CN210003204U

CN210003204U - rotary drilling rig power head damping device

Info

Publication number: CN210003204U
Application number: CN201920378968.6U
Authority: CN
Inventors: 丁祖双; 王轶国; 刁克; 李唅; 李修民
Original assignee: East China Exploration Foundation Engineering Corp Ministry Of Metallurgical Industry
Current assignee: East China Exploration Foundation Engineering Corp Ministry Of Metallurgical Industry
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-01-31
Anticipated expiration: 2029-03-20

Abstract

The utility model relates to an kind dig rig unit head damping device soon, it includes the base, fix buffer seat on the base, be located last pressure disk, the interval setting of buffer seat top and the damper assembly between last pressure disk and buffer seat, it is fixed with ring flange to go up the pressure disk below, the buffer seat top is fixed with the second ring flange, damper assembly includes fixture block, second fixture block, spring, the end of spring with the fixture block is fixed, in addition end with the second fixture block is fixed, seted up on the ring flange with fixture block grafting complex draw-in groove, seted up on the second ring flange with second fixture block grafting complex second draw-in groove, the utility model discloses under the condition of not demolising last pressure disk and buffer seat, can change the spring of damage alone to shorten maintenance time, reduce intensity of labour.

Description

rotary drilling rig power head damping device

Technical Field

The utility model belongs to the technical field of the technique of digging the rig soon and specifically relates to a kind dig rig unit head damping device soon.

Background

The rotary drilling rig is construction machinery suitable for hole forming operation in building foundation engineering, is mainly suitable for soil layer construction of sandy soil, cohesive soil, silty soil and the like, and is applied to general foundation construction of pouring piles, continuous walls, foundation reinforcement and the like.

Chinese patent publication No. CN203891759U discloses rotary drilling rig power head damping devices, the device includes a supporting seat, a spring assembly and a buffer seat, the spring assembly includes a spring, an upper pin shaft and a lower pin shaft which are mounted in a spring hole in a penetrating manner, a buffer space is provided between the upper pin shaft and the lower pin shaft, and the use duration of the supporting seat and the buffer seat is prolonged by the arrangement of the spring assembly.

The technical scheme includes that the spring is used for relieving impact of the drill rod on the power head, is directly subjected to impact load when the spring works, and therefore the spring needs to be replaced frequently to guarantee the buffering and damping effects of the power head.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an kind dig rig unit head damping device soon has the effect of conveniently changing the spring.

The technical scheme of the utility model includes that kind of rotary drilling rig unit head damping device, including the base, fix buffer seat on the base, be located last pressure disk, the interval of buffer seat top and set up the damper assembly between last pressure disk and buffer seat, it is fixed with the ring flange to go up the pressure disk below, the buffer seat top is fixed with the second ring flange, and damper assembly includes fixture block, second fixture block, spring, the end of spring with the fixture block is fixed, in addition end with the second fixture block is fixed, seted up on the ring flange with fixture block grafting complex draw-in groove, set up on the second ring flange with the second fixture block grafting complex second draw-in groove.

When the spring is damaged and needs to be replaced, the damaged spring can be replaced independently, so that the maintenance time is shortened, the labor intensity is reduced, a plurality of damping assemblies are arranged at intervals, and if the working condition is urgent, after the damaged spring is removed, the rest damping assemblies can still continue to be used for periods of time without influencing the construction progress.

The utility model discloses advance step and set up to seted up slot on the terminal surface that fixture block is close to draw-in groove diapire, be fixed with on the diapire of draw-in groove with the inserted column of the grafting complex of slot, the second fixture block is close to seted up the second slot on the terminal surface of second draw-in groove diapire, be fixed with on the diapire of second draw-in groove with the second inserted column of grafting complex of second slot.

By adopting the technical scheme, the th inserting column is inserted into the th slot, so that the connection strength of the th clamping block and the th clamping block can be improved, and the connection strength of the second clamping block and the second clamping block can be improved by inserting the second inserting column into the second slot.

The utility model discloses advance step and set up to seted up the screw hole on the lateral wall of ring flange, the screw hole with draw-in groove intercommunication, the fixture block with seted up the second screw hole on the relative lateral wall of screw hole, screw hole with second screw hole female connection has the bolt.

Through adopting above-mentioned technical scheme, bolt and fixture block and ring flange threaded connection can make the connected mode of fixture block and draw-in groove more firm, avoid revolving the rig during operation soon, and the fixture block breaks away from draw-in groove.

The utility model discloses advance step and set up to seted up the third screw hole on the lateral wall of second ring flange, the third screw hole with second draw-in groove intercommunication, the second fixture block with set up the fourth screw hole on the relative lateral wall of third screw hole, the third screw hole with fourth screw hole female connection has the second bolt.

Through adopting above-mentioned technical scheme, second bolt and second fixture block and second ring flange threaded connection can be so that the joint of second fixture block and second draw-in groove is more firm, avoids the unit head atress, and the second fixture block breaks away from in the second draw-in groove.

The utility model discloses step sets up to be provided with the direction subassembly in the spring, the direction subassembly includes the guide pin bushing of fixing on the second fixture block, fixes on fixture block and with guide pin bushing sliding fit's guide pillar.

Through adopting above-mentioned technical scheme, guide pillar and guide pin bushing sliding fit can guarantee that spring compression process can not incline, guarantees that the spring atress is even.

The utility model discloses step sets up to be fixed with the stopper at the guide pillar lower extreme, the cross-sectional area of stopper is greater than the cross-sectional area of guide pin bushing open end.

By adopting the technical scheme, the guide pillar can be prevented from sliding out of the guide sleeve by the limiting block fixed at the lower end of the guide pillar.

The utility model discloses advance step set up to go up the pressure disk with be provided with the protection component between the buffer seat, the protection component is including setting up at the clamp of last pressure disk circumference, setting up at the second clamp of buffer seat circumference, be located the protection casing between clamp and the second clamp.

Through adopting above-mentioned technical scheme, protection casing upper end cover is established in last pressure disk circumference, and the lower extreme cover is established in buffer seat circumference, then fixed through th clamp and second clamp, when changing the spring, open clamp with the second clamp can, set up the protection casing in spring outside circumference and can protect the spring, avoid spring and moist soil contact, lead to spring surface corrosion, influence the shock attenuation effect of spring.

The utility model discloses step sets up to, the protection casing is scalable.

Through adopting above-mentioned technical scheme, when the spring compression, go up the pressure disk and can change with the distance between the buffer seat, the telescopic is set to the protection casing, when guaranteeing that the spring warp, the protection casing can cover all the time and establish outside the spring.

To sum up, the utility model discloses a beneficial technological effect does:

1. the damaged spring can be replaced independently, so that the maintenance time is shortened, and the labor intensity is reduced;

2. the connection strength of the th clamping block and the th clamping groove can be improved by the splicing and matching of the th inserting column and the th inserting groove, and the connection strength of the second clamping block and the second clamping groove can be improved by the splicing and matching of the second inserting column and the second inserting groove;

3. the guide assembly is arranged, so that the spring compression process can be prevented from inclining, and the stress uniformity of the spring is ensured.

Drawings

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

FIG. 2 is a schematic structural view of the present invention after the base is hidden;

FIG. 3 is a schematic view showing the connection structure between the second flange and the shock-absorbing member;

fig. 4 is a schematic view showing the connection structure between the th flange and the shock-absorbing assembly according to the present invention.

The number of the reference numerals is 1, a base, 2, a buffer seat, 3, an upper pressure plate, 4, a shock absorption assembly, 41, a spring, 42, th clamping blocks, 421, th inserting grooves, 422, second threaded holes, 43, second clamping blocks, 431, second inserting grooves, 432, fourth threaded holes, 5, th flange plates, 51, th clamping grooves, 511, th inserting columns, 52, th threaded holes, 53, th bolts, 6, second flange plates, 61, second clamping grooves, 611, second inserting columns, 62, third threaded holes, 63, second bolts, 7, a guide assembly, 71, a guide column, 711, a limiting block, 72, a guide sleeve, 8, a protection assembly, 81, th clamping rings, 82, second clamping rings, 83 and a protection cover.

Detailed Description

The present invention will be described in further detail in with reference to the accompanying drawings.

Referring to fig. 1-2, for the utility model discloses an kind dig rig unit head damping device soon, including base 1, fix buffer seat 2 on base 1, be located last pressure disk 3, the interval setting of buffer seat 2 top and set up the damper assembly 4 between last pressure disk 3 and buffer seat 2, upward be fixed with ring flange 5 on the pressure disk 3 bottom surface, be fixed with second ring flange 6 on the buffer seat 2 up end.

As shown in fig. 3-4, the damping module 4 includes a spring 41, a second fastening block , and a second fastening block 43, wherein a end of the spring 41 is fixed to the th fastening block 42, and another 1 end is fixed to the second fastening block 43, a th fastening block 51 snap-fitted to the th fastening block 42 is formed on the th flange 5, a second fastening block 61 snap-fitted to the second fastening block 43 is formed on the second flange 6, a insertion groove 421 is formed on an end surface of the th fastening block 42 close to a bottom wall of the th fastening block 51, a th insertion column 89511 snap-fitted to the insertion groove 421 is fixed to a bottom wall of the fastening block 51, a second insertion column 611 snap-fitted to the second insertion column 431 is fixed to an end surface of the second fastening block 43 close to the bottom wall of the second fastening block 61, a insertion column 511 is inserted into the th insertion column 421, so that the strength of the fastening block and the second insertion column are improved, and the strength of the second insertion column 611 is improved.

As shown in fig. 3-4, a th threaded hole 52 is formed in a side wall of the th flange plate 5, a 0 th threaded hole 52 is communicated with the interior of the 1 th clamping groove 51, a second threaded hole 422 is formed in a side wall of the 2 th clamping block 42 opposite to the 3 th threaded hole 52, a th bolt 53 is connected in a threaded manner with the 4 th threaded hole 52 and the second threaded hole 422, the th bolt 53 is connected with the th clamping block 42 and the th flange plate 5 in a threaded manner, so that the th clamping block 42 and the th clamping groove 51 can be connected more firmly, and the th clamping block 42 is prevented from being separated from the th clamping groove 51 when the rotary drilling rig operates.

As shown in fig. 3 to 4, a third threaded hole 62 is formed in a side wall of the second flange 6, the third threaded hole 62 is communicated with the second locking groove 61, a fourth threaded hole 432 is formed in a side wall of the second locking block 43 opposite to the third threaded hole 62, and a second bolt 63 is connected to the third threaded hole 62 and the fourth threaded hole 432 in an internal thread manner.

As shown in fig. 3, a guide assembly 7 is disposed in the spring 41, the guide assembly 7 includes a guide post 71 and a guide sleeve 72, the guide post 71 is fixed on the th latch 42, the guide sleeve 72 is fixed on the second latch 43, the guide post 71 is slidably connected with the guide sleeve 72, a stopper 711 is fixed at a lower end of the guide post 71, a cross-sectional area of the stopper 711 is larger than a cross-sectional area of an opening end of the guide sleeve 72, the stopper 711 is disposed to prevent the guide post 71 from sliding out of the guide sleeve 72, the second bolt 63 is threadedly connected with the second latch 43 and the second flange 6, so that the second latch 43 is more firmly engaged with the second latch 61, the power head is prevented from being stressed, and the second.

As shown in fig. 1, a protection assembly 8 is arranged between the upper platen 3 and the buffer base 2, the protection assembly 8 includes an -th clamp 81, a second clamp 82, and a protection cover 83, the -th clamp 81 is clamped and arranged in the circumferential direction of the upper platen 3, the second clamp 82 is arranged in the circumferential direction of the buffer base 2, and the protection cover 83 is located between the -th clamp 81 and the second clamp 82. the upper end of the protection cover 83 is covered and arranged in the circumferential direction of the upper platen 3, the lower end of the protection cover is covered and arranged in the circumferential direction of the buffer base 2, and then the protection cover is fixed with the second clamp 82 through the -th clamp 81, when the spring 41 is replaced, the -th clamp 81 and the second clamp 82 are opened, the protection cover 83 is arranged in the circumferential direction outside the spring 41 to protect the spring 41, so as to prevent the spring 41 from contacting with moist soil, thereby causing the surface of the spring 41 to be corroded, and affecting the damping effect of the spring 41.

The implementation principle of the embodiment is that when the power head works, impact load can be applied to the power head, the arranged spring 41 can well play a role in buffering protection and can slow down impact of a drill rod on the power head, when the spring 41 is damaged and needs to be replaced, the th clamping block 42 is separated from the th clamping groove 51, the second clamping block 43 is separated from the second clamping groove 61, and then the spring 41 can be taken out, under the condition that the upper pressure plate 3 and the buffer seat 2 are not detached, the damaged spring 41 can be replaced independently, so that maintenance time is shortened, labor intensity is reduced, a plurality of damping assemblies 4 are arranged at intervals, and if working conditions are urgent, after the damaged spring 41 is detached, the rest damping assemblies 4 can still continue to be used for periods, and construction progress cannot be influenced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

The damping device for the power head of the rotary drilling rig comprises a base (1), a buffer seat (2) fixed on the base (1), an upper pressure plate (3) located above the buffer seat (2), and damping assemblies (4) arranged between the upper pressure plate (3) and the buffer seat (2) at intervals, wherein a -th flange (5) is fixed below the upper pressure plate (3), and a second flange (6) is fixed above the buffer seat (2), and is characterized in that the damping assemblies (4) comprise -th clamping blocks (42), second clamping blocks (43) and springs (41), the ends of the springs (41) are fixed with the -th clamping blocks (42), the ends of the springs are fixed with the second clamping blocks (43), a -th clamping groove (51) in plug-in fit with the -th clamping blocks (42) is formed in the -th flange (5), and a second clamping groove (61) in plug-in fit with the second clamping blocks (43) is formed in the second flange (6).
2. The shock absorption device for the power head of the rotary drilling rig according to claim 1, wherein a slot (421) is formed in an end face of the clamping block (42) close to the bottom wall of the clamping groove (51), a inserting column (511) in plug fit with the slot (421) is fixed on the bottom wall of the clamping groove (51), a second slot (431) is formed in an end face of the second clamping block (43) close to the bottom wall of the second clamping groove (61), and a second inserting column (611) in plug fit with the second slot (431) is fixed on the bottom wall of the second clamping groove (61).
3. The shock-absorbing device for the power head of the rotary drilling rig according to claim 1, wherein a th threaded hole (52) is formed in a side wall of the flange (5), the th threaded hole (52) is communicated with the th clamping groove (51), a second threaded hole (422) is formed in a side wall of the clamping block (42) opposite to the th threaded hole (52), and a th bolt (53) is in threaded connection with the th threaded hole (52) and the second threaded hole (422).
4. The kind of rotary drilling rig power head damping device according to claim 1, characterized in that a third threaded hole (62) is opened on a side wall of the second flange plate (6), the third threaded hole (62) is communicated with the second clamping groove (61), a fourth threaded hole (432) is opened on a side wall of the second clamping block (43) opposite to the third threaded hole (62), and a second bolt (63) is connected with the third threaded hole (62) and the fourth threaded hole (432) in a threaded manner.
5. The shock absorption device for the power head of the rotary drilling rig according to claim 1, wherein a guide assembly (7) is arranged in the spring (41), and the guide assembly (7) comprises a guide sleeve (72) fixed on the second fixture block (43) and a guide post (71) fixed on the -th fixture block (42) and slidably engaged with the guide sleeve (72).
6. The kind of rotary drilling rig power head damping device of claim 5, characterized in that a stopper (711) is fixed to the lower end of the guide post (71), and the cross-sectional area of the stopper (711) is greater than the cross-sectional area of the open end of the guide sleeve (72).
7. The kind of rotary drilling rig power head damping device of claim 1, characterized in that a protection subassembly (8) is provided between the upper pressure plate (3) and the buffer seat (2), the protection subassembly (8) includes a hoop (81) disposed in the upper pressure plate (3) circumferential direction, a second hoop (82) disposed in the buffer seat (2) circumferential direction, and a protection cover (83) disposed between the hoop (81) and the second hoop (82).
8. The kind of rotary drilling rig power head damping device of claim 7, characterized in that the shield (83) is retractable.