CN215369684U - Pore-forming device for tunnel construction, contain its pore-forming car for tunnel construction - Google Patents
Pore-forming device for tunnel construction, contain its pore-forming car for tunnel construction Download PDFInfo
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- CN215369684U CN215369684U CN202121740167.3U CN202121740167U CN215369684U CN 215369684 U CN215369684 U CN 215369684U CN 202121740167 U CN202121740167 U CN 202121740167U CN 215369684 U CN215369684 U CN 215369684U
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Abstract
The utility model discloses a pore-forming device for tunnel construction, which comprises: the air pump component is fixedly connected with the air pump component; the utility model provides a pore-forming car is used in tunnel construction, includes pore-forming device, frame, chassis and lift cloud platform, and the frame setting is directly over the chassis, the lower side fixed connection on the upper end of lift cloud platform and frame, the lower extreme of lift cloud platform and the side fixed connection that goes up on the chassis, pore-forming device setting for the tunnel construction in the front end of pore-forming car and with frame and chassis fixed connection. According to the utility model, the air pump assembly applies air pressure to the hole forming fixing rod, and the impact assembly applies impact force to the hole forming head, so that passive impact can be applied while active hole forming is performed, the purpose of rapid hole forming is realized, and the tunnel excavation efficiency is increased; through setting up a pore-forming car, through the height of the frame of operation pore-forming car, the control is to the adjustment of the position of punching, improves tunnel excavation efficiency.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a pore-forming device for tunnel construction and a pore-forming vehicle for tunnel construction comprising the same.
Background
In the southwest area of China, tunnel excavation is usually carried out by manual drilling and blasting construction by adopting the concept of the new Austrian tunneling method, the procedures of advance support, system support, waist locking and foot locking, drilling and blasting and the like in the new Austrian tunneling method are all formed by manual and pneumatic drilling, and each operation cycle needs a large number of holes, the hole form is single and repeated, the manual drilling time is long, the construction environment is severe, the labor cost investment is high, and the tunnel excavation efficiency and cost are greatly restricted.
Therefore, the demand for high-efficiency hole forming is urgent, the hole forming vehicle for tunnel construction is provided, the hole forming vehicle can be lifted, moved and rotated in a tunnel in an all-dimensional mode, the operation is simple, one vehicle is used, one person can use one vehicle, passive impact can be applied when the drill bit actively forms holes, the tunnel excavation efficiency is effectively improved, and labor cost is saved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem of low hole forming efficiency, the utility model provides a hole forming device for tunnel construction and a hole forming vehicle for tunnel construction comprising the hole forming device.
A pore-forming device for tunnel construction includes: the drilling device comprises a fixing frame, an air pump assembly, a drilling fixing rod, a drilling head and an impact assembly, wherein the drilling fixing rod is fixedly connected with the fixing frame;
set for the pore-forming of pore-forming device strikes the direction and does the front end of pore-forming device sets for the pore-forming dead lever is well hollow rod, the rear end of pore-forming dead lever with the end intercommunication of giving vent to anger of air pump assembly, the rear end of pore-forming head sets up in the pore-forming dead lever, just the lateral surface of pore-forming head with the medial surface of pore-forming dead lever moves sealing connection, it sets up to strike the subassembly in the pore-forming dead lever, just strike the subassembly with the medial surface fixed connection of pore-forming dead lever.
Specifically, the impact assembly divides the pore-forming fixed rod into a boosting cavity and an impact cavity, the boosting cavity is arranged at the rear section of the pore-forming fixed rod, the impact cavity is arranged at the front section of the pore-forming fixed rod, and the rear end of the pore-forming head is connected with the impact cavity in a dynamic sealing manner.
Specifically, the impact assembly comprises a sealing plate, a moving column and a pressure relief assembly, an annular clamping groove is formed in the inner side surface of the hole forming fixing rod, the sealing plate is coaxially arranged in the hole forming fixing rod, the circumference of the sealing plate is clamped in the annular clamping groove, the pressure relief assembly is fixedly connected with the sealing plate, and the moving column is arranged between the sealing plate and the rear end of the hole forming head;
when the movable column is in a non-impact state, the rear end of the movable column is attached to the front side face of the sealing plate;
when in an impact state, the front end of the moving column is abutted against the rear end of the hole forming head.
Specifically, the pressure relief assembly comprises a moving block, a clamping block, an elastic assembly and a sealing assembly, wherein a mounting groove is formed in the rear end face of the sealing plate, a through hole matched with the clamping block is formed in the moving block, the clamping block is arranged in the through hole and is in movable sealing connection with the inner side face of the through hole, the moving block is arranged in the mounting groove and is in movable sealing connection with the inner side face of the mounting groove, the elastic assembly is arranged between the front end face of the moving block and the bottom face of the mounting groove, two ends of the elastic assembly are respectively fixedly connected with the mounting groove and the moving block, penetrating exhaust ports are formed in the clamping block and the bottom face of the mounting groove, and the sealing assembly is arranged between the rear end face of the clamping block and the rear end face of the moving block.
Preferably, the sealing assembly comprises a sealing circular plate, the sealing circular plate is fixedly and hermetically connected with the rear end face of the exhaust port of the fixture block, a radial through hole communicated with the exhaust port is formed in the rear end of the fixture block, and the radial through hole is formed along the radius of the fixture block;
when the moving block is in a non-impact state, the outer central axis of the radial through hole is arranged on the front side of the rear end face of the moving block;
and when the moving block is in an impact state, the central axis of the radial through hole is arranged on the rear side of the rear end surface of the moving block.
Preferably, the front end face of the sealing plate is provided with a recessed groove, and the rear end face of the movable column is provided with a projection matched with the recessed groove;
the inner side surface of the impact cavity is provided with a sliding groove along the axial direction of the impact cavity, and the outer side surface of the movable column is provided with a sliding block which corresponds to the sliding groove and can slide along the sliding groove.
Specifically, the air pump assembly comprises an air inlet leather hose and an air pump, and an air outlet end of the air pump is communicated with an air inlet end of the air inlet leather hose;
the air inlet leather hose comprises a plurality of hole forming fixing rods, a connecting fixing frame and an air inlet leather hose, wherein the hole forming fixing rods are multiple and are all connected with the connecting fixing frame;
the number of the hole forming heads and the number of the impact assemblies correspond to the number of the hole forming fixing rods.
The utility model provides a pore-forming car is used in tunnel construction, includes foretell pore-forming device, frame, chassis and lift cloud platform for tunnel construction, the frame sets up directly over the chassis, the upper end of lift cloud platform with the downside fixed connection of frame, the lower extreme of lift cloud platform with the side fixed connection that goes up on the chassis, pore-forming device sets up for tunnel construction the front end of pore-forming car and with the frame with chassis fixed connection.
Furthermore, the pore-forming vehicle still includes two at least air pressure telescopic links, air pressure telescopic link sets up perpendicularly the frame with between the chassis, air pressure telescopic link's stiff end with chassis fixed connection, air pressure telescopic link's flexible end with frame fixed connection.
Preferably, the mount is vertical, the pore-forming dead lever level sets up, the lower extreme of mount with chassis fixed connection, the inside of mount is provided with the block, and is a plurality of pore-forming dead lever and connecting block fixed connection, the pore-forming dead lever passes through the connecting block with the block with mount swing joint, the rear end of pore-forming dead lever with frame fixed connection, the connecting block pass through stable knot with mount fixed position.
According to at least one embodiment of the utility model, the air pump assembly applies air pressure to the hole forming fixing rod, and the impact assembly applies impact force to the hole forming head, so that passive impact can be applied while active hole forming is performed, the purpose of rapid hole forming is achieved, and the tunnel excavation efficiency is increased.
And through setting up a pore-forming car, through the height of the frame of operation pore-forming car, the adjustment to the position of holing is controlled, improves tunnel excavation efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the principles of the utility model.
Fig. 1 is a schematic structural diagram of a hole forming vehicle for tunnel construction according to the utility model.
Fig. 2 is a sectional view of a hole forming device for tunnel construction according to the present invention.
Fig. 3 is an enlarged schematic view at a of fig. 2.
Fig. 4 is an external schematic view of a hole forming device for tunnel construction according to the present invention.
Reference numerals: 1. a frame; 2. forming a hole fixing rod; 3. an air inlet leather hose; 4. a pore-forming head; 5. a stabilizing buckle; 6. a sliding groove; 7. moving the column; 8. a slider; 9. an annular neck; 10. a sealing plate; 11. a recessed groove; 12. a moving block; 13. a rolling ball; 14. an elastic component; 15. a clamping block; 16. sealing the rubber ring; 17. an exhaust port; 18. an air pressure telescopic rod; 19. a lifting cradle head; 20. a fixing frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A pore-forming device for tunnel construction includes: the air pump comprises a fixed frame 20, an air pump component, a pore-forming fixed rod 2, a pore-forming head 4 and an impact component, wherein the pore-forming fixed rod 2 is fixedly connected with the fixed frame 20;
the position of the hole forming fixing rod 2 is fixed by the fixing frame 20, and the hole forming head 4 and the impact assembly are fixedly connected with the hole forming fixing rod 2, so that the whole hole forming device is fixed.
And the user can select the handheld mode, realizes the use to the pore-forming device through handheld mount 20.
The fixing frame 20 can be fixed on other devices according to requirements, so that the fixing frame can be utilized.
The fixing position of the air pump assembly is not limited, so that whether the air pump assembly is fixedly connected with the fixing frame 20 or the air pump assembly is independently fixed at a certain position can be selected according to specific conditions, and the air pump assembly only needs to provide high-pressure air.
For convenience of description, the hole-forming impact direction of the hole-forming device, i.e., the direction toward the machining surface, is set to the front end of this device.
Pore-forming dead lever 2 is the cavity pole, and the rear end of pore-forming dead lever 2 communicates with the end of giving vent to anger of air pump assembly, and the rear end setting of pore-forming head 4 is in pore-forming dead lever 2, and the medial surface dynamic seal of the lateral surface of pore-forming head 4 and pore-forming dead lever 2 is connected, strikes the subassembly setting in pore-forming dead lever 2, and strikes the medial surface fixed connection of subassembly and pore-forming dead lever 2.
Become hole head 4 sets up in pore-forming dead lever 2 and can follow pore-forming dead lever 2 front and back and slide, exerts a forward impact force to pore-forming head 4 through strikeing the subassembly for pore-forming head 4 strikes forward in pore-forming dead lever 2, strikes the wall with pore-forming head 4 contact, thereby realizes processing pore-forming's purpose.
Strike the subassembly and separate pore-forming dead lever 2 for the chamber of stepping up and strike the chamber, the chamber setting that steps up is at the back end of pore-forming dead lever 2, strikes the chamber setting at the anterior segment of pore-forming dead lever 2, and the rear end and the impact chamber of pore-forming head 4 move sealing connection.
Separate for the lumen of stepping up and strike the chamber through strikeing the subassembly with pore-forming dead lever 2 to with stepping up chamber and air pump subassembly intercommunication, go into the air to the intracavity pump that steps up through the air pump subassembly, because strike the subassembly and separate it, when not exceeding the atmospheric pressure value that strikes the subassembly and set for, the air pump subassembly lasts the pump gas, realize the operation of stepping up, when atmospheric pressure rises to the limiting value, the passageway in the impact subassembly is opened, high-pressure gas gets into and strikes the chamber, strike to the pore-forming head 4 that lies in the impact intracavity, thereby realize the purpose of pore-forming.
The impact assembly comprises a sealing plate 10, a moving column 7 and a pressure relief assembly, an annular clamping groove 9 is formed in the inner side face of the hole forming fixing rod 2, the sealing plate 10 is coaxially arranged in the hole forming fixing rod 2, the circumference of the sealing plate 10 is clamped in the annular clamping groove 9, the pressure relief assembly is fixedly connected with the sealing plate 10, and the moving column 7 is arranged between the sealing plate 10 and the rear end of the hole forming head 4;
the sealing plate 10 is used for separating the pore-forming fixing rod 2 into two cavities, the installation mode can be adopted, the height of the annular clamping groove 9 is matched with the height of the sealing plate 10, the installation of the sealing plate 10 is strengthened, and the stability of the installation of the sealing plate 10 is guaranteed.
The structure of the integrated molding can also be adopted, as long as the structure can be separated into two cavities.
The moving post 7 is used for knocking the hole forming head 4.
The pressure relief assembly is used for separating the pressure boosting cavity from the impact cavity in a pressure boosting state, and the pressure boosting cavity is communicated with the impact cavity under the impact condition.
In a non-impact state, the rear end of the movable post 7 abuts the front side surface of the sealing plate 10.
In the impact state, the front end of the movable column 7 abuts against the rear end of the hole forming head 4.
The pressure relief assembly comprises a moving block 12, a clamping block 15, an elastic assembly 14 and a sealing assembly, a mounting groove is formed in the rear end face of the sealing plate 10, a through hole matched with the clamping block 15 is formed in the moving block 12, the clamping block 15 is arranged in the through hole and connected with the inner side face of the through hole in a movable sealing mode, the moving block 12 is arranged in the mounting groove and connected with the inner side face of the mounting groove in a movable sealing mode, the elastic assembly 14 is arranged between the front end face of the moving block 12 and the bottom face of the mounting groove, two ends of the elastic assembly 14 are fixedly connected with the mounting groove respectively in a movable mode, exhaust ports 17 penetrating through the clamping block 15 and the bottom face of the mounting groove are formed in the clamping block 15, and the sealing assembly is arranged between the rear end face of the clamping block 15 and the rear end face of the moving block 12.
The movable block 12 can slide back and forth in the mounting groove, and can preferably not influence the sealing performance of the movable block while sliding, so that the outer side surface of the movable block 12 is preferably connected with the inner side surface of the mounting groove in a dynamic sealing mode, the dynamic sealing connection mode can be various, and an embodiment is provided below:
set up rolling ball 13 between movable block 12 and mounting groove, and rolling ball 13's quantity is two at least, and half arc groove has all been seted up to the left and right sides of movable block 12, and half arc groove has been seted up to the inboard correspondence of mounting groove certainly, and two half arc grooves constitute the circular recess, and arrange rolling ball 13 in the circular recess, change sliding friction into rolling friction, can reduce frictional force.
Similarly, it is necessary to ensure that the fixture block 15 can slide in the through hole, and preferably, the sealing performance of the fixture block 15 is not affected while sliding, so that the outer side surface of the fixture block 15 and the inner side surface of the through hole are preferably connected in a dynamic sealing manner, and the dynamic sealing connection manner can be various, and an embodiment is provided below:
the outer side surface of the fixture block 15 is provided with an annular groove, a sealing rubber ring 16 is arranged in the annular groove, the diameter of the inner wall of the sealing rubber ring 16 is matched with that of the inner wall of the fixture block 15, the friction force of forward movement of the moving block 12 is reduced, and the moving smoothness is guaranteed.
The resilient member 14 can be of various configurations, such as: the spring and the high-pressure spring plate are not compulsorily specified, and only need to form acting force and reacting force with the air pressure in the pressurizing cavity.
The sealing assembly has the main function that in the boosting stage, the boosting cavity is not communicated with the impact cavity; and during the impact phase, the booster chamber is communicated with the impact chamber.
Two examples are provided below for illustration:
example one
The sealing assembly comprises a sealing circular plate, the sealing circular plate is fixedly and hermetically connected with the rear end face of the exhaust port 17 of the fixture block 15, a radial through hole communicated with the exhaust port 17 is formed in the rear end of the fixture block 15, and the radial through hole is formed along the radius of the fixture block 15;
when the moving block is in a non-impact state, the outer central axis of the radial through hole is arranged on the front side of the rear end face of the moving block 12;
in the impact state, the central axis of the radial through hole is disposed on the rear side of the rear end surface of the moving block 12.
In non-impact state, the outer end of the radial through hole is attached to the inner side face of the through hole, so that the radial through hole is not communicated with the boosting cavity, and boosting operation can be normally performed.
When the pressure in the boosting cavity is greater than the elastic force of the elastic component 14, the moving block 12 moves towards the front end at the moment, and the front end of the fixture block 15 abuts against the bottom surface of the mounting groove and does not move. And the moving block 12 moves continuously, so that the rear end of the clamping block 15 extends out of the moving block, the radial through hole is communicated with the boosting cavity, air in the boosting cavity enters the impact cavity along the exhaust port 17, and the pressure relief operation is realized.
Example two
In the embodiment, the sealing assembly is directly set to be a rubber pad, the circumference of the rubber pad is fixedly connected with the rear end face of the moving block 12, a plurality of notches in the radius direction are formed in the rubber pad, and when the fixture block 15 does not move, the exhaust port 17 is sealed by the rubber pad, so that the boosting is realized. When the fixture block 15 protrudes to the outside, the exhaust port 17 is communicated to realize pressure relief.
The length of the hole forming head 4 is 3-5 m, and when gas is flushed in, the moving block 12 moves forwards, so that the fixture blocks 15 are exposed, and the gas is transmitted forwards.
The front end face of the sealing plate 10 is provided with a concave groove 11, and the rear end face of the movable column 7 is provided with a convex block matched with the concave groove 11;
the exhaust port 17 is also provided in the concave groove 11, and through the cooperation of the bump and the concave groove 11, when air in the impact chamber and the pressurization chamber is pumped out, the movable column 7 can be better attached to the sealing plate 10, so that a larger impact force can be generated.
The inner side surface of the impact cavity is provided with a sliding groove 6 along the axial direction of the impact cavity, and the outer side surface of the movable column 7 is provided with a sliding block 8 which corresponds to the sliding groove 6 and can slide along the sliding groove 6.
Can inject the removal formation of removal post 7 through setting up sliding tray 6 and sliding block 8, avoid its condition emergence that excessively rocks in the impact cavity.
The air pump component comprises an air inlet leather hose 3 and an air pump, and the air outlet end of the air pump is communicated with the air inlet end of the air inlet leather hose 3;
the number of the hole-forming fixing rods 2 is multiple, the hole-forming fixing rods 2 are all connected with the connecting and fixing frame 20, and the air outlet end rod of the air inlet leather hose 3 is communicated with the air inlet ends of the hole-forming fixing rods 2;
the number of the boring heads 4 and the number of the impact assemblies are arranged corresponding to the number of the boring fixing rods 2.
All set up the quantity with pore-forming dead lever 2, pore-forming head 4 and impact the subassembly into a plurality ofly, can realize the pore-forming operation of large tracts of land, promote pore-forming efficiency.
The working principle is as follows: the air pump transmits air to the inside of the air inlet leather hose 3, then the air is transmitted to the inner wall of the pore-forming fixing rod 2, due to the transmission of the air, the moving block 12 can move forwards, the moving block 12 can extrude the elastic component 14, the elastic component 14 can deform and generate corresponding resilience force, at the moment, the clamping block 15 can be exposed, the air can continuously transmit the air forwards through the air outlet 17, the transmission of the air can push the moving column 7 to move forwards, and the moving column 7 can drive the sliding block 8 to move on the inner wall of the sliding groove 6; after one blow, after the gas is drawn out, the moving column 7, the elastic member 14, and the boring head 4 are reset, and then the gas transfer is performed again to make the moving column 7 strike the boring head 4 again.
The utility model provides a pore-forming car is used in tunnel construction, includes foretell pore-forming device, frame 1, chassis and lift cloud platform 19 for tunnel construction, and frame 1 sets up directly over the chassis, and the downside fixed connection of the upper end of lift cloud platform 19 and frame 1, the lower extreme of lift cloud platform 19 and the side fixed connection that goes up on the chassis, pore-forming device for tunnel construction set up at the front end of pore-forming car and with frame 1 and chassis fixed connection.
This embodiment is for further increase efficiency of construction, consequently installs the pore-forming device on the pore-forming car, through removing the pore-forming car, can realize portable punching operation.
Fixed mounting has diesel engine and air pump on the pore-forming car, and in order to realize the parallel of successful pore-forming car, has the balancing weight at certain one side fixed mounting of pore-forming car (the centre of gravity position of pore-forming car is confirmed under the actual conditions according to the specific position), and the fixed mounting on square chassis has the bearing.
The pore-forming vehicle further comprises at least two air pressure telescopic rods 18, the air pressure telescopic rods 18 are vertically arranged between the vehicle frame 1 and the chassis, the fixed ends of the air pressure telescopic rods 18 are fixedly connected with the chassis, and the telescopic ends of the air pressure telescopic rods 18 are fixedly connected with the vehicle frame 1.
The lift cloud platform 19 can control frame 1's lift, simultaneously for further increase lift stability, can also set up a plurality of air telescopic rod 18 hydraulic telescoping rod, and air telescopic rod 18 can directly carry out the air feed through the air pump, and hydraulic telescoping rod needs carry out the fuel feeding through the hydraulic pump.
Can set mount 20 into the type of falling U piece, in order to carry out effectual fixed with the position of connecting block and mount 20, add a stabbing buckle 5, and stabbing buckle 5 can have multiple connection structure, provides an embodiment below:
the inner wall of the fixed mount 20 is fixedly provided with a clamping block, one side of the clamping block is connected with one side of the connecting block, and the inner wall of the clamping block is connected with the stabilizing buckle 5.
The working principle is as follows: firstly, the pore-forming vehicle is driven to a specified position, meanwhile, the diesel engine works, the diesel engine can provide power for the work of an air pump when running, the air pump transmits air to the inside of an air inlet leather hose 3, then the air is transmitted to the inner wall of a pore-forming fixed rod 2, the moving block 12 can move forwards due to the transmission of the air, the moving block 12 can extrude the elastic component 14, the elastic component 14 can deform and generate corresponding resilience force, at the moment, the clamping block 15 can be exposed, the air can continuously transmit the air forwards through the air outlet 17, the moving column 7 can be pushed to move forwards towards the cavity by the transmission of the air, the sliding block 8 can be driven to move on the inner wall of the sliding groove 6 by the movement of the moving column 7, the moving column 7 can impact the pore-forming head 4, the pore-forming head 4 can impact stones, the stones are chiseled, the air can be pumped outwards after being hit once again, then carry out gaseous transmission once more, make removal post 7 strike into the pore-forming head 4 once more, if after regional pore-forming of a slice is accomplished, still need carry out the pore-forming to the top in this piece region, just need start atmospheric pressure telescopic link 18, make atmospheric pressure telescopic link 18 extension, take lift cloud platform 19 rebound simultaneously, lift cloud platform 19 can take the block upward movement of the 20 inner walls of mount, just so can be 2 rebound to pore-forming dead lever, the convenient stone to this moment has carried out the pore-forming.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the utility model. Other variations or modifications to the above described invention may occur to those skilled in the art and are within the scope of the utility model.
Claims (10)
1. The utility model provides a pore-forming device for tunnel construction which characterized in that includes: the drilling device comprises a fixing frame, an air pump assembly, a drilling fixing rod, a drilling head and an impact assembly, wherein the drilling fixing rod is fixedly connected with the fixing frame;
set for the pore-forming of pore-forming device strikes the direction and does the front end of pore-forming device sets for the pore-forming dead lever is well hollow rod, the rear end of pore-forming dead lever with the end intercommunication of giving vent to anger of air pump assembly, the rear end of pore-forming head sets up in the pore-forming dead lever, just the lateral surface of pore-forming head with the medial surface of pore-forming dead lever moves sealing connection, it sets up to strike the subassembly in the pore-forming dead lever, just strike the subassembly with the medial surface fixed connection of pore-forming dead lever.
2. The hole-forming device for tunnel construction as claimed in claim 1, wherein said impact assembly divides said hole-forming fixing rod into a booster chamber and an impact chamber, said booster chamber is disposed at a rear section of said hole-forming fixing rod, said impact chamber is disposed at a front section of said hole-forming fixing rod, and a rear end of said hole-forming head is in dynamic sealing connection with said impact chamber.
3. The hole forming device for tunnel construction as claimed in claim 2, wherein the impact assembly includes a sealing plate, a moving post and a pressure relief assembly, an annular groove is formed on an inner side surface of the hole forming fixing rod, the sealing plate is coaxially disposed in the hole forming fixing rod, a circumference of the sealing plate is clamped in the annular groove, the pressure relief assembly is fixedly connected to the sealing plate, and the moving post is disposed between the sealing plate and a rear end of the hole forming head;
when the movable column is in a non-impact state, the rear end of the movable column is attached to the front side face of the sealing plate;
when in an impact state, the front end of the moving column is abutted against the rear end of the hole forming head.
4. The hole-forming device for tunnel construction as claimed in claim 3, wherein the pressure relief assembly comprises a moving block, a latch, a resilient member and a sealing member, the rear end surface of the sealing plate is provided with an installation groove, the moving block is internally provided with a through hole matched with the clamping block, the fixture block is arranged in the through hole and is in dynamic sealing connection with the inner side surface of the through hole, the moving block is arranged in the mounting groove and is in dynamic sealing connection with the inner side surface of the mounting groove, the elastic component is arranged between the front end surface of the moving block and the bottom surface of the mounting groove, and both ends of the elastic component are respectively fixedly connected with the moving block and the mounting groove, the bottom surfaces of the clamping block and the mounting groove are provided with through exhaust ports, the sealing assembly is arranged between the rear end face of the fixture block and the rear end face of the moving block.
5. The hole forming device for tunnel construction as claimed in claim 4, wherein the sealing assembly includes a sealing circular plate, the sealing circular plate is fixedly and hermetically connected with the rear end face of the exhaust port of the fixture block, the rear end of the fixture block is provided with a radial through hole communicated with the exhaust port, and the radial through hole is arranged along the radius of the fixture block;
when the moving block is in a non-impact state, the outer central axis of the radial through hole is arranged on the front side of the rear end face of the moving block;
and when the moving block is in an impact state, the central axis of the radial through hole is arranged on the rear side of the rear end surface of the moving block.
6. The hole-forming device for tunnel construction as claimed in claim 3, wherein the sealing plate is provided at a front end surface thereof with a recessed groove, and the movable post is provided at a rear end surface thereof with a projection fitted into the recessed groove;
the inner side surface of the impact cavity is provided with a sliding groove along the axial direction of the impact cavity, and the outer side surface of the moving column is provided with a sliding block which corresponds to the sliding groove and can slide along the sliding groove.
7. The pore-forming device for tunnel construction as claimed in claim 1, wherein the air pump assembly comprises an air inlet leather hose and an air pump, and an air outlet end of the air pump is communicated with an air inlet end of the air inlet leather hose;
the air inlet leather hose comprises a plurality of hole forming fixing rods, a connecting fixing frame and an air inlet leather hose, wherein the hole forming fixing rods are multiple and are all connected with the connecting fixing frame;
the number of the hole forming heads and the number of the impact assemblies correspond to the number of the hole forming fixing rods.
8. A pore-forming car for tunnel construction, characterized in that, includes a pore-forming device for tunnel construction, frame, chassis and lift cloud platform of any of claims 1-7, the frame sets up directly over the chassis, the upper end of lift cloud platform with the downside fixed connection of frame, the lower extreme of lift cloud platform with the upside fixed connection on chassis, pore-forming device for tunnel construction set up in the front end of pore-forming car and with frame with chassis fixed connection.
9. The hole-forming vehicle for tunnel construction of claim 8, further comprising at least two air-pressure telescopic rods, wherein the air-pressure telescopic rods are vertically arranged between the vehicle frame and the chassis, fixed ends of the air-pressure telescopic rods are fixedly connected with the chassis, and telescopic ends of the air-pressure telescopic rods are fixedly connected with the vehicle frame.
10. The pore-forming vehicle for tunnel construction as claimed in claim 9, wherein the fixing frame is vertically disposed, the pore-forming fixing rods are horizontally disposed, the lower end of the fixing frame is fixedly connected to the chassis, a fastening block is disposed inside the fixing frame, the pore-forming fixing rods are fixedly connected to the connecting block, the pore-forming fixing rods are movably connected to the fixing frame through the connecting block and the fastening block, the rear ends of the pore-forming fixing rods are fixedly connected to the frame, and the connecting block is fixed to the fixing frame through a stabilizing buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121740167.3U CN215369684U (en) | 2021-07-29 | 2021-07-29 | Pore-forming device for tunnel construction, contain its pore-forming car for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121740167.3U CN215369684U (en) | 2021-07-29 | 2021-07-29 | Pore-forming device for tunnel construction, contain its pore-forming car for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215369684U true CN215369684U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121740167.3U Active CN215369684U (en) | 2021-07-29 | 2021-07-29 | Pore-forming device for tunnel construction, contain its pore-forming car for tunnel construction |
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| Country | Link |
|---|---|
| CN (1) | CN215369684U (en) |
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2021
- 2021-07-29 CN CN202121740167.3U patent/CN215369684U/en active Active
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