阅读说明：本技术 动力头用滑架结构及旋挖钻机 (Sliding frame structure for power head and rotary drilling rig ) 是由 刘国莉 黎伟福 尚玉 夏宏升 徐正松 于 2021-09-18 设计创作，主要内容包括：一种动力头用滑架结构,包括滑架组件和滑轮组件,滑架组件和滑轮组件的其中之一设有的连接凸块,连接凸块的长度延伸方向与滑架组件的厚度延伸方向一致,滑架组件和滑轮组件其中另一设有与连接凸块相配合的连接卡槽,滑轮组件沿滑架组件的厚度延伸方向卡入滑架组件时连接凸块与连接卡槽相嵌合将滑轮组件固定在滑架组件上。本发明还涉及一种旋挖钻机。动力头用滑架结构的结构简单,滑轮组件易于安装和拆卸,并且能抗重载荷的冲击。(A sliding frame structure for a power head comprises a sliding frame component and a pulley component, wherein one of the sliding frame component and the pulley component is provided with a connecting lug, the length extending direction of the connecting lug is consistent with the thickness extending direction of the sliding frame component, the other one of the sliding frame component and the pulley component is provided with a connecting clamping groove matched with the connecting lug, and the pulley component is clamped into the sliding frame component along the thickness extending direction of the sliding frame component, and the connecting lug is embedded with the connecting clamping groove to fix the pulley component on the sliding frame component. The invention also relates to a rotary drilling rig. The sliding frame structure for the power head is simple in structure, the pulley assembly is easy to mount and dismount, and impact of heavy load can be resisted.)

1. The utility model provides a carriage structure (40) for unit head, includes carriage assembly (41) and pulley assembly (42), characterized in that, carriage assembly (41) with connection lug (415) that one of them of pulley assembly (42) was equipped with, the length extending direction of connection lug (415) with the thickness extending direction of carriage assembly (41) is unanimous, carriage assembly (41) with pulley assembly (42) wherein another be equipped with connect lug (415) matched with connection draw-in groove (4221), pulley assembly (42) are followed the thickness extending direction card of carriage assembly (41) is gone into when carriage assembly (41) connection lug (415) with connection draw-in groove (4221) looks gomphosis will pulley assembly (42) are fixed on carriage assembly (41).

2. The carriage structure (40) for a power head according to claim 1, wherein the number of the connection projections (415) is two, and symmetrically disposed on the carriage assembly (41) or the pulley assembly (42); each of the connection bumps (415) has an upper surface (4151) and a lower surface (4152); each connecting slot (4221) is provided with an upper plane (42211) in contact fit with the upper surface (4151) and a lower plane (42212) in contact fit with the lower surface (4152).

3. The carriage structure (40) for a powerhead according to claim 2, further comprising a catch plate (403) and a stop plate (416), the stop plate (416) being fixed to one end of the coupling projection (415), the catch plate (403) being detachably fixed to the other end of the coupling projection (415).

4. The carriage structure (40) for a power head according to claim 3, wherein the connecting protrusion is provided with two first through holes (4153), the clamping plate (403) is provided with two second through holes, the baffle plate (416) is provided with two third through holes (4161), the first through holes (4153), the second through holes and the third through holes (4161) are correspondingly penetrated to form two fixing member mounting holes, and the two fixing member mounting holes are respectively provided with a first fastening member (404) and a second fastening member (405).

5. The carriage structure (40) for a powerhead of claim 2, wherein the carriage assembly (41) comprises a carriage main plate (41a) and a carriage auxiliary plate (41b), the carriage main plate (41a) and the carriage auxiliary plate (41b) enclosing a cavity structure, the pulley assembly (42) being disposed within the cavity structure; the main board (41a) of the sliding frame is provided with an assembling hole (41c) for the pulley component (42) to pass through.

6. The carriage structure (40) for a power head of claim 5, wherein the carriage assembly (41) further has a plurality of platen mounts (41d), each platen mount (41d) having a platen member (43) thereon, the platen members (43) being rotatably disposed on the platen mounts (41 d); the pressure plate mounting seat (41d) comprises a first mounting block (411) and a pressure plate supporting block (414); including clamp plate body (432) and setting on clamp plate piece (43) second installation piece (431) on clamp plate body (432), be equipped with first mounting hole (4111) on first installation piece (411), be equipped with second mounting hole (4311) on second installation piece (431), first mounting hole (4111) with second mounting hole (4311) are coaxial and are equipped with pivot (433).

7. The carriage structure (40) for a power head according to claim 6, wherein the pressure plate support block (414) is provided with a plurality of third mounting holes (4141), and the pressure plate body (432) is provided with fourth mounting holes (4321) corresponding to the third mounting holes (4141); a first mounting groove (412) is formed in the pressure plate supporting block (414), a second mounting groove (413) is formed in the carriage auxiliary plate (41b), a third mounting groove (4322) is formed in the pressure plate body (432), and the first mounting groove (412), the second mounting groove (413) and the third mounting groove (4322) are used for mounting wear-resisting plates; the platen member (43) has a step (434), and the step (434) abuts against the platen support block (414).

8. The carriage structure (40) for the power head according to claim 2, wherein the pulley assembly (42) includes a pulley yoke (422) and two pulleys (421) disposed on the pulley yoke (422), the two pulleys (421) are arranged along a length extending direction of the pulley yoke assembly (41), and the two connection slots (4221) or the two connection protrusions (415) are disposed between the two pulleys (421).

9. The carriage structure (40) for a power head according to claim 1, wherein a pressurizing cylinder connecting seat (401) is further provided on the top of the carriage assembly (41), and the pressurizing cylinder connecting seat comprises two lug plates, each of which is provided with a mounting lug hole (4011).

10. A rotary drilling rig, characterized by comprising a carriage structure (40) for a power head according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of engineering machinery, in particular to a sliding frame structure for a power head and a rotary drilling rig with the sliding frame structure for the power head.

Background

The rotary drilling rig is a construction machine for forming holes in building foundation engineering, is more and more widely applied to pile foundation hole forming construction, and not only reduces the labor intensity of traditional manual operation in the construction process, but also improves the construction efficiency.

The power device is an important component of the rotary drilling rig and provides torque for drilling of the rotary drilling rig. The power device of the rotary drilling rig generally comprises a power head, a hydraulic motor, a reduction gearbox, a speed reducer, a sliding frame, a connecting plate and the like. A pressurizing pulley and a pulling pulley are arranged on the sliding frame, and the steel wire rope realizes the pressurizing and pulling actions of the power head through the pressurizing pulley and the pulling pulley on the sliding frame; in the other rotary drilling rig, a pressurizing oil cylinder mounting seat is arranged on the sliding frame, and the pressurizing of the power head is realized by mounting the pressurizing oil cylinder.

Chinese patent application No. CN202011074407.0 discloses a fixing device of a pulley holder, a rotary drilling rig and a fixing method of a power head, wherein the fixing device 1 of the pulley holder comprises a pulley holder body 2, a pulley holder 3 and a plurality of square pins 4; the sliding frame body 2 is provided with a first guide groove 21 and a plurality of first square holes 22, the first square holes 22 are respectively arranged at two sides of the sliding frame body 2, the pulley seat 3 is arranged in the first guide groove 21, and the pulley seat 3 is provided with an upper pulley 31 and a lower pulley 31; the square pins 4 are respectively arranged in the first square holes 22, the square pins 4 are inserted between the two pulleys 31, and the pulley seat 3 is detachably fixed on the sliding frame body 2 through the square pins 4. The carriage body 2 is further provided with a second stopper 242 for limiting the square pin 4 from swinging back and forth. In the prior art, because the square pin 4 is a square pin shaft, the stress of the pulley seat 3 is vertically upward or downward in the construction process, and if the second stop block 242 at the outer side of the square pin 4 is loosened, the square pin 4 can shift and fall outwards under the condition of uneven vertical tension; secondly, because pulley holder 3 atress direction is vertical about, square round pin 4 can use second dog 242 position as the hinge point and rock, and the first square hole 22 that is used for wearing square round pin 4 on the carriage body 2 can warp through the certain time.

Chinese patent application No. CN202021702574.0 discloses a carriage assembly, a power head assembly and a rotary drilling rig, wherein the carriage assembly is used for cooperating with a pulley seat 20, and comprises a carriage 11 and a stop mechanism 12, and the stop mechanism 12 comprises a lower stop mechanism 100 for abutting against the pulley seat 20 and an upper stop mechanism 200 for locking the pulley seat 20. The pulley seat 20 in the prior art is fixed by limiting at four positions on the sliding frame 11, wherein the upper blocking mechanism 200 has a complex structure and more limiting positions, and the more the structure is, the higher the probability of generating faults is; in construction, the pulley seat 20 is stressed vertically upwards or downwards, and if the upper stop mechanism 200 fails to limit, the pulley yoke is separated due to vertical stress.

Disclosure of Invention

The invention aims to provide a sliding frame structure for a power head, which has a simple structure, is easy to install and disassemble a pulley assembly and can resist the impact of heavy load.

A sliding frame structure for a power head comprises a sliding frame component and a pulley component, wherein one of the sliding frame component and the pulley component is provided with a connecting lug, the length extending direction of the connecting lug is consistent with the thickness extending direction of the sliding frame component, the other one of the sliding frame component and the pulley component is provided with a connecting clamping groove matched with the connecting lug, and the pulley component is clamped into the sliding frame component along the thickness extending direction of the sliding frame component, and the connecting lug is embedded with the connecting clamping groove to fix the pulley component on the sliding frame component.

Furthermore, the number of the connecting lugs is two, and the connecting lugs are symmetrically arranged on the sliding frame component or the pulley component; each connecting bump has an upper surface and a lower surface; each connecting clamping groove is provided with an upper plane in contact fit with the upper surface and a lower plane in contact fit with the lower surface.

Furthermore, the clamping plate and the baffle are further included, the baffle is fixed at one end of the connecting lug, and the clamping plate is detachably fixed at the other end of the connecting lug.

Furthermore, two first through holes are formed in the connecting lug, two second through holes are formed in the clamping plate, two third through holes are formed in the baffle, the first through holes, the second through holes and the third through holes are communicated in a one-to-one correspondence mode to form two fixing piece mounting holes, and first fasteners and second fasteners are arranged in the two fixing piece mounting holes respectively.

Further, the sliding frame assembly comprises a sliding frame main plate and a sliding frame auxiliary plate, the sliding frame main plate and the sliding frame auxiliary plate enclose a cavity structure, and the pulley assembly is arranged in the cavity structure; the sliding frame main plate is provided with an assembly hole for the pulley component to pass through.

Furthermore, the sliding frame assembly is also provided with a plurality of pressure plate mounting seats, each pressure plate mounting seat is provided with a pressure plate piece, and the pressure plate pieces are rotatably arranged on the pressure plate mounting seats; the pressure plate mounting seat comprises a first mounting block and a pressure plate supporting block; the pressing plate comprises a pressing plate body and a second mounting block arranged on the pressing plate body, wherein a first mounting hole is formed in the first mounting block, a second mounting hole is formed in the second mounting block, and the first mounting hole and the second mounting hole are coaxial and are provided with a rotating shaft.

Furthermore, a plurality of third mounting holes are formed in the pressure plate supporting block, and fourth mounting holes corresponding to the third mounting holes are formed in the pressure plate body; the press plate supporting block is provided with a first mounting groove, the sliding frame auxiliary plate is provided with a second mounting groove, the press plate body is provided with a third mounting groove, and the first mounting groove, the second mounting groove and the third mounting groove are used for mounting the wear-resisting plate; the pressing plate part is provided with a step which is abutted against the pressing plate supporting block.

Further, loose pulley assembly includes the pulley yoke and sets up two pulleys on the pulley yoke, and two pulleys arrange the setting along the length extending direction of sliding frame subassembly, and two connecting groove or two connection lugs set up between two pulleys.

Furthermore, the top of the sliding frame component is also provided with a pressurizing oil cylinder connecting seat, the pressurizing oil cylinder connecting seat comprises two lug plates, and each lug plate is provided with a mounting lug hole.

The invention also provides a rotary drilling rig which is characterized by comprising the sliding frame structure for the power head.

The invention has the beneficial effects that: the power head is fixed pulley assembly on the carriage assembly through the cooperation of connecting lug and connecting slot with pulley assembly with the carriage assembly of balladeur train structure, simple structure, and pulley assembly easily installs and dismantles, and when pulley assembly produced upwards or decurrent pulling force, the impact of ability dead load was directly transmitted between power through connecting lug and the connecting slot.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make other objects, features, and advantages of the above-mentioned carriage structure for a power head and the rotary drilling rig of the present invention more clearly understandable, the following description will refer to the preferred embodiments and refer to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of a partial structure of a rotary drilling rig according to a preferred embodiment of the present invention.

Fig. 2 is a schematic view of a carriage structure for a power head according to a preferred embodiment of the present invention.

Fig. 3 is a schematic view of the structure of fig. 2 from another perspective.

Fig. 4 is a schematic view of the structure of fig. 2 from yet another perspective.

Figure 5 is a schematic view of a carriage assembly of the carriage configuration for a powerhead of a preferred embodiment of the present invention.

Fig. 6 is an enlarged schematic view of the area a in fig. 5.

Fig. 7 is a schematic view of the structure of fig. 5 from another perspective.

Fig. 8 is a partial schematic structure diagram of the area B in fig. 7 after enlargement.

Figure 9 is a schematic diagram of a pulley assembly of a carriage configuration for a powerhead in accordance with a preferred embodiment of the present invention.

FIG. 10 is a schematic view of a platen member of a carriage configuration for a power head in accordance with a preferred embodiment of the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purpose, the following detailed description will be made on the specific implementation, structure, features and effects of the carriage structure for a power head and the rotary drilling rig having the carriage structure for the power head according to the present invention with reference to the accompanying drawings and preferred embodiments as follows:

the foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings. While the present invention has been described in connection with the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and specific embodiments thereof.

As shown in fig. 1, the rotary drilling rig comprises a drill rod 1, a mast 2 and a power head 4, wherein the drill rod 1 of the rotary drilling rig penetrates through the power head 4, the power head 4 is connected to the mast 2 of the rotary drilling rig through a carriage structure 40 for the power head, the mast 2 is provided with a guide rail, and the power head 4 can run up and down along the guide rail.

Further, the rotary drilling rig further comprises a pressurizing oil cylinder 3, the pressurizing oil cylinder 3 is connected with the sliding frame structure 40, and the rotary drilling rig can use the sliding frame structure 40 under two working conditions of winch pressurization and oil cylinder pressurization. In the oil cylinder pressurization configuration, the power head 4 is lifted by the pressurization oil cylinder 3, and the extending and retracting of the oil cylinder 3 can drive the power head 4 to move up and down; in a similar way, in the process of winch pressurization, the steel wire rope is connected with the sliding frame structure 40, and the power head is lifted through the pressurization winch on the host machine, so that the functions of transmitting the pressurization force of the host machine and guiding the movement are achieved.

The sliding frame structure 40 for the power head comprises a sliding frame component 41 and a pulley component 42, wherein one of the sliding frame component 41 and the pulley component 42 is provided with a connecting lug 415, the length extending direction of the connecting lug 415 is consistent with the thickness extending direction of the sliding frame component 41, the other of the sliding frame component 41 and the pulley component 42 is provided with a connecting clamping groove 4221 matched with the connecting lug 415, and when the pulley component 42 is clamped into the sliding frame component 41 along the thickness extending direction of the sliding frame component 41, the connecting lug 415 is embedded with the connecting clamping groove 4221 to fix the pulley component 42 on the sliding frame component 41. As shown in fig. 3, the xx ' direction is a longitudinal extension direction of the carriage assembly 41, the yy ' direction is a width extension direction of the carriage assembly 41, and the zz ' direction is a thickness extension direction of the carriage assembly 41.

The slide frame assembly 41 and the pulley assembly 42 of the slide frame structure 40 for the power head are matched with the connecting clamping groove 4221 through the connecting lug 415, and the pulley assembly 42 can be synchronously fixed on the slide frame assembly 41 when being clamped into the slide frame assembly 41 from the thickness extending direction of the slide frame assembly 41, so that the structure is simple, the pulley assembly is easy to mount and dismount, when the pulley assembly 42 generates upward or downward tensile force, the force is directly transmitted between the connecting lug 415 and the connecting clamping groove 4221, and the impact of heavy load can be resisted. The pulley assembly 42 is assembled in the sliding frame assembly 41, and the pulley assembly and the sliding frame assembly are integrated, so that the reliability and the stability are better in the construction process.

The following description will be made by providing the connecting protrusion 415 on the carriage assembly 41 and the connecting slot 4221 on the pulley assembly 42, and the positions of the connecting protrusion 415 and the connecting slot 4221 may be interchanged in other embodiments. Specifically, referring to fig. 2 to 10, the number of the connecting bumps 415 is two, and the connecting bumps are symmetrically disposed on the carriage assembly 41; each connecting bump 415 has an upper surface 4151 and a lower surface 4152; each connector slot 4221 has an upper flat surface 42211 in contact engagement with the upper surface 4151 and a lower flat surface 42212 in contact engagement with the lower surface 4152. Each of the connection tabs 415 further includes a side surface (not labeled) connected between the upper surface 4151 and the lower surface 4152, and the connection slot 4221 further includes a side surface (not labeled) connected between the upper flat surface 42211 and the lower flat surface 42212, wherein the side surface of the connection slot 4221 is in contact fit with the side surface of the tab 415. That is, after the coupling protrusion 415 is engaged with the coupling groove 4221, the displacement of the pulley assembly 42 is restricted in the longitudinal extending direction and the width extending direction of the carriage assembly 41.

Further, the carriage structure 40 for a power head further includes a catch plate 403 and a flap 416, the flap 416 being fixed to one end of the coupling projection 415, and the catch plate 403 being detachably fixed to the other end of the coupling projection 415.

The connecting lug is provided with two first through holes 4153, the clamping plate 403 is provided with two second through holes, the baffle plate 416 is provided with two third through holes 4161, the first through holes 4153, the second through holes and the third through holes 4161 are communicated in a one-to-one correspondence manner to form two fixing piece mounting holes, and the two fixing piece mounting holes are respectively provided with a first fastening piece 404 and a second fastening piece 405. The catch plate 403 is secured by the first fastener 404 and the second fastener 405 and the stop plate 416 cooperate to limit the displacement of the pulley assembly 42 in the direction of the thickness extension of the carriage assembly 41.

Further, the carriage assembly 41 includes a carriage main plate 41a and a carriage auxiliary plate 41b, the carriage main plate 41a and the carriage auxiliary plate 41b enclose a cavity structure, and the pulley assembly 42 is disposed in the cavity structure; the carriage main plate 41a is provided with a mounting hole 41c through which the pulley assembly 42 passes.

The carriage assembly 41 further has a plurality of pressing plate mounting seats 41d, each pressing plate mounting seat 41d is provided with a pressing plate member 43, and the pressing plate member 43 is rotatably arranged on the pressing plate mounting seat 41 d.

Specifically, the platen mount 41d includes a first mount block 411 and a platen support block 414. As shown in fig. 10, the pressure plate member 43 includes a pressure plate body 432 and a second mounting block 431 provided on the pressure plate body 432. The first mounting block 411 is provided with a first mounting hole 4111, the second mounting block 431 is provided with a second mounting hole 4311, and the first mounting hole 4111 is coaxial with the second mounting hole 4311 and is provided with a rotating shaft 433 (as shown in fig. 2 or fig. 3). The number of the pressure plate mounting seats 41d is four, and each pressure plate mounting seat 41d is provided with one pressure plate member 43. In this embodiment, each platen mounting seat 41d is provided with two first mounting blocks 411, each platen member 43 is provided with two second mounting blocks 431, the two second mounting blocks 431 are located between the two first mounting blocks 411, and a rotating shaft 433 is installed between the two adjacent first mounting blocks 411 and the second mounting blocks 431.

Further, a plurality of third mounting holes 4141 are formed on the pressing plate supporting block 414, and a fourth mounting hole 4321 corresponding to the third mounting holes 4141 is formed on the pressing plate body 432; the pressing plate supporting block 414 is provided with a first mounting groove 412, the carriage auxiliary plate 41b is provided with a second mounting groove 413, the pressing plate body 432 is provided with a third mounting groove 4322, and the first mounting groove 412, the second mounting groove 413 and the third mounting groove 4322 are used for mounting the wear-resisting plate 45.

The pressing plate piece 43 can rotate by taking the rotating shaft 433 as a center, and the pressing plate piece 43 is assembled to the pressing plate mounting seat 41d to form a hinge form, so that the pressing plate piece can be opened and closed, the wear-resisting plate can be conveniently dismounted or maintained on site, and an auxiliary lifting device is not needed.

Further, a third fastening member 435 is provided in the third mounting hole 4141 and the fourth mounting hole 4321, and the third fastening member 435 fixes the platen member 43 to the platen mounting base 41d to restrict the rotation thereof.

Further, the pressure plate member 43 further has a step 434, and after the pressure plate member 43 is closed, the step 434 abuts against the pressure plate supporting block 414, so that a certain load resisting function can be achieved.

In this embodiment, the pulley assembly 42 includes a pulley frame 422 and two pulleys 421 disposed on the pulley frame 422, the two pulleys 421 are arranged along the length extending direction of the pulley frame assembly 41, and the two connecting slots 4221 or the two connecting protrusions 415 are disposed between the two pulleys 421. The pulley assembly 42 is assembled in the middle of the sliding frame assembly 41, and two pulleys 421 for hoisting and pressurizing are assembled on one pulley frame 422, so that one-time disassembly can be realized.

In this embodiment, the top of the carriage assembly 41 is further provided with a pressurizing cylinder connecting seat 401, the pressurizing cylinder connecting seat includes two ear plates, and each ear plate is provided with a mounting ear hole 4011. The sliding frame assembly 41 is connected with the pressurizing oil cylinder 3 through the mounting lug hole 4011, and the rotary drilling rig can realize the function switching of the main engine hoisting pressurization and the oil cylinder pressurization without replacing a sliding frame structure.

The pressurizing oil cylinder connecting seat 401 can be directly welded on the carriage main plate 41a and the carriage auxiliary plate 41b, and the pressurizing oil cylinder connecting seat 401 can also be manufactured into an independent weldment structure to be assembled and matched with the carriage main plate 41a and the carriage auxiliary plate 41b through a pin shaft connecting form capable of being rapidly disassembled.

The steel cable of the rotary drilling rig comprises a pull-out steel cable 441 and a pressurizing steel cable 442, and the carriage assembly 41 is provided with a first steel cable penetrating hole 418 for penetrating the pull-out steel cable 441 and a second steel cable penetrating hole 419 for penetrating the pressurizing steel cable 442. The first and second wire rope insertion holes 418 and 419 protect and limit the pull-up wire rope 441 and the pressure wire rope 442.

The carriage assembly 41 is also provided with a plurality of structure connection apertures 402, the structure connection apertures 402 for connection to the power head 4.

The above detailed description is made on the carriage structure for the power head and the rotary drilling rig with the carriage structure for the power head, and specific examples are applied in the description to explain the principle and the implementation mode of the invention, and the description of the above embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.