3 b is the structural representation of unhook group of the present utility model when opening.
Fig. 4 is the structural representation that sets firmly the carriage of running block.
Fig. 5 is the winding method of wire rope.
Fig. 6 is the hydraulic scheme of control hydraulic cylinder works of the present utility model.
The specific embodiment
Reach the aspect relevant for structure composition of the present utility model, technological means and effect, cooperate graphic give again illustrate as follows:
As Fig. 1, Fig. 1 a and shown in Figure 2, be a kind of lifting mechanism of the utility model with the hammer free dropping type forced ramming machine, it comprises: hang fixing apparatus 1, hang fixing apparatus 1 and be installed with hydraulic cylinder 2 and fixed pulley group 3, fixed pulley group 3 is connected with running block 4 by wire rope C, running block 4 is fixed on the carriage 5, the piston rod of hydraulic cylinder 2 is connected with tripping gear 6, tripping gear 6 is corresponding with carriage 4, and tripping gear 6 optionally is connected or separates with the carriage 5 that sets firmly running block 4 under the effect of hydraulic cylinder 2.The wire rope C of this lifting mechanism is connected with hammer ram G by the arm head pulley B that is arranged on dynamic compaction machinery jib A, realizes hoisting and free-falling of hammer ram G.
Hang the cape 12 that fixing apparatus 1 comprises a truss 11 and is fixed on truss 11 tops, be welded into respectively otic placode at four main strut tops of truss 11, the bottom of cape 12 is installed with the paired otic placode that is coupling with above-mentioned each paired otic placode respectively.
Shown in Fig. 3, Fig. 3 a and Fig. 3 b, tripping gear 6 comprises suspension hook group 61, fastening devices 62 and suspension hook group headstock gear 63.Suspension hook group 61, fastening devices 62 and suspension hook group headstock gear 63 are connected with two secondary bearing pins by a stub axle.Suspension hook group 61 comprises two suspension hook bodies 611, is provided with hinge hole 611a at the stacked relatively position of two suspension hook bodies 611, and the outside portion of each suspension hook body 611 is provided with a through hole 611b, 611c respectively.Fastening devices 62 comprises a box-type crossbeam 621, be installed with at the middle part of crossbeam 621 straight up fix plate 622, fix plate 622 and be provided with the fixing hole 622a corresponding with hinge hole 611a.Suspension hook group headstock gear 63 roughly is the I-shaped shape, it comprises top rail 631 and the lower transverse beam 632 that roughly is box-type, be provided with connecting portion 633 between the upper and lower crossbeam 631,632, top rail 631 is provided with and hinge hole 611a and three corresponding respectively vertical strip holes of two through hole 611b, 611c, that corresponding middle part hinge hole 611a is straight strip hole 631a, corresponding both sides through hole be the oblique strip hole 631b, the 631c that tilt laterally, the bottom, hole of straight strip hole 631a and the top, hole of two oblique strip hole 631b, 631c are roughly at sustained height.The stub axle passes fixing hole 622a, hinge hole 611a and straight strip hole 631a.One secondary bearing pin passes through hole 611b and oblique strip hole 631b respectively, and another secondary bearing pin passes through hole 611c and oblique strip hole 631c.Suspension hook group 61 can be slided in the strip hole in correspondence at stub axle under the drive of hydraulic cylinder 2 and two secondary bearing pins.Connecting portion 633 between the lower and upper cross-member 631,632 of suspension hook headstock gear 63 is provided with a neutral gear 634 that moves up and down for fastening devices 62 under the flexible drive of hydraulic cylinder 2.
Shown in Fig. 3 a and Fig. 3 b, when the stub axle was positioned at the bottom of vertical bar hole 631a, when two secondary bearing pins were positioned at the top of oblique strip hole 631b, 631c, this moment, the suspension hook group was in closure state; When the stub axle moved upward in the bottom of vertical bar hole 631a, two secondary bearing pins moved downward at the top of two oblique slotted hole 631b, 631c simultaneously, and this moment, the suspension hook group was opened.
Crossbeam 621 both sides of fastening devices 62 are provided with the connecting hole that the piston rod with hydraulic cylinder 2 is coupling.
As shown in Figure 4, carriage 5 comprises slip casing 51 and is installed in the dogging portion 52 that the described suspension hook group 61 of confession on the slip casing 51 fixes.
The upper box 631 of suspension hook group headstock gear 63 is provided with the passage that passes for piston rod.On the slip casing 51 of carriage 5, be provided with the passage of feed flow cylinder pressure motion.
In order to make tripping gear and carriage in the process of moving up and down, have good firm and guide effect, be provided with guide rail 7 in the bight of truss 11 vertical directions.On the lower and upper cross-member 631,632 of suspension hook group headstock gear 63 and slip casing 51, be equipped with rolling element 8 with the corresponding one by one coupling of each guide rail 7.
Along with strong rammer is rammed the increase of number of times, when the degree of depth of tamping pit is might be greater than former security clearance rope long, need regulate rope progress row, on cape 12, be installed with the long adjuster 9 of the rope corresponding with the middle part of fixed pulley group 3.
In order to make the braking of good realization slip casing 51, in truss 11, be provided with the buffer 10 corresponding with the casing 51 of sliding.
Stress equalization for free-falling or hoist middle pulley group and wire rope C, can adopt wire rope C winding method as shown in Figure 5: the dead end of wire rope C is connected on the long adjuster 9 of rope, be divided into two branches at the middle part of assembly pulley wire rope C, the wire rope in left side twines the assembly pulley in left side, the wire rope on right side twines the assembly pulley on right side, the winding method of wire rope is for intersecting the winding method, the fastening hammer ram G that connects together of two movable ends of last wire rope C.
Below cooperate as Fig. 6 a kind of course of work with the lifting mechanism of hammering free dropping type forced ramming machine into shape of the utility model be described below:
The work engineering: 1, hammer ram promotes: 3-position 4-way solenoid operated directional valve a2 is switched to right position, the hydraulic oil of pump a1 enters the rodless cavity of hydraulic cylinder 2 through the one way valve of bidirectional balanced valve a3, under the effect of hydraulic oil, the piston rod of hydraulic cylinder 2 stretches out, suspension hook group 61 has been locked the dogging portion 52 of slip casing 51 at this moment, in the process that piston rod stretches out, effect by assembly pulley and wire rope C drives the height that hammer ram rises to regulation, the two-position four-way solenoid operated directional valve a5 of control two-way plug-in valve a4 is in the work of position, a left side, and two-way plug-in valve a4 closes.
2, the dogging portion 52 of carriage 5 breaks off relations: a2 switches to meta with the 3-position 4-way solenoid operated directional valve, and under the effect of bidirectional balanced valve a3, hydraulic cylinder 2 keeps stable.Get two-position four-way solenoid operated directional valve a5 electric this moment, switches to right position, and hydraulic cylinder 2 rodless cavity oil liquid pressures are opened two-way plug-in valve a4, and fluid flows to fuel tank by two-way plug-in valve a4.Under the effect of hammer ram deadweight, piston rod bounces back rapidly, drives crossbeam 621 and moves upward, and suspension hook group 61 is opened to both sides.After the suspension hook group was opened, hammer ram was under the effect of deadweight, and by the effect of wire rope C and running block 4, drive slip casing 51 moves upward along the guide rail 7 of truss 11 inside, finishes the strong rammer operation of unhook and hammer ram G free-falling.
3, tripping gear resets: ram in the operation process strong, two-position four-way solenoid operated directional valve a5 is cut off the power supply, switch to position, a left side, switch 3-position 4-way solenoid operated directional valve a2 to position, a left side, the rod chamber oil-feed of hydraulic cylinder 2, the spool of rodless cavity lateral balance valve 3 is opened under the effect of rod chamber side fluid pressure, and the rodless cavity oil return is to fuel tank, the piston rod of hydraulic cylinder 2 retraction drives tripping gear 6 and moves on together.In this process, suspension hook group 61 is in opening always.When the bottom of the suspension hook group 61 on the tripping gear 6 when dogging portion 53 on the slip casing contacts, the piston rod retraction of hydraulic cylinder 2 will stop.Then, 3-position 4-way solenoid operated directional valve a2 is to right position, and the piston rod of hydraulic cylinder 2 is done counteragent, protruding 60-70 millimeter, and the suspension hook group is closed and is prepared work cycle next time.
More than be preferred embodiment of the present utility model and design graphic; above-mentioned preferred embodiment and designing graphicly only illustrates; be not to be used to limit interest field of the present utility model; all with equalization technological means or be the interest field that contained of the application's claim and the implementer does not all break away from protection domain of the present utility model.
Claims (10)
- One kind with the hammer free dropping type forced ramming machine lifting mechanism, it is characterized in that: it comprises: hang fixing apparatus, this hangs fixing apparatus and hangs and be provided with hydraulic cylinder and fixed pulley group, this fixed pulley group is connected with running block by wire rope, this running block is installed on the carriage, this hydraulic cylinder connects a tripping gear, and this tripping gear is corresponding with this carriage, and this tripping gear optionally is connected or separates with this carriage under the effect of hydraulic cylinder.
- 2. a kind of lifting mechanism with the hammer free dropping type forced ramming machine according to claim 1, it is characterized in that: the described fixing apparatus that hangs comprises a truss and cape, and this cape is fixed on the top of this truss.
- 3. a kind of lifting mechanism according to claim 2 with the hammer free dropping type forced ramming machine, it is characterized in that: described hydraulic cylinder is two and is arranged in the truss, it hangs solid in the both sides of described cape respectively, and described fixed pulley group is hanging connected on the cape between two hydraulic cylinders.
- 4. according to claim 1 or 3 described a kind of lifting mechanisms with the hammer free dropping type forced ramming machine, it is characterized in that: described tripping gear comprises suspension hook group, fastening devices and the suspension hook group headstock gear that connects by bearing pin, this suspension hook group comprises two suspension hook bodies that are hinged, and is provided with a through hole respectively in the outside portion of two suspension hook bodies; On fastening devices, be provided with the fixing hole corresponding with the hinge hole of suspension hook group; Suspension hook group headstock gear is provided with and hinge hole and three corresponding respectively vertical strip holes of two through hole, corresponding hinge hole and fixing hole be straight strip hole, corresponding both sides through hole be the oblique strip hole of inclination laterally, the bottom, hole of straight strip hole and the top, hole of two oblique strip holes are roughly at sustained height, and described hydraulic cylinder piston rod is connected with the both sides of this fastening devices.
- 5. a kind of lifting mechanism according to claim 4 with the hammer free dropping type forced ramming machine, it is characterized in that: described suspension hook group headstock gear comprises top rail and lower transverse beam, be provided with connecting portion between top rail and the lower transverse beam, three vertical strip holes all are arranged on the top rail, and this connecting portion is provided with a neutral gear that moves up and down for fastening devices under the drive of hydraulic cylinder.
- 6. a kind of according to claim 1 or 5 lifting mechanism with the hammer free dropping type forced ramming machine is characterized in that: described moving carriage comprises the slip casing and is installed in the dogging portion that the described suspension hook group of confession on the slip casing fixes.
- 7. a kind of lifting mechanism with the hammer free dropping type forced ramming machine according to claim 6, it is characterized in that: the bight at described truss vertical direction is provided with guide rail.
- 8. a kind of lifting mechanism with the hammer free dropping type forced ramming machine according to claim 7 is characterized in that: be equipped with the rolling element with the corresponding one by one coupling of each guide rail on the upper and lower casing of described suspension hook group headstock gear and slip casing.
- 9. a kind of lifting mechanism with the hammer free dropping type forced ramming machine according to claim 8 is characterized in that: be installed with the long adjuster of the rope corresponding with the middle part of fixed pulley group on described cape.
- 10. a kind of lifting mechanism with the hammer free dropping type forced ramming machine according to claim 9 is characterized in that: be provided with in described truss and the corresponding buffer of described slip casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203500598U CN201686980U (en) | 2009-12-28 | 2009-12-28 | Lifting mechanism of hammer free-falling type dynamic compactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203500598U CN201686980U (en) | 2009-12-28 | 2009-12-28 | Lifting mechanism of hammer free-falling type dynamic compactor |
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| Publication Number | Publication Date |
|---|---|
| CN201686980U true CN201686980U (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009203500598U Expired - Fee Related CN201686980U (en) | 2009-12-28 | 2009-12-28 | Lifting mechanism of hammer free-falling type dynamic compactor |
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| CN (1) | CN201686980U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773147A (en) * | 2012-05-31 | 2012-11-14 | 安徽理士电源技术有限公司 | Delivery device for battery case crusher |
| CN102979074A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Wireless remote control dynamic compaction machine |
| CN106436782A (en) * | 2016-09-13 | 2017-02-22 | 广东正欣工程技术检测有限公司 | High-strain detection super-large hammer self-beating device and application method |
| CN107727521A (en) * | 2017-10-31 | 2018-02-23 | 西南交通大学 | A kind of Contact Net's Suspension Chord fatigue test method and device |
| CN110130311A (en) * | 2019-06-12 | 2019-08-16 | 沙洲职业工学院 | A kind of strong rammer tup that lifting power demand is incremental |
-
2009
- 2009-12-28 CN CN2009203500598U patent/CN201686980U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773147A (en) * | 2012-05-31 | 2012-11-14 | 安徽理士电源技术有限公司 | Delivery device for battery case crusher |
| CN102979074A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Wireless remote control dynamic compaction machine |
| CN102979074B (en) * | 2012-11-22 | 2013-12-18 | 三一重工股份有限公司 | Wireless remote control dynamic compaction machine |
| CN106436782A (en) * | 2016-09-13 | 2017-02-22 | 广东正欣工程技术检测有限公司 | High-strain detection super-large hammer self-beating device and application method |
| CN107727521A (en) * | 2017-10-31 | 2018-02-23 | 西南交通大学 | A kind of Contact Net's Suspension Chord fatigue test method and device |
| CN107727521B (en) * | 2017-10-31 | 2024-04-12 | 西南交通大学 | Fatigue test method and device for catenary hanger |
| CN110130311A (en) * | 2019-06-12 | 2019-08-16 | 沙洲职业工学院 | A kind of strong rammer tup that lifting power demand is incremental |
| CN110130311B (en) * | 2019-06-12 | 2024-02-13 | 沙洲职业工学院 | Dynamic compaction hammer head with increasing lifting force requirement |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20141228 |
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| EXPY | Termination of patent right or utility model |