CN218954202U

CN218954202U - Pneumatic push bench

Info

Publication number: CN218954202U
Application number: CN202223481456.3U
Authority: CN
Inventors: 王富远; 张伟; 李宁; 董贤红; 李刚; 甘俊
Original assignee: Xinyang Dayu Water Conservancy Engineering Co ltd
Current assignee: Xinyang Dayu Water Conservancy Engineering Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-02
Anticipated expiration: 2032-12-05

Abstract

The utility model belongs to the technical field related to push bench, and particularly provides a pneumatic push bench which comprises a machine body shell, a driving assembly, a transmission assembly and a drill bit assembly, wherein the interior of the machine body shell is divided into a first installation cavity and a second installation cavity through a fixed base; the drill bit assembly comprises a spiral drill bit, a rotary cutting blade and a plurality of spinning rollers, wherein a driving shaft of the spiral drill bit and a driving shaft of the pneumatic motor are coaxially arranged, the rotary cutting blade is rotatably arranged on the driving shaft through a transmission mounting seat, and the spinning rollers are rotatably arranged on one side, far away from a cutting edge, of the rotary cutting blade, so that the driving shaft drives the rotary cutting blade to rotate on a tangential plane of a working end.

Description

Pneumatic push bench

Technical Field

The utility model belongs to the technical field related to push bench, and particularly relates to a pneumatic push bench.

Background

The push pipe construction is carried out by pushing the tool pipe or the heading machine from the working well to the receiving well by means of the pushing force of the main top oil cylinder, the relay between the pipelines and the like, the machine used for the construction process is provided with the push pipe machine, the existing push pipe machine is hydraulic, the push pipe machine is suitable for long-distance and large-scale road penetrating construction, the structure is complex, the volume is large, and the push pipe machine is not suitable for short-distance road penetrating construction.

Disclosure of Invention

The utility model provides a pneumatic push bench which is used for solving the problems in the prior art.

The embodiment of the utility model provides a pneumatic pipe jacking machine, which comprises a machine body shell, a driving assembly, a transmission assembly and a drill bit assembly, wherein the interior of the machine body shell is divided into a first installation cavity and a second installation cavity through a fixed base, the driving assembly is arranged in the first installation cavity, the transmission assembly is arranged in the second installation cavity, a driving shaft of the driving assembly is transmitted to the drill bit assembly through the transmission assembly, the drill bit assembly is arranged at the working end of the machine body shell, and a high-pressure air inlet of a pneumatic motor of the driving assembly is arranged at the air supply end of the machine body shell; the drill bit assembly comprises a spiral drill bit, rotary cutting blades and a plurality of spinning rollers, wherein a driving shaft of the spiral drill bit and a driving shaft of the pneumatic motor are coaxially arranged, the rotary cutting blades are rotatably arranged on the driving shaft through a transmission mounting seat, the spinning rollers are rotatably arranged on one side, far away from a cutting edge, of the rotary cutting blades, so that the driving shaft drives the rotary cutting blades to rotate on a tangent plane of the working end.

In the technical scheme, the first installation cavity and the second installation cavity are formed by separating the fixed base, so that the driving assembly and the transmission assembly are conveniently arranged in the machine body shell through the fixed base, and shaking is avoided; the driving component comprises a pneumatic motor and supplies air to the pneumatic motor through a high-pressure air inlet arranged on the machine body shell so as to ensure the power source of the pneumatic motor and achieve the purpose of passing through the function of the pneumatic motor; the drill bit subassembly sets up at engine body shell's work end, and specifically include auger bit, rotary-cut blade and a plurality of spinning gyro wheel, make can drive auger bit through air motor and drive assembly, rotary-cut blade and a plurality of spinning gyro wheel rotate jointly, reach the purpose of rotating the trompil through the drill bit subassembly, wherein along with push in of push bench, the rotary-cut blade can cut the loose soil body of auger bit into pieces, and a plurality of spinning gyro wheels can roll the soil body that the rotary-cut blade cut, and under the effect of centrifugal force, the soil body that will roll is unscrewed, accomplish the purpose of trompil, holistic simple structure need not to excavate greatly, can construct futilely, can solve the short distance construction problem of crossing, labour saving and time saving, also can effectively reduce cost.

Further, the driving assembly comprises the pneumatic motor and a speed reducer, and a driving shaft of the pneumatic motor penetrates out of the first mounting cavity after being decelerated by the speed reducer and is in transmission connection with the transmission assembly.

According to the technical scheme, the pneumatic motor is reduced by the speed reducer and then is transmitted to the spiral drill bit, so that the rotating speed of the spiral drill bit is reduced, the rotating speed of the spiral drill bit is kept low, and the rotary cutting blade and the spinning roller can conveniently roll and centrifugally separate soil.

Further, the driving shaft of the pneumatic motor passes through the fixed base and the working end of the machine body shell and is coaxially arranged with the spiral drill bit, so that the pneumatic motor drives the spiral drill bit to rotate after being decelerated by the speed reducer.

In the technical scheme, the driving shaft of the pneumatic motor is directly driven to the spiral drill bit, so that the transmission loss is small.

Further, the transmission assembly comprises a driving sprocket, a driven sprocket, a linkage gear and a transmission shaft, wherein the driving sprocket is sleeved at the position of the driving shaft penetrating through the fixed base, the driving sprocket is transmitted to the driven sprocket arranged on the fixed base through a transmission chain, the driven sprocket is transmitted to the linkage gear through the transmission shaft, and the linkage gear is transmitted to the rotary cutting blade through the transmission mounting seat.

In the above technical scheme, the driving sprocket and the driven sprocket are both arranged on the fixed base, the linkage gear is arranged on the inner side wall of the machine body shell, and the driving sprocket and the driven sprocket are sleeved with the transmission chain, so that the driven sprocket can be driven to rotate when the driving sprocket rotates under the drive of the driving shaft, and then the driven sprocket rotates to the linkage gear through the transmission shaft, and the rotary cutting blade and the spinning roller are driven to rotate due to the arrangement of the linkage gear, so that effective transmission is completed.

Further, the linkage gear comprises a large gear and a small gear, the large gear and the transmission shaft are coaxially arranged, the small gear is sleeved on the transmission mounting seat, and the small gear is meshed with the large gear.

In the technical scheme, the diameter of the large gear is larger than that of the small gear, and the large gear and the transmission shaft are coaxially arranged, so that the rotating speed of the large gear is consistent with that of the driving shaft, when the large gear is transmitted to the small gear, the rotating speed of the small gear can be effectively increased, the rotating speed of the rotary mounting seat is faster, the rotary cutting blade and the rotary pressing roller have higher centrifugal force, and the purpose of centrifugal separation of soil bodies is achieved.

Further, anti-rotation wing plates are uniformly arranged on the outer side of the engine body shell.

In the technical scheme, the anti-rotation wing plate can effectively prevent the engine body shell from accidentally rotating in the opened hole.

Further, a traction ring is arranged at the air supply end of the engine body shell.

In the technical scheme, the traction ring can be provided with the traction rope so as to recycle the push bench.

In summary, the utility model provides a pneumatic push bench, which has the beneficial effects that:

(1) The driving assembly and the transmission assembly are arranged in the machine body shell to rapidly drive the drill bit assembly, so that the whole structure is simple, the input cost is low, the time and the labor are saved, and the machine is also suitable for short-distance road construction;

(2) The drill bit assembly comprises a spiral drill bit, and also comprises a rotary cutter blade and a spinning roller, so that the soil body can be centrifugally separated, and the purposes of no need of large excavation, no generation of spoil and dry construction are achieved.

Drawings

FIG. 1 is a schematic perspective view of a pneumatic push bench according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a cross-sectional structure of the utility model based on FIG. 1;

FIG. 3 is a schematic view of a cross-sectional B-B structure based on FIG. 1 according to the present utility model;

FIG. 4 is a schematic view of the C-C cross-sectional structure based on FIG. 1 according to the present utility model.

The name corresponding to the reference sign in the attached drawing is 101, the housing; 102. a drive assembly; 103. a transmission assembly; 104. a drill bit assembly; 105. installing a first cavity; 106. installing a second cavity, 107 and a driving shaft; 108. a pneumatic motor; 109. a high pressure air inlet; 110. a helical drill; 111. a rotary cutting blade; 112. spinning roller; 113. a transmission mounting seat; 114. a driving shaft; 115. a speed reducer; 116. a fixed base; 118. a drive sprocket; 119. driven sprocket; 120. a linkage gear; 121. a transmission shaft; 122. a drive chain; 123. a large gear; 124. a pinion gear; 125. anti-rotation wing plates; 126. a traction ring.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.

The utility model is further described below with reference to fig. 1 to 4.

Example 1:

referring to fig. 1 to 4, the present embodiment provides a pneumatic push bench, including a housing 101, a driving assembly 102, a transmission assembly 103 and a drill bit assembly 104, where the interior of the housing 101 is divided into a first installation cavity 105 and a second installation cavity 106 by a fixing base 116, the driving assembly 102 is disposed in the first installation cavity 105, the transmission assembly 103 is disposed in the second installation cavity 106, a driving shaft 107 of the driving assembly 102 is transmitted to the drill bit assembly 104 by the transmission assembly 103, the drill bit assembly 104 is disposed at a working end of the housing 101, and a high-pressure air inlet 109 of a pneumatic motor 108 of the driving assembly 102 is disposed at an air supply end of the housing 101; the drill bit assembly 104 comprises a spiral drill bit 110, rotary cutting blades 111 and a plurality of spinning rollers 112, wherein a driving shaft 114 of the spiral drill bit 110 and a driving shaft 107 of the pneumatic motor 108 are coaxially arranged, the rotary cutting blades 111 are rotatably arranged on the driving shaft 114 through a transmission mounting seat 113, and the spinning rollers 112 are rotatably arranged on one side, far away from a cutting edge, of the rotary cutting blades 111, so that the driving shaft 114 drives the rotary cutting blades 111 to rotate on a tangent plane of a working end.

In the above embodiment, the first installation cavity 105 and the second installation cavity 106 are formed by being separated by the fixed base 116, so that the driving component 102 and the transmission component 103 are conveniently arranged inside the machine body shell 101 through the fixed base 116, and shaking is avoided; the driving assembly 102 comprises a pneumatic motor 108, and supplies air to the pneumatic motor 108 through a high-pressure air inlet 109 arranged on the machine body shell 101 so as to ensure the power source of the pneumatic motor 108 and achieve the purpose of passing through the function of the pneumatic motor 108; the drill bit assembly 104 is arranged at the working end of the machine body shell 101 and specifically comprises a spiral drill bit 110, a rotary cutting blade 111 and a plurality of spinning rollers 112, so that the spiral drill bit 110, the rotary cutting blade 111 and the spinning rollers 112 can be driven by the pneumatic motor 108 and the transmission assembly 103 to jointly rotate, the purpose of opening holes through rotation of the drill bit assembly 104 is achieved, the rotary cutting blade 111 can cut loose soil body of the spiral drill bit 110 into pieces along with pushing of the pipe jacking machine, the spinning rollers 112 can roll the soil body cut by the rotary cutting blade 111 and unscrew the rolled soil body under the action of centrifugal force, the purpose of opening the holes is achieved, the whole structure is simple, large excavation is not needed, waste soil is not produced, dry construction can be achieved, the problem of short-distance road construction can be solved, time and labor are saved, and cost can be effectively reduced.

Example 2:

in combination with the above embodiment, as shown in fig. 1, the driving assembly 102 includes the air motor 108 and the speed reducer 115, the driving shaft 107 of the air motor 108 passes through the first mounting cavity 105 after being decelerated by the speed reducer 115, and is in transmission connection with the transmission assembly 103, specifically, the driving shaft 107 of the air motor 108 passes through the fixing base 116 and the working end of the housing 101 and is coaxially disposed with the auger bit 110, so that the air motor 108 drives the auger bit 110 to rotate after being decelerated by the speed reducer 115.

The pneumatic motor 108 of the above embodiment is reduced in speed by the speed reducer 115 and then is driven to the auger bit 110 to reduce the rotational speed of the auger bit 110, so that the rotational speed of the auger bit 110 is kept low, and the rotary cutting blade 111 and the spinning roller 112 are convenient for rolling and centrifuging the soil.

Example 3:

in combination with the above embodiment, as shown in fig. 1, 2 and 3, the transmission assembly 103 includes a driving sprocket 118, a driven sprocket 119, a linkage gear 120 and a transmission shaft 121, the driving sprocket 118 is sleeved at a position where the driving shaft 107 passes through the fixing base 116, the driving sprocket 118 is transmitted to the driven sprocket 119 disposed on the fixing base 116 through a transmission chain 122, the driven sprocket 119 is transmitted to the linkage gear 120 through the transmission shaft 121, and the linkage gear 120 is transmitted to the rotary cutting blade 111 through the transmission mounting base 113.

The linkage gear 120 includes a large gear 123 and a small gear 124, the large gear 123 and the transmission shaft 121 are coaxially arranged, the small gear 124 is sleeved on the transmission mounting seat 113, and the small gear 124 is meshed with the large gear 123.

The driving sprocket 118 and the driven sprocket 119 in the above embodiment are both arranged on the fixed base 116, and the linkage gear 120 is arranged on the inner side wall of the machine body casing 101, and the driving sprocket 118 and the driven sprocket 119 are sleeved with the transmission chain 122, so that when the driving sprocket 118 rotates under the driving of the driving shaft 107, the driven sprocket 119 can be driven to rotate, and then the driven sprocket 119 rotates to the linkage gear 120 through the transmission shaft 121, and the rotary cutting blade 111 and the spinning roller 112 are driven to rotate due to the arrangement of the linkage gear 120, so that effective transmission is completed; the diameter of the large gear 123 is larger than that of the small gear 124, the large gear 123 and the transmission shaft 121 are coaxially arranged, so that the rotating speed of the large gear 123 is consistent with that of the driving shaft 107, when the large gear 123 is transmitted to the small gear 124, the rotating speed of the small gear 124 can be effectively increased, the rotating speed of the rotary mounting seat is higher, and the purposes that the rotary cutting blade 111 and the rotary pressing roller 112 have higher centrifugal force and centrifugal separation of soil bodies are achieved.

Example 4:

in combination with the above embodiment, as shown in fig. 1, the anti-rotation wing plates 125 are uniformly disposed on the outer side of the casing 101, the traction ring 126 is disposed at the air supply end of the casing 101, and the anti-rotation wing plates 125 are disposed, so that the casing 101 can be effectively prevented from accidentally rotating in the opened hole, and the traction ring 126 can be provided with a traction rope, so that the push bench can be recovered.

In the concrete working process, firstly, a high-pressure air inlet 109 is connected, a speed reducer 115 is driven by an air motor 108, a spiral drill bit 110 is driven to slowly enter soil after the speed reducer 115 changes speed, meanwhile, a driven sprocket 119 is driven by a driving sprocket 118 through a chain, a linkage gear 120 is driven by a transmission shaft 121, the rotation of the driving sprocket 118 is driven to rotate through the linkage gear 120 after the speed change transmission, a spinning roller 112 and a rotary cutting blade 111 are driven, the spinning roller 112 rolls soil cut by the rotary cutting blade 111 which synchronously operates, the rolled soil is thrown out under the centrifugal force of the rotary cutting blade 111 which rapidly rotates, the front of the spiral drill bit 110 and the traction of the front end of a machine body shell drive the air push bench to repeatedly start working, and finally, a needed construction marrow hole is formed.

The utility model provides a pneumatic push bench, which is characterized in that a driving assembly and a transmission assembly are arranged in a housing of a bench body to quickly drive a drill bit assembly, so that the whole structure is simple, the input cost is low, the pneumatic push bench is time-saving and labor-saving, and is also suitable for short-distance road construction, the drill bit assembly comprises a spiral drill bit, a rotary cutting blade and a spinning roller, and the pneumatic push bench can centrifugally separate soil body, so that the aims of no need of large excavation, no waste soil generation and dry construction are achieved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The pneumatic pipe jacking machine is characterized by comprising a machine body shell, a driving assembly, a transmission assembly and a drill bit assembly, wherein the interior of the machine body shell is divided into a first installation cavity and a second installation cavity through a fixed base, the driving assembly is arranged in the first installation cavity, the transmission assembly is arranged in the second installation cavity, a driving shaft of the driving assembly is transmitted to the drill bit assembly through the transmission assembly, the drill bit assembly is arranged at the working end of the machine body shell, and a high-pressure air inlet of a pneumatic motor of the driving assembly is arranged at the air supply end of the machine body shell;

the drill bit assembly comprises a spiral drill bit, rotary cutting blades and a plurality of spinning rollers, wherein a driving shaft of the spiral drill bit and a driving shaft of the pneumatic motor are coaxially arranged, the rotary cutting blades are rotatably arranged on the driving shaft through a transmission mounting seat, the spinning rollers are rotatably arranged on one side, far away from a cutting edge, of the rotary cutting blades, so that the driving shaft drives the rotary cutting blades to rotate on a tangent plane of the working end.

2. The pneumatic push bench of claim 1, wherein the driving assembly comprises the pneumatic motor and a speed reducer, and a driving shaft of the pneumatic motor penetrates out of the first mounting cavity after being decelerated by the speed reducer and is in transmission connection with the transmission assembly.

3. The pneumatic push bench of claim 1, wherein the driving shaft of the pneumatic motor is coaxially arranged with the auger bit through the fixing base and the working end of the housing, so that the pneumatic motor is decelerated by the speed reducer to drive the auger bit to rotate.

4. The pneumatic push bench according to claim 1, wherein the transmission assembly comprises a driving sprocket, a driven sprocket, a linkage gear and a transmission shaft, the driving sprocket is sleeved at a position where the driving shaft passes through the fixing base, the driving sprocket is transmitted to the driven sprocket arranged on the fixing base through a transmission chain, the driven sprocket is transmitted to the linkage gear through the transmission shaft, and the linkage gear is transmitted to the rotary cutting blade through the transmission mounting base.

5. The pneumatic push bench of claim 4, wherein the linkage gear comprises a large gear and a small gear, the large gear is coaxially arranged with the transmission shaft, the small gear is sleeved on the transmission mounting seat, and the small gear is meshed with the large gear.

6. The pneumatic push bench of claim 1, wherein the outer side of the housing is uniformly provided with anti-rotation wings.

7. The pneumatic push bench of claim 1, wherein the gas supply end of the housing is provided with a traction ring.