CN205308519U - Pick rod and have quartering hammer of this pick rod - Google Patents

Abstract

The utility model discloses a pick rod and have quartering hammer of this pick rod, its technical scheme main points are pick rods, including the pick rod body, it is provided with the step to surround on the perisporium wall of pick rod body. The utility model discloses a pick rod and have quartering hammer of this pick rod structural strength is high, and is not fragile, long service life.

Description

A kind of pick rod and the quartering hammer with this pick rod

Technical field

This utility model relates to a kind of rock drilling equipment, more specifically, it relates to a kind of pick rod and the quartering hammer with this pick rod.

Background technology

Quartering hammer is the physics disintegrating apparatus integrating mechanical-hydraulic mechanics and digital signal, digital monitoring, and object can be produced impulsive force by the pick rod of quartering hammer under the effect of vibrator, and then realizes broken. General quartering hammer high-frequency breaking hammer is to be rotated by hydraulic motor band movable eccentric wheel, and then generation centrifugal force, making its component in vertical direction is periodically variable perturbed force, axle is forced to produce the pressure of radially forced vibration, become exciting force, then by the casing of vibrator, vibration is passed to pick rod and crush.

At present, the power mode that quartering hammer general on market adopts has two kinds mostly, one is fluid pressure type quartering hammer, perturbed force is provided for power source with hydraulic pressure, such as Authorization Notice No. is a kind of hydraulic resonant breaking hammer of the Introduction To Cn Patent of CN101793041B, another kind of is exactly adopt mechanical drive mode to produce power to provide perturbed force, for instance Authorization Notice No. is a kind of high-frequency breaking hammer of the Introduction To Cn Patent of CN103706451B; But no matter it is fluid pressure type quartering hammer or mechanical transmission-type quartering hammer, can be generally all prune one piece to form groove on the sidewall of pick rod when connecting pick rod, then pass through pin plate hoop, at groove, pick rod is formed restriction, so arrange and can be clearly present some defects: when pick rod high frequency up-down vibration, the sidewall of groove is constantly formed clash into pin plate, pin plate is easily severed, and slight crack also easily occur in the edges and corners of pick rod upper groove simultaneously so that it is service life shortens.

Utility model content

For the deficiency that prior art exists, the purpose of this utility model is in that to provide the pick rod of a kind of not easy fracture long service life and the quartering hammer with this pick rod.

For achieving the above object, this utility model provides following technical scheme: a kind of pick rod, including pick rod body, the perisporium wall of described pick rod body is surrounded with step.

As preferably, described step becomes annular to arrange.

As preferably, described step is one-body molded with pick rod.

This utility model provides a kind of quartering hammer simultaneously, includes above-mentioned pick rod.

As preferably, including housing, offering open slot in described housing, step is positioned at open slot.

Compared with prior art this utility model has an advantage that and arranges step cutting pattern on pick rod, substitute recessing on pick rod sidewall in prior art, the mode moved up and down of pick rod is limited by pin plate, the conflict power that pick rod bears in moving up and down process can be greatly increased, avoid in prior art often as frictional dissipation is excessive and the problem that causes it is frequently necessary to change pick rod, because step cutting pattern can be limited in open slot, in the process of up-down vibration, conflict in the high-frequency upper and lower end face with open slot, because contact area is big in the process conflicted, and the structure of step cutting pattern is complete and pick rod forms one, the scope of the extruding force born is also very big, so that pick rod is suitable bad without occurring under altofrequency is vibrated, thus having reached the purpose in the service life extending pick rod.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is half sectional view of the present utility model;

Fig. 3 is exploded perspective view of the present utility model;

Fig. 4 is side sectional view of the present utility model;

Fig. 5 is front section view of the present utility model;

Fig. 6 is the structural representation of crankshaft connecting rod system;

Fig. 7 is the structural representation of locating part;

Fig. 8 is the structural representation of guide pin bushing;

Fig. 9 is the structural representation of pick rod.

In figure: 1, shell body; 11, cover plate; 2, inner housing; 3, crankshaft connecting rod system; 31, bent axle; 32, bevel gear; 33, connecting rod; 4, motor; 5, driving member; 6, pick rod; 61, step cutting pattern; 7, locating part; 71, open slot; 8, guide pin bushing; 81, spacing hole; 9, snubber elastomeric part; 10, bearing.

Detailed description of the invention

Below in conjunction with drawings and Examples, this utility model is described in detail.

As depicted in figs. 1 and 2, the unitary construction of quartering hammer is mutually socketed by shell body 1 and inner housing 2 and is formed, can pass through to be entrenched in shell body 1 by inner housing 2, then motor 4 is fixedly mounted on shell body 1, and it is internal that the outfan of motor 4 puts in inner housing 2, fix in inner housing 2 and be rotatablely equipped with crankshaft connecting rod system 3, the two ends of crankshaft connecting rod system 3 are rotatably installed on the sidewall of inner housing 2 respectively, rotating shaft linkage 3 is driven to rotate by motor 4, end at crankshaft connecting rod system 3 is hinged with driving member 5, driving member 5 thus does and moves up and down, and pick rod 6 is arranged on the lower section of driving member 5, when driving member 5 does motion up and down, the pick rod 6 of underface is formed and knock, pick rod 6 is forced to do high-frequency vibration and object is knocked under the effect of knocking, the recoil strength produced after knocking can force pick rod 6 to pop up, now promote driving member 5, the anti-bent axle 31 that pushes away of driving member 5 is made to carry out next step rotation, this makes it possible to well dissolved by recoil strength and absorb into kinetic energy, thus reaching to save the effect of the energy.

As shown in Figure 3 and Figure 6, crankshaft connecting rod system 3 in this utility model is made up of bent axle 31, connecting rod 33, one end of bent axle 31 is connected on the sidewall of inner housing 2, the other end is fixing with bevel gear 32 to be connected, bevel gear 32 is arranged on the sidewall of inner housing 2, the outfan of motor 4 puts in inner housing 2 and engages with bevel gear 32, so under the gearing of motor 4, bevel gear 32 rotates, bevel gear 32 band dynamic crankshaft 31 under the high-speed drive of motor 4 rotates, and the driving member 5 being arranged on connecting rod 33 end is just affected the upper underdrive doing high frequency by bent axle 31.

As shown in Figure 2 and Figure 7 simultaneously, inner housing 2 is also equipped with locating part 7, locating part 7 shown in figure is made up of left and right two parts, two locating parts 7 in left and right are stitched together, intermediate formation has open slot 71, the upper part of open slot 71 is stretched out for the upper end of pick rod 6, the lower part of open slot 71 is stretched out for the bottom of pick rod 6, and pick rod 6 is also formed with step cutting pattern 61 around its perisporium, as shown in Figure 9, step cutting pattern 61 is stuck in open slot 71, now the upper and lower end face of step cutting pattern 61 is limited in open slot 71, when pick rod 6 does vibration, step cutting pattern 61 is constantly conflicted with the upper and lower end face of open slot 71, because step cutting pattern 61 forms one with pick rod 6, its internal structure is stable, it is not easy to rupture in vibration process, and it is big with contact area in the upper and lower end face conflict process of open slot 71, uniform force.

Certainly, guide pin bushing 8 also it is installed with in the bottom of shell body 1, the structure of guide pin bushing 8 is as shown in Figure 8, namely guide pin bushing 8 is supported on the end of shell body 1 and pushes against with shell body 1, offer spacing hole 81 in guide pin bushing 8 simultaneously, the size of spacing hole 81 is identical with the diameter of pick rod 6, namely pick rod 6 can stretch out just from spacing hole 81, thus preventing rocking of pick rod 6 occurred level direction, on the inwall of spacing hole 81, also it is welded with antifriction metal (AFM) alloy simultaneously, rub with the alloy on spacing hole 81 wall when pick rod 6 moves up and down, the wearability of alloy can be prevented effectively from the aperture of spacing hole 81 and become big.

When mounted, can be as shown in Figures 3 and 5, motor 4 is fixedly mounted on cover plate 11, cover plate 11 covers the upper end at shell body 1, now motor 4 is positioned at shell body 1 inside, because quartering hammer is operationally, need the vibration of high frequency, and now motor 4 is arranged on shell body 1, the main part producing vibration is on inner housing 2, inner housing 2 can vibrate by opposite shell body 1, but shell body 1 will not be driven to vibrate, therefore just it is not easy when motor 4 is positioned on shell body 1 to damage because of vibration, meanwhile, it is internal that motor 4 is positioned at shell body 1, the dust in the external world or the environmental disturbances of wind rain solarization can be prevented effectively from, and the noise that motor 4 produces also can be isolated.

In order to reduce the vibration of element within inner housing 2 further, by arranging snubber elastomeric part 9 between shell body 1 and inner housing 2, as shown in Figure 4, it can be compression spring, rubber air spring can also be adopted, by the cushioning effect of snubber elastomeric part 9, reduce the Oscillation Amplitude of inner housing 2 and its inner member, ensure to descend reduction to damage consumption in working order, thus improving vibration efficiency.

In actual mechanical process, find when bent axle 31 is arranged on inner housing 2 simultaneously, bigger with the frictional resistance of inner housing 2, when adopting ball bearing to be arranged between inner housing 2 and bent axle 31, rotating speed can obtain certain raising, but can not well meet the requirement of high frequency, unless employing special bearing, but cost is of a relatively high, therefore adopt the bearing 10 that several are little to substitute big ball bearing, and the inside retainer of little bearing 10 is all taken out, and then increase ball number increases the bearing capacity of bearing 10, this makes it possible to make the rotating speed of bent axle reach 3000 ~ 5000 rpms, under such dither, the material that toughness is higher also can be smashed by easy to do.

Simultaneously in order to further prevent quartering hammer operationally effected by environmental factors, inner housing 2 is arranged to hermetically sealed shape, and in inner housing 2, fill lubricating oil, only leave and reach, for horse 4, the through hole that outfan stretches into, and motor 4 is also carried out after stretching into through hole sealing and closes, so arrange be quartering hammer operationally, the dust easily having the external world and the particulate matter being shattered enter in inner housing 2 and the drive mechanism in inner housing 2 are caused damage, simultaneously as the mechanism's rotating speed in inner housing 2 is very fast, it is lubricated it is thus desirable to inject lubricating oil in inner housing 2, carry out transmission forming cooling effect while lubrication, ensure that quartering hammer can work for a long time, and the dust impurity being prevented from the external world enters in inner housing 2 and destroys, this makes it possible to ensure effectively using for a long time of quartering hammer.

And when this quartering hammer is installed on shatter machine, quartering hammer is manipulated by the operating system of shatter machine accurately simultaneously, just easily can adapt to this quartering hammer efficiently and carry out vibration work, this quartering hammer operationally efficiency is high, the amplitude produced is little, and noise is low, and the operator being positioned at operating room will not feel that seismaesthesia is strong, noise is big, it is possible to be effectively increased the practicality of this shatter machine.

The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (5)

1. a pick rod, including pick rod body, it is characterised in that: the perisporium wall of described pick rod body is surrounded with step.

2. a kind of pick rod according to claim 1, it is characterised in that: described step becomes annular to arrange.

3. a kind of pick rod according to claim 1 and 2, it is characterised in that: described step is one-body molded with pick rod.

4. a quartering hammer, it is characterised in that: include the pick rod as described in claims 1 to 3 any one.

5. a kind of quartering hammer according to claim 4, it is characterised in that: including housing, offer open slot in described housing, step is positioned at open slot.