CN214221096U - Separating type double-bridge fixed-size chain cutting, washing and expanding forming drill bit - Google Patents

Abstract

The utility model belongs to the technical field of square pile hole excavates among the engineering machine tool, a shaping drill bit is surely washed to disconnect-type double bridge fixed dimension chain and expands is provided. The method comprises the following steps: the chain cutting device comprises a main shell, a chain cutting device and a chain cutting device, wherein the main shell is provided with a transmission mounting position and a chain cutting mounting position, the transmission mounting position is positioned on the top surface of the main shell, and the chain cutting mounting position is positioned on the peripheral side surface of the main shell; the transmission part is installed in the main shell and is in driving connection with the chain cutting mechanism; chain cutting mechanism, chain cutting mechanism installs main casing body is all around, and is located the chain and cut the installation position on, chain cutting mechanism includes cutting knife, chain and tooth group, tooth group rotates to be installed in the chain cuts the installation position, the chain is installed the tooth is organized, the cutting knife has many places, and fixed mounting be in on the chain. The split type double-bridge fixed-size chain cutting, washing and expanding forming drill bit can improve square hole excavating efficiency, replaces manual operation, and is suitable for industrial popularization.

Description

Separating type double-bridge fixed-size chain cutting, washing and expanding forming drill bit

Technical Field

The utility model relates to an engineering machine tool square hole stake excavates technical field, concretely relates to disconnect-type double bridge fixed dimension chain surely washes and expands shaping drill bit.

Background

In the existing engineering operation, because square hole piles are generally large in size and large in diameter, are more suitable for bearing larger vertical and lateral stress, and are widely applied to various side slope supports, anti-skid pile foundation supports and large bearing foundations, the requirements on the square hole piles are very large, but the existing square hole forming scheme generally adopts dry operation manual retaining wall excavation, namely manual pile excavation, has slow excavation progress, geological hydrologic limitation, underwater excavation under slurry retaining walls and limited excavation depth, the safety coefficient of manual operation is low, casualty accidents are easy to occur, or a traditional mode of drilling round holes is adopted, an engineering machine is used for drilling round holes, then a square metal frame is placed on the round holes, the square metal frame is continuously pressed downwards through the machine, the round holes are changed into square holes through strength, but the method is only suitable for soft soil, can not be suitable for hard rock layer, because the utility model discloses the device is from having drive cutting device, adopts this device to realize digging machinery soon and digging mechanical at various soil layers, the high-efficient shaping square hole of stratum, can be dry hole, under water, mud dado down the complicated geology hydrology condition such as realize square pile hole tunnelling pore-forming.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a two bridge fixed dimension chains of disconnect-type surely wash and expand shaping drill bit to improve square hole and excavate efficiency, reduce manual work. The utility model provides a pair of two bridge fixed dimension chains of disconnect-type surely wash and expand shaping drill bit, include: the chain cutting device comprises a main shell, a chain cutting device and a chain cutting device, wherein the main shell is provided with a transmission mounting position and a chain cutting mounting position, the transmission mounting position is positioned on the top surface of the main shell, and the chain cutting mounting position is positioned on the peripheral side surface of the main shell; the transmission part is installed in the main shell and is in driving connection with the chain cutting mechanism; chain cutting mechanism, chain cutting mechanism installs main casing body is all around, and is located the chain and cut the installation position on, chain cutting mechanism includes cutting knife, chain and tooth group, tooth group rotates to be installed in the chain cuts the installation position, the chain is installed the tooth is organized, the cutting knife has many places, and fixed mounting be in on the chain.

Further, the method also comprises the following steps: the leveling plates are positioned on four sides of the main shell and are upwards leaned; the leveling plate is fixedly mounted on the main shell. The main shell is made of steel plates through welding.

Further, chain cutting mechanism has first chain and cuts leveling mechanism, second chain and cuts leveling mechanism, third chain and cuts leveling mechanism and fourth chain and cut leveling mechanism, is located respectively main casing body is all around, and the leveling mechanism is cut to the chain in the four places constitutes the closed loop.

Further, the transmission part comprises a main driving shaft and a chain cutting transmission mechanism, the main driving shaft is arranged in the transmission installation position, and the main driving shaft is in driving connection with the chain cutting transmission mechanism.

Further, the chain cutting transmission mechanism comprises a driving shaft and a transmission shaft, wherein the driving shaft comprises a first driving shaft and a second driving shaft; the transmission shaft includes: a first drive shaft and a second drive shaft; the first driving shaft and the second driving shaft are respectively positioned on the bottom end surface of the main driving shaft and are in transmission connection with the main driving shaft, and the first driving shaft is positioned in the main shell and is in driving connection with the first chain cutting and leveling mechanism and the third chain cutting and leveling mechanism; the second driving shaft is positioned in the main shell and is in a direction vertical to the axial direction of the first driving shaft; and the second driving shaft is in driving connection with the second chain cutting and leveling mechanism and the fourth chain cutting and leveling mechanism.

Further, the tooth group includes drive gear, leading gear, supporting gear and take-up pulley, drive gear fixed mounting is in on the transmission shaft, and be located the transmission shaft terminal surface, leading gear rotates to be installed on the main casing body, and be close to casing bottom four corners department, supporting gear rotates to be installed on the casing, and with the same water flat line's in leading gear axle center rear, the take-up pulley is installed drive gear one side.

Furthermore, the first driving shaft is an adjustable telescopic rod and is provided with a fixed section and an adjusting section, the fixed section is rotatably installed in the transmission shaft, and the adjusting section is installed on the fixed section.

Further, the first driving shaft further comprises a variable torque sleeve, and the variable torque sleeve is rotatably mounted on the first driving shaft and located on the adjusting section.

Further, the differential mechanism is installed in the transmission part and located in the transmission shaft.

According to the above technical scheme, the utility model provides a pair of disconnect-type double bridge fixed dimension chain surely washes the beneficial effect who expands the shaping drill bit: (1) the chain cutting mechanism is arranged on the periphery of the main shell, the transmission part is used for driving the chain cutting mechanism to rotate, holes in contact with the chain cutting mechanism are trimmed, and round holes in trimming are trimmed into square holes in the peripheral direction of the chain cutting mechanism; (2) in practical application, the driving of the transmission part reduces the manual operation process and improves the efficiency; (3) the cutting knife is arranged on the chain, the cutting is enabled to level the earthwork continuously through the continuous rotation of the chain, and meanwhile, the flexibility of the chain is utilized, so that the cutting knife is not worried about the fracture caused by too strong rigidity in the cutting process; (4) meanwhile, the installation mode is more favorable for facilitating the replacement of the cutting knife; (5) simultaneously, a plurality of cutting knives on the chain can not lead to integral stop work because of the damage of one cutting knife, and the chain cutting machine is more favorable for practical use.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings that are needed to describe the embodiments or the prior art will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view taken at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the view shown at b in FIG. 2;

fig. 4 is a schematic structural view of a first driving shaft of the present invention;

fig. 5 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 6 is a schematic structural diagram of embodiment 3 of the present invention;

fig. 7 is a schematic side view of embodiment 3 of the present invention;

reference numerals: the main housing 1, the transmission installation position 11, the chain cutting installation position 12, the transmission part 2, the main drive shaft 21, the chain cutting transmission mechanism 22, the drive shaft 221, the first drive shaft 2211, the second drive shaft 2212, the drive shaft 222, the first drive shaft 2221, the second drive shaft 2222, the fixed section 100, the adjusting section 200, the gear transmission set 1000, the variable moment sleeve 300, the chain cutting mechanism 3, the cutting knife 31, the chain 32, the tooth set 33, the gear 331, the guide gear 332, the support gear 333, the tensioning wheel 334, the support middle wheel 335, the first chain cutting and leveling mechanism 34, the second chain cutting and leveling mechanism 35, the third chain cutting and leveling mechanism 36, the fourth chain cutting and leveling mechanism 37, the leveling plate 4, the single-drive transmission part 5, the main drive tooth 51, the first drive shaft 52, the second drive shaft 53, the third drive shaft 54, the fourth drive shaft 55, the bevel gear transmission mechanism 56, the differential 6, the single-drive three-shaft four-way transmission part 7, the main drive tooth 71, the transmission part 71, A first transmission shaft 72, a second transmission shaft 73, a third transmission shaft 74 and a connecting shaft 75.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

The embodiment is basically as shown in the attached figures 1 to 3:

example 1:

as shown in fig. 1 to 4, the split-type double-bridge fixed-size chain cutting, washing and expanding forming drill bit provided by the embodiment can improve the square hole digging efficiency and reduce manual work in the process of digging a square hole in engineering operation. The chain cutting machine specifically comprises a main shell 1, a transmission part 2 and a chain cutting mechanism 3, wherein the main shell 1 is provided with a transmission installation position 11 and a chain cutting installation position 12, the transmission installation position 11 is positioned on the top surface of the main shell 1, and the chain cutting installation position 12 is positioned on the peripheral side surface of the main shell 1; the transmission part 2 is arranged in the main shell 1, and the transmission part 2 is in driving connection with the chain cutting mechanism 3; chain cutting mechanism 3 is installed around main casing 1, and is located chain cutting installation position 12 on, and chain cutting mechanism 3 includes cutting knife 31, chain 32 and tooth group 33, and tooth group 33 rotates to be installed in chain cutting installation position 12, and chain 32 is installed on tooth group 33, and cutting knife 31 has many places, and fixed mounting is on chain 32. In practical application, the chain cutting mechanism 3 is arranged on the periphery of the main shell 1, the transmission part 2 is used for driving the chain cutting mechanism 3 to rotate, holes in contact with the chain cutting mechanism 3 are trimmed, and round holes in trimming are trimmed to be square holes in the circumferential direction of the chain cutting mechanism; in practical application, the process of manual operation is reduced and the efficiency is improved by driving the transmission part 2; the cutting knife 31 is arranged on the chain 32, the cutting is enabled to continuously level the earthwork through the continuous rotation of the chain 32, and meanwhile, the flexibility of the chain 32 is utilized, so that the worry of fracture caused by too strong rigidity is avoided in the cutting process; meanwhile, the installation mode is more favorable for facilitating the replacement of the cutting knife 31; meanwhile, the cutting knives 31 at multiple positions on the chain 32 cannot stop working integrally due to the damage of one cutting knife 31, and actual use is facilitated.

As shown in fig. 1, in order to further flatten the square hole, the method further comprises: the leveling plate 4 is positioned on four sides of the main shell 1 and is upwards leaned; the screed 4 is fixedly mounted on the main housing 1. In practice, the screed 4 is made of steel and is welded to the main housing 1. This main casing body 1 also adopts the steel material welding to form simultaneously, and this flattening board 4 is similar to the floating process of cement shop on the ground, and through flattening board 4 with the further floating renovation of square hole, this mode reasonable in design simple structure also can utilize this flattening board 4 to transport simultaneously.

Referring to fig. 2, in order to better excavate the square hole, the chain cutting mechanism 3 has a first chain cutting and leveling mechanism 34, a second chain cutting and leveling mechanism 35, a third chain cutting and leveling mechanism 36 and a fourth chain cutting and leveling mechanism 37, which are respectively located around the main housing 1, and the chain cutting and leveling mechanisms at four positions form a closed loop. By forming a closed loop. Make this square hole at the excavation in-process, more be favorable to digging the square hole successfully, form the square hole that does not have the protruding angle, more be favorable to reducing manual work's process, improved the shaping efficiency of square hole.

Of course, as shown in fig. 1 to 3, the transmission part 2 includes a main drive shaft 21 and a chain cutting transmission mechanism 22, the main drive shaft 21 is installed in the transmission installation position 11, and the main drive shaft 21 is drivingly connected to the chain cutting transmission mechanism 22. The main driving shaft 21 in the rotating part is a square shaft and has two pin controls, which is beneficial to pin holes to carry out connection rotation in practical application. The chain cutting transmission mechanism 22 adopted at the same time specifically comprises a driving shaft 221 and a transmission shaft 222, wherein the driving shaft 221 comprises a first driving shaft 2211 and a second driving shaft 2212; the drive shaft 222 includes: a first drive shaft 2221 and a second drive shaft 2222; the first driving shaft 2211 and the second driving shaft 2212 are respectively positioned on the bottom end face of the main driving shaft 21 and are in transmission connection with the main driving shaft 21, and the first driving shaft 2221 is positioned inside the main shell 1 and is in driving connection with the first chain cutting and leveling mechanism 34 and the third chain cutting and leveling mechanism 36; the second driving shaft 2212 is positioned inside the main shell 1 and is in a direction perpendicular to the axial direction of the first driving shaft 2211; the second driving shaft 2212 is in driving connection with the second chain cutting and flattening mechanism 35 and the fourth chain cutting and flattening mechanism 37. The driving shaft 221 and the driving shaft 222 are driven by the gear 331, the driving mode is reasonable, the driving shaft 221 and the driving shaft 222 at two positions are facilitated, the chain cutting mechanism 3 of the main shell 1 is realized, the four-direction rotation leveling of the four peripheral surfaces is realized, the number of driving components is reduced, and meanwhile, the reliability of the device is also improved. Of course, in actual use, the gear transmission set 1000 is often used to transmit the shaft to the shaft.

Of course, during the recycling process, the first driving shaft 2211 is an adjustable telescopic rod, and as shown in fig. 4, the first driving shaft 2211 has a fixed section 100 and an adjusting section 200, the fixed section 100 is rotatably installed in the driving shaft 222, and the adjusting section 200 is installed on the fixed section 100. Thus, in practice, the rotation and disengagement of the first drive shaft 2211 can be achieved by adjusting the length of the first drive shaft 2211. So that the trimming of the other two side edges is more facilitated in the application process.

Of course, since the first driving shaft 2211 is an adjustable telescopic rod, the first driving shaft 2211 further includes a torque-variable sleeve 300, and the torque-variable sleeve 300 is rotatably mounted on the first driving shaft 2211 and located on the adjusting section 200, in practical applications, the torque-variable sleeve 300 can be changed in position to realize the torque-variable of the first driving shaft 2211, and the change is implemented by using an internal and external thread connection manner. The variable torque is realized by adjusting the position change of the two.

Example 2:

as shown in fig. 5, the single-drive transmission part 5 of the present embodiment can be driven by a single shaft, and the four-shaft transmission shaft rotates to drive the chain cutting mechanism to work. The main driving shaft 21 is rotatably mounted in the main housing and located at the transmission mounting position 11, wherein the main driving shaft 21 is provided with the main driving teeth 51 at the shaft end, and the first transmission shaft 52 and the second transmission shaft 53 are provided with the bevel gear transmission mechanisms 56 at the shaft ends close to the main driving shaft 21, and the number of teeth in the bevel gear transmission mechanisms 56 at the two positions is the same. The design can ensure that the rotating speeds of the first transmission shaft 52 and the second transmission shaft 53 are different, and simultaneously, the drill bit can be prevented from twisting and rotating during drilling;

meanwhile, in the axial direction of the middle position of the first transmission shaft 52 and the second transmission shaft 53, a bevel gear transmission mechanism 56 is also installed, wherein the third transmission shaft 54 is in transmission connection with the first transmission shaft 52 through the bevel gear transmission mechanism 56, the same fourth transmission shaft 55 is in transmission connection with the second transmission shaft 53 through the bevel gear transmission mechanism 56, the number of teeth of the bevel gear transmission mechanisms 56 at the two positions is different, and the number of teeth of the bevel gear transmission mechanisms 56 at the four positions is different. In practical application, the rotating speeds of the four chain cutting mechanisms 3 can be different. The bevel gear mechanism 56 functions as a differential 6 and also has a gear transmission function in application.

Example 3:

as shown in fig. 6 and 7, the present embodiment provides a single-drive three-axis four-directional transmission part 7, which can drive three-axis transmission to realize four-axis rotation and drive the chain cutting mechanism 3 to rotate. Which comprises the following steps of; a main drive shaft 21, main drive teeth 71, a first transmission shaft 72, a second transmission shaft 73, a third transmission shaft 74, a connecting shaft 75, a differential 6 and a bevel gear transmission 57; the main driving gear 71 is fixedly mounted at the shaft end of the main driving shaft 21, and is close to the direction in the main housing 1, and meanwhile, the first transmission shaft 72 and the second transmission shaft 73 are in transmission connection with the main driving gear 71 through the bevel gear transmission mechanism 57. The connecting shaft 75 is also in transmission connection with the bevel gear transmission mechanism 57 and is positioned below the main driving gear 71; meanwhile, the lower part of the connecting shaft 75 is in driving connection with a third transmission shaft 74 through a differential 6, the first transmission shaft 72 and the second transmission shaft 73 respectively drive the first chain cutting and leveling mechanism 34 and the third chain cutting and leveling mechanism 36, and two ends of the third transmission shaft 74 respectively drive the second chain cutting and leveling mechanism 35 and the fourth chain cutting and leveling mechanism 37.

The gear set 33 includes a driving gear 331, a guiding gear 332, a supporting gear 333 and a tension wheel 334, the driving gear 331 is fixedly mounted on the transmission shaft 222 and is located at an end face of the transmission shaft 222, the guiding gear 332 is rotatably mounted on the main housing 1 and is close to four corners of the bottom of the housing, the supporting gear 333 is rotatably mounted on the housing and is behind the same horizontal line with the axis of the guiding gear 332, and the tension wheel 334 is mounted on one side of the driving gear 331. In practical applications, the chain 32 is driven integrally by the driving wheel, the chain 32 is supported and guided by the guide wheel and the support wheel, and then the chain 32 is tensioned by the tensioning wheel 334, so that the chain 32 rotates. Of course, if the actual chain length is longer than 1.5 m, the chain support device further comprises a support middle wheel 335 for supporting the chain 32.

In actual work, firstly, drilling a hole again, lifting the device above the hole, enabling the device to be in contact with the hole, then starting the device to enable the device to continuously cut the hole to the wall of the hole in four directions, taking out the device after the square hole is formed, completely taking out soil in the square hole through the soil taking device, and finally realizing the square hole.

To sum up, this shaping drill bit is surely washed to fixed size chain of disconnect-type double bridge, structural design is reasonable, can realize the flattening to the pore wall four directions, and can realize twice renovation, the in-process of using the device to make the operation of drilling the square hole, great reduction artifical the participation, improved work efficiency, the design of the variable moment of adoption and adjustable first drive shaft 2211 simultaneously, in the use, produce different trimming force, can not produce the axial rotation that produces by chain cutting mechanism 3, the working process of messenger, it is more stable.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (9)

1. The utility model provides a shaping drill bit is surely washed to two bridge fixed dimension chains of disconnect-type, which characterized in that includes:

the chain cutting device comprises a main shell, a chain cutting device and a chain cutting device, wherein the main shell is provided with a transmission mounting position and a chain cutting mounting position, the transmission mounting position is positioned on the top surface of the main shell, and the chain cutting mounting position is positioned on the peripheral side surface of the main shell;

the chain cutting mechanism is arranged on the periphery of the main shell and is positioned on a chain cutting installation position, the chain cutting mechanism comprises a cutting knife, a chain and a tooth group, the tooth group is rotatably arranged in the chain cutting installation position, the chain is arranged on the tooth group, and the cutting knife is provided with a plurality of positions and is fixedly arranged on the chain;

the transmission part is installed in the main shell, and the transmission part is in driving connection with the chain cutting mechanism.

2. The split double-bridge fixed-size chain cutting, washing and expanding shaping drill bit as claimed in claim 1, further comprising: the leveling plates are positioned on four sides of the main shell and are upwards leaned; the leveling plate is fixedly mounted on the main shell.

3. The split type double-bridge fixed-size chain cutting, washing and expanding forming drill bit as claimed in claim 1, wherein the chain cutting mechanism comprises a first chain cutting and leveling mechanism, a second chain cutting and leveling mechanism, a third chain cutting and leveling mechanism and a fourth chain cutting and leveling mechanism, the first chain cutting and leveling mechanism, the second chain cutting and leveling mechanism, the third chain cutting and leveling mechanism and the fourth chain cutting and leveling mechanism are respectively located on the periphery of the main shell, and the four chain cutting and leveling mechanisms form a closed ring.

4. The split double-bridge fixed-size chain cutting, washing and expanding profile drill bit as claimed in claim 1, wherein said transmission portion comprises a main driving shaft and a chain cutting transmission mechanism, said main driving shaft is installed in said transmission installation position, and said main driving shaft is in driving connection with said chain cutting transmission mechanism.

5. The split double-bridge fixed-size chain cutting, washing and expanding forming drill bit as claimed in claim 4, wherein the chain cutting transmission mechanism comprises a driving shaft and a transmission shaft, the driving shaft comprises a first driving shaft and a second driving shaft; the transmission shaft includes: a first drive shaft and a second drive shaft; the first driving shaft and the second driving shaft are respectively positioned on the bottom end surface of the main driving shaft and are in transmission connection with the main driving shaft, and the first driving shaft is positioned in the main shell and is in driving connection with the first chain cutting and leveling mechanism and the third chain cutting and leveling mechanism; the second driving shaft is positioned in the main shell and is in a direction vertical to the axial direction of the first driving shaft; and the second driving shaft is in driving connection with the second chain cutting and leveling mechanism and the fourth chain cutting and leveling mechanism.

6. The split type double-bridge fixed-size chain cutting, washing and expanding forming drill bit as claimed in claim 5, wherein the gear set comprises a driving gear, a guide gear, a support gear and a tension wheel, the driving gear is fixedly mounted on the transmission shaft and located on an end face of the transmission shaft, the guide gear is rotatably mounted on the main housing and close to four corners of the bottom of the housing, the support gear is rotatably mounted on the housing and behind the same horizontal line with the axis of the guide gear, and the tension wheel is mounted on one side of the driving gear.

7. The split double-bridge fixed-dimension chain cutting, washing and expanding profile drill bit as claimed in claim 5, wherein the first driving shaft is an adjustable telescopic rod, the first driving shaft has a fixed section and an adjusting section, the fixed section is rotatably installed in the driving shaft, and the adjusting section is installed on the fixed section.

8. The split double bridge fixed dimension chain cutting, washing and reaming profile bit of claim 7, wherein the first drive shaft further comprises a variable torque sleeve rotatably mounted on the first drive shaft and located on the adjustment section.

9. The split double-axle fixed-dimension chain cutting and reaming profiled drill bit according to claim 5, further comprising a differential mounted in the transmission section and located in the transmission shaft.

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