CN216768206U - Dig rig unit head damper soon - Google Patents

Abstract

The utility model discloses the technical field of engineering machinery, which specifically comprises the following steps: a stabilizing column is fixed on the outer wall of the top end of the upper fixing seat, a power head connecting seat is fixed on the top end of the stabilizing column, a connecting column is fixed at the center of the outer wall of the bottom end of the upper fixing seat, a lower fixing seat is connected to the bottom end of the connecting column in a sliding mode, a damping assembly is arranged between the upper fixing seat and the lower fixing seat and comprises a first damping part, a buffering supporting ring, a second damping part and a protection part, the inner wall of the buffering supporting ring is connected with the outer wall of the connecting column in a sliding mode, and therefore the power head damping mechanism of the rotary drilling rig can effectively prevent the power assembly from being damaged due to long-time vibration, and further can effectively reduce extra economic loss on a construction site.

Description

Dig rig unit head damper soon

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a shock absorption mechanism for a power head of a rotary drilling rig.

Background

The rotary drilling rig is a comprehensive drilling rig, can use various bottom layers, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. Short auger bits perform dry-cut operations, and rotary drill bits may also be used to perform wet-cut operations with mud retaining walls. The rotary drilling rig can be matched with a ram to drill holes after a hard stratum is broken. If the reamer is matched with a reaming head drilling tool, reaming operation can be carried out at the bottom of the hole. The rotary drilling rig adopts a plurality of layers of telescopic drill rods, has less drilling auxiliary time and low labor intensity, does not need slurry to discharge slag circularly, saves cost and is particularly suitable for the basic construction of urban construction.

The power head of the rotary drilling rig is a core component for transmitting power of the rotary drilling rig, the working principle of the power head of the rotary drilling rig is that a drill rod is driven to rotate, when a hole is drilled, load torque is directly transmitted to the power head, therefore, the power head can be greatly impacted when being specifically used, most of the power heads of the existing rotary drilling rigs reduce impact shock of the power heads through multiple groups of buffer springs, however, the effect of the buffer damping mode is poor, the rotary drilling rig can be frequently damaged due to the reduction of the buffer effect when being used for a long time, the construction period is further delayed, and extra economic loss can be caused.

Therefore, it is necessary to develop a shock absorption mechanism for a power head of a rotary drilling rig.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a damping mechanism for a power head of a rotary drilling rig, which aims to solve the problems that the effect of the damping mode is poor, the rotary drilling rig is frequently damaged due to the reduction of the damping effect when being used for a long time, the construction period is further delayed, and extra economic loss is caused.

In order to achieve the purpose, the utility model provides the following technical scheme: a power head damping mechanism of a rotary drilling rig comprises an upper fixing seat, wherein a stabilizing column is fixed on the outer wall of the top end of the upper fixing seat, a power head connecting seat is fixed on the top end of the stabilizing column, a connecting column is fixed at the center of the outer wall of the bottom end of the upper fixing seat, the bottom end of the connecting column is connected with a lower fixing seat in a sliding mode, and a damping assembly is arranged between the upper fixing seat and the lower fixing seat;

damping assembly includes first shock attenuation part, buffering support ring, second shock attenuation part and protective member, the inner wall of buffering support ring and the outer wall sliding connection of spliced pole, first shock attenuation part sets up between the bottom outer wall of the top outer wall of buffering support ring and last fixing base, second shock attenuation part sets up between the bottom outer wall of buffering support ring and the top outer wall of fixing base down, protective member sets up between the bottom outer wall of the top outer wall of last fixing base and lower fixing base, first shock attenuation part, buffering support ring and second shock attenuation part all set up inside protective member.

Preferably, the first shock attenuation part includes four fixed blocks of group, and is two sets of the top of fixed block and the top outer wall both ends fixed connection of last fixing base, two sets of in addition the bottom of fixed block and the top outer wall fixed connection of buffering support ring, two sets of the relative one end of fixed block all is fixed with the slide bar, the equal sliding connection of both ends outer wall of slide bar has the slider.

Preferably, the relative one end outer wall of slider all articulates there is the bracing piece, the quantity that the bracing piece set up is two sets of the bracing piece is the intersection mode setting, and is two sets of the bracing piece department of meeting rotates and is connected with the fixed pin.

Preferably, the centers of the outer walls of the two groups of sliding rods are respectively sleeved with a buffer spring a in a sliding connection mode, and two ends of the two groups of buffer springs a are fixedly connected with the outer wall of the opposite end of the sliding block.

Preferably, the top outer wall edge of buffering support ring is fixed with damping shock absorber a, damping shock absorber a's top all with the bottom outer wall edge fixed connection of last fixing base, the quantity that damping shock absorber a set up is four groups, damping shock absorber a is the mode of annular array and arranges.

Preferably, the second shock attenuation part includes vibration damping mount, vibration damping mount's bottom and the top outer wall fixed connection of lower fixing base, vibration damping mount's inner wall and the outer wall sliding connection of spliced pole, vibration damping mount's top outer wall is fixed with damping shock absorber b, the quantity that damping shock absorber b set up is four groups, damping shock absorber b's top all with the bottom outer wall fixed connection of buffering support ring, damping shock absorber b arranges through annular array's mode.

Preferably, the both ends of damping bumper shock absorber b all are provided with damping sleeve, damping sleeve's bottom all with vibration damping mount's top outer wall fixed connection, damping sleeve's the equal sliding connection in top has the connecting rod, the top of connecting rod all with the bottom outer wall fixed connection of buffering support ring.

Preferably, the outer wall of the connecting rod is sleeved with a buffer spring b, two ends of the buffer spring b are respectively fixedly connected with the top end of the damping sleeve and the top end of the connecting rod, the bottom end of the connecting rod penetrates through the inner wall of the top end of the damping sleeve and is fixed with a buffer piston, and the outer wall of the buffer piston is in sliding connection with the inner wall of the damping sleeve.

Preferably, the protection part comprises two sets of mounting rings, the upper end of each mounting ring is fixedly connected with the outer wall of the bottom end of the upper fixing seat, the lower end of each mounting ring is fixedly connected with the outer wall of the top end of the lower fixing seat, and a corrugated protection pipe is fixed between the two sets of mounting rings.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, when the power assembly is vibrated in the working process of the rotary drilling rig, the vibration of the power assembly can be effectively reduced through the cooperation among the first damping part, the buffering support ring and the second damping part, and the first damping part, the buffering support ring and the second damping part can be protected by the corrugated protection pipe, so that the structures are prevented from being corroded by air.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention in a front view;

FIG. 2 is a schematic view of the corrugated protective pipe according to the present invention in a front view;

FIG. 3 is an enlarged schematic view of FIG. 2 at A in accordance with the present invention;

fig. 4 is a schematic perspective view of the slider of the present invention.

In the figure: 100. an upper fixed seat; 110. a stabilization post; 120. a power head connecting seat; 200. a lower fixed seat; 300. a mounting ring; 310. a corrugated protective tube; 400. connecting columns; 500. a fixed block; 510. a slide bar; 520. a slider; 521. a support bar; 522. a buffer spring a; 530. a damping shock absorber a; 600. a buffer support ring; 700. a damping mount; 710. a damping shock absorber b; 720. a shock-absorbing sleeve; 721. a connecting rod; 722. a buffer spring b; 723. a buffer piston.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides the following technical scheme: a shock absorption mechanism for a power head of a rotary drilling rig can effectively improve the shock absorption and buffering effect on the power head in the using process and avoid damage of the power head due to large vibration, please refer to fig. 1-4, which comprises an upper fixing seat 100, wherein a stabilizing column 110 is fixed on the outer wall of the top end of the upper fixing seat 100, a power head connecting seat 120 is fixed on the top end of the stabilizing column 110, the stabilizing column 110 is arranged for fixing the power head connecting seat 120, the power head connecting seat 120 is arranged for connecting a power head with a drill bit, a connecting column 400 is fixed at the center of the outer wall of the bottom end of the upper fixing seat 100, the bottom end of the connecting column 400 is slidably connected with a lower fixing seat 200, the connecting column 400 is arranged for transmitting the torque of a power motor and further rotating the drill bit, and the lower fixing seat 200 is arranged for fixing the power head with the power motor, a damping assembly is arranged between the upper fixing seat 100 and the lower fixing seat 200, the damping assembly comprises a first damping part, a buffering support ring 600, a second damping part and a protection part, the inner wall of the buffering support ring 600 is slidably connected with the outer wall of the connecting column 400, the first damping part is arranged between the outer wall of the top end of the buffering support ring 600 and the outer wall of the bottom end of the upper fixing seat 100, the first damping part is arranged for carrying out primary damping on the power head, the number of the first damping parts is four, the first damping parts are arranged in an annular array mode, the first damping part comprises four groups of fixed blocks 500, the top ends of the two groups of fixed blocks 500 are fixedly connected with the two ends of the outer wall of the top end of the upper fixing seat 100, the bottom ends of the other two groups of fixed blocks 500 are fixedly connected with the outer wall of the top end of the buffering support ring 600, and the four groups of fixed blocks 500 are used for fixing the two groups of sliding rods 510 in an up-down mode, the opposite ends of the two groups of fixed blocks 500 are both fixed with a sliding rod 510, the outer walls of the two ends of the sliding rod 510 are both connected with a sliding block 520 in a sliding manner, the outer wall of the opposite end of the sliding block 520 is hinged with a support rod 521, the sliding block 520 is arranged for fixing the support rod 521, the number of the support rods 521 is two, the two groups of support rods 521 are arranged in a cross manner, the joint of the two groups of support rods 521 is rotatably connected with a fixed pin, the centers of the outer walls of the two groups of sliding rods 510 are both sleeved with a buffer spring a522 in a sliding manner, the two ends of the two groups of buffer springs a522 are both fixedly connected with the outer wall of the opposite end of the sliding block 520, when the upper fixing base 100 slides towards the lower fixing base 200 due to vibration, the arranged upper fixing base 100 can extrude towards the buffer support ring 600, at the moment, the two groups of support rods 521 can extrude towards the opposite directions, at the moment, the arranged sliding block 520 can slide towards the two ends of the sliding rod 510, at this time, the buffer spring a522 arranged generates a reaction force due to stretching, and then obstructs the movement of the upper fixing base 100, thereby playing a role of buffering and damping, the edge of the outer wall at the top end of the buffer support ring 600 is fixed with the damping shock absorbers a530, the top ends of the damping shock absorbers a530 are all fixedly connected with the edge of the outer wall at the bottom end of the upper fixing base 100, the number of the damping shock absorbers a530 is four, the damping shock absorbers a530 are arranged in a ring array, the arranged damping shock absorbers a530 obstruct the movement of the upper fixing base 100 when the upper fixing base 100 extrudes towards the buffer support ring 600, thereby playing a role of buffering and damping, the second shock absorbing component is arranged between the outer wall at the bottom end of the buffer support ring 600 and the outer wall at the top end of the lower fixing base 200, the second shock absorbing component is arranged for secondarily buffering the shock transmitted by the upper fixing base 100, further improving the buffering and shock-absorbing effect of the whole power head, the second shock-absorbing component comprises a shock-absorbing base 700, the bottom end of the shock-absorbing base 700 is fixedly connected with the outer wall of the top end of the lower fixing base 200, the inner wall of the shock-absorbing base 700 is slidably connected with the outer wall of the connecting column 400, an air spring is fixed inside the shock-absorbing base 700, damping shock absorbers b710 are fixed on the outer wall of the top end of the shock-absorbing base 700, the number of the damping shock absorbers b710 is four, the top ends of the damping shock absorbers b710 are all fixedly connected with the outer wall of the bottom end of the buffering supporting ring 600, the damping shock absorbers b710 are arranged for buffering and absorbing the shock transmitted from the upper fixing base 100 to the buffering supporting ring 600, the damping shock absorbers b710 are arranged in an annular array manner, shock-absorbing sleeves 720 are arranged at the two ends of the damping shock absorbers b710, the bottom ends of the shock-absorbing sleeves 720 are all fixedly connected with the outer wall of the top end of the shock-absorbing base 700, the top end of the damping sleeve 720 is slidably connected with a connecting rod 721, the top end of the connecting rod 721 is fixedly connected with the outer wall of the bottom end of the damping support ring 600, the outer wall of the connecting rod 721 is sleeved with a damping spring b722, two ends of the damping spring b722 are respectively fixedly connected with the top end of the damping sleeve 720 and the top end of the connecting rod 721, when the damping support ring 600 moves towards the lower fixing seat 200 due to the vibration transmitted by the upper fixing seat 100, the arranged connecting rod 721 can slide towards the direction of the damping sleeve 720, at this time, the arranged damping spring b722 can be compressed, the reaction force generated by the damping spring b722 can obstruct the movement of the damping support ring 600, the bottom end of the connecting rod 721 penetrates through the inner wall of the top end of the damping sleeve 720 and is fixed with a damping piston 723, the outer wall of the damping piston 723 is slidably connected with the inner wall of the damping sleeve 720, and the inside of the arranged damping sleeve 720 is also filled with hydraulic oil, when the connecting rod 721 drives the buffering piston 723 to slide towards the inside of the shock absorption sleeve 720, the filled hydraulic oil can also obstruct the movement of the connecting rod 721 and further obstruct the movement of the buffering support ring 600, thereby achieving the effect of buffering and shock absorption, the protection component is arranged between the outer wall of the top end of the upper fixing seat 100 and the outer wall of the bottom end of the lower fixing seat 200, the first shock absorption component, the buffering support ring 600 and the second shock absorption component are all arranged inside the protection component, the protection component is arranged to protect the first shock absorption component, the buffering support ring 600 and the second shock absorption component from being corroded by air and the like when exposed outside, the protection component comprises two groups of mounting rings 300, the bottom end of the upper mounting ring 300 is fixedly connected with the outer wall of the bottom end of the upper fixing seat 100, the bottom end of the lower mounting ring 300 is fixedly connected with the outer wall of the top end of the lower fixing seat 200, and a corrugated pipe 310 is fixed between the two groups of mounting rings 300, two sets of collar 300 that set up all fix with the outer wall of last fixing base 100 and lower fixing base 200 through the mode of bolt, and the ripple protective tube 310 that sets up can protect inside shock attenuation part.

The working principle is as follows: firstly, when the rotary drilling rig is in operation and the power head assembly is vibrated, the vibration is firstly transmitted to the upper fixing seat 100, at this time, the upper fixing seat 100 is arranged to move towards the buffer support ring 600 and transmit the vibration to the buffer support ring 600, when the upper fixing seat 100 moves towards the buffer support ring 600, the arranged damping shock absorbers a530 firstly buffer and absorb the vibration and absorb the shock, when the upper fixing seat 100 moves due to continuous vibration, the arranged two groups of support rods 521 are extruded towards opposite directions, at this time, the arranged sliding blocks 520 slide towards two end directions of the sliding rod 510, at this time, the arranged damping springs a522 generate reaction force due to stretching, and further can block the movement of the upper fixing seat 100, so that the effect of buffering and shock absorption is achieved, and at the same time, the buffer support ring 600 can also move towards the lower fixing seat 200 after being subjected to the vibration transmitted by the upper fixing seat 100 The slip, damping bumper shock absorber b710 that sets up also can cushion and absorb vibrations, the connecting rod 721 that sets up simultaneously can contract towards shock attenuation sleeve 720's direction, the buffer spring b722 that sets up will be compressed, the reaction force that buffer spring b722 produced can lead to the fact the hindrance to buffering support ring 600's removal, simultaneously because connecting rod 721 can drive buffer piston 723 when removing and slide, the hydraulic oil that fills in shock attenuation sleeve 720 also can lead to the fact the hindrance to connecting rod 721 and buffer piston 723's removal, the cooperation sets up the air spring in vibration damping mount 700 and can further eliminate vibrations, and then improve the effect to last fixing base 100 buffering shock attenuation, avoid the unit head to receive the damage because it is great to receive vibrations.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (9)

1. The utility model provides a dig rig unit head damper soon, includes fixing base (100), the top outer wall of going up fixing base (100) is fixed with stabilizes post (110), the top of stabilizing post (110) is fixed with power head connecting seat (120), the bottom outer wall center department of going up fixing base (100) is fixed with spliced pole (400), the bottom sliding connection of spliced pole (400) has lower fixing base (200), its characterized in that: a damping component is arranged between the upper fixing seat (100) and the lower fixing seat (200);

the damping component comprises a first damping part, a buffering support ring (600), a second damping part and a protection part, the inner wall of the buffering support ring (600) is connected with the outer wall of the connecting column (400) in a sliding mode, the first damping part is arranged between the top outer wall of the buffering support ring (600) and the bottom outer wall of the upper fixing seat (100), the second damping part is arranged between the bottom outer wall of the buffering support ring (600) and the top outer wall of the lower fixing seat (200), the protection part is arranged between the top outer wall of the upper fixing seat (100) and the bottom outer wall of the lower fixing seat (200), and the first damping part, the buffering support ring (600) and the second damping part are all arranged inside the protection part.

2. The rotary drilling rig power head damping mechanism according to claim 1, characterized in that: first shock attenuation part includes four fixed block (500), and is two sets of the top of fixed block (500) and the top outer wall both ends fixed connection of last fixing base (100), two sets of in addition the bottom of fixed block (500) and the top outer wall fixed connection of buffering support ring (600) are two sets of the relative one end of fixed block (500) all is fixed with slide bar (510), the equal sliding connection in both ends outer wall of slide bar (510) has slider (520).

3. The rotary drilling rig power head damping mechanism according to claim 2, characterized in that: the outer wall of one end opposite to the sliding block (520) is hinged with two groups of supporting rods (521), the number of the supporting rods (521) is two, the two groups of supporting rods (521) are arranged in a crossed mode, and a fixing pin is rotatably connected at the joint of the two groups of supporting rods (521).

4. The rotary drilling rig power head damping mechanism according to claim 2, characterized in that: the centers of the outer walls of the two groups of sliding rods (510) are sleeved with buffer springs a (522) in a sliding connection mode, and two ends of the two groups of buffer springs a (522) are fixedly connected with the outer wall of the opposite end of the sliding block (520).

5. The rotary drilling rig power head damping mechanism according to claim 2, characterized in that: the utility model discloses a damping support ring (600) for the automobile seat, including buffer support ring (600), the top outer wall edge of buffer support ring (600) is fixed with damping shock absorber a (530), the top of damping shock absorber a (530) all with the bottom outer wall edge fixed connection of last fixing base (100), the quantity that damping shock absorber a (530) set up is four groups, damping shock absorber a (530) are the mode of annular array and arrange.

6. The rotary drilling rig power head damping mechanism according to claim 1, characterized in that: the second shock attenuation part includes vibration damping mount (700), the bottom of vibration damping mount (700) and the top outer wall fixed connection of lower fixing base (200), the inner wall of vibration damping mount (700) and the outer wall sliding connection of spliced pole (400), the top outer wall of vibration damping mount (700) is fixed with damping shock absorber b (710), the quantity that damping shock absorber b (710) set up is four groups, the top of damping shock absorber b (710) all with the bottom outer wall fixed connection of buffering support ring (600), damping shock absorber b (710) are arranged through annular array's mode.

7. The rotary drilling rig power head damping mechanism according to claim 6, characterized in that: damping shock absorber b (710) both ends all are provided with shock attenuation sleeve (720), the bottom of shock attenuation sleeve (720) all with the top outer wall fixed connection of vibration damping mount (700), the equal sliding connection in top of shock attenuation sleeve (720) has connecting rod (721), the top of connecting rod (721) all with the bottom outer wall fixed connection of buffering support ring (600).

8. The rotary drilling rig power head damping mechanism according to claim 7, characterized in that: the outer wall of the connecting rod (721) is sleeved with a buffer spring b (722), two ends of the buffer spring b (722) are fixedly connected with the top end of the shock absorption sleeve (720) and the top end of the connecting rod (721) respectively, the bottom end of the connecting rod (721) penetrates through the inner wall of the top end of the shock absorption sleeve (720) and is fixed with a buffer piston (723), and the outer wall of the buffer piston (723) is in sliding connection with the inner wall of the shock absorption sleeve (720).

9. The rotary drilling rig power head damping mechanism according to claim 1, characterized in that: the protective component comprises two sets of mounting rings (300), the upper end of each mounting ring (300) is fixedly connected with the outer wall of the bottom end of the upper fixing seat (100), the lower end of each mounting ring (300) is fixedly connected with the outer wall of the top end of the lower fixing seat (200), and a corrugated protective pipe (310) is fixed between the two sets of mounting rings (300).

Images