Tunneling and anchoring all-in-one machine

Abstract

The invention discloses a digging and anchoring all-in-one machine, and belongs to the technical field of mining equipment, the digging and anchoring all-in-one machine comprises side edge rollers which are symmetrically arranged at two ends of a middle roller and coaxially rotate with the middle roller, a hydraulic rod and a fixed cylinder are coaxially and fixedly arranged in each side edge roller, and the output end of each hydraulic rod is fixedly connected with a telescopic roller; the annular pressing plate is slidably arranged on an output shaft of the hydraulic rod in a sleeving mode, first racks are symmetrically arranged on the annular pressing plate, and a gear set is arranged between the first racks and the outer wall of the fixing cylinder in a transmission mode; the air bag is arranged at the joint of the hydraulic rod and the cylinder shaft in a sleeving mode and located between the fixing barrel and the hydraulic rod, one end of the air bag is slidably arranged, and the other end of the air bag is rotatably arranged. By arranging the annular pressing plate, the air bag and the elastic twisted strips, multi-dimensional vibration reduction can be achieved, the vibration reduction effect is effectively improved, the hydraulic rod is kept stable in the tunneling process, deformation of the hydraulic rod is avoided, and the service life of the hydraulic rod is effectively prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of mining equipment, and particularly to a roadheader-anchoring machine. Background Art

[0002] A roadheader-anchoring machine is a mining equipment integrating automatic anchoring and mining. Through integrated design and intelligent control, it realizes synchronous operations of cutting, temporary support, and bolt installation, improving construction efficiency and safety. Currently, the roadheader-anchoring machine usually uses a drum-type cutting head for cutting.

[0003] Disclosed in the patent with publication number CN110761787A and publication date February 7, 2020, a cutting drum of a roadheader includes an inner cutting drum, outer cutting drums arranged on both sides of the inner cutting drum, accommodation grooves arranged on both sides of the outer cutting drums, and telescopic cutting drums arranged in the accommodation grooves and slidably connected to the outer cutting drums. Multiple groups of rock-breaking teeth are arranged on the outer sides of the inner cutting drum, the outer cutting drums, and the telescopic cutting drums. A fixed seat is arranged inside the telescopic cutting drum, an installation seat is arranged at the bottom of the accommodation groove, a telescopic oil cylinder is arranged on the installation seat, and the output end of the telescopic oil cylinder is fixedly connected to the fixed seat. Outer cutting drums are arranged on both sides of the cutting drum, and telescopic cutting drums slidably connected to the outer cutting drums are arranged on both sides of the outer cutting drums. The existing commonly used scissor type is changed to a telescopic structure. At the same time, a telescopic oil cylinder is installed inside the outer cutting drum, and the telescopic cutting drums on both sides of the outer cutting drum are driven by the telescopic oil cylinder, enabling the telescopic cutting drums to slide along the outer cutting drums, thereby realizing the telescopic function of the outer cutting drums, and improving the installation method of the telescopic oil cylinders on both sides of the outer cutting drum from an exposed installation method to an internal installation method, effectively protecting the telescopic oil cylinders and increasing the structural strength on both sides of the outer cutting drums.

[0004] In the prior art including the above patent, the telescopic cutting drums on both sides of the outer cutting drum are driven by a hydraulic rod, enabling the telescopic cutting drums to slide along the outer cutting drums, thereby realizing the telescopic function of the outer cutting drums, meeting the requirements of safe, efficient, and rapid tunneling of large cross-section roadways in large mines, and having the functions of continuous rapid tunneling and forming a rectangular cross-section at one time. However, after the telescopic cutting drums and the outer cutting drums extend, the hydraulic rod extends. The longer the shaft, the lower the stiffness. Moreover, the oil cylinder is fixed to the outer cutting drum, and the output shaft is fixed to the telescopic cutting drum. During continuous tunneling operations, with the rotation of the drum and the continuous impact of the rock-breaking teeth on the mine wall, the connection between the oil cylinder and the output shaft is prone to vibration and torsional deformation, reducing the service life of the hydraulic rod. Summary of the Invention

[0005] The purpose of the present invention is to provide a roadheader-anchoring machine, which is used to solve the problem that in the prior art, with the rotation of the drum and the continuous impact of the rock-breaking teeth on the mine wall, the connection between the oil cylinder and the output shaft is prone to vibration and torsional deformation, reducing the service life of the hydraulic rod.

[0006] In order to achieve the above object, the present invention provides the following technical solution: a digging and anchoring machine, comprising:

[0007] The side rollers are symmetrically arranged at both ends of the middle roller and rotate coaxially with the middle roller, and a hydraulic rod and a fixed cylinder are coaxially fixedly arranged inside the side rollers, and the output end of the hydraulic rod is fixedly connected to the telescopic roller;

[0008] An annular pressure plate is slidably sleeved on the output shaft of the hydraulic rod, on which a first rack is symmetrically arranged, and a gear set is arranged between the first rack and the outer wall of the fixed cylinder;

[0009] An air bag is sleeved on the connection between the hydraulic rod and the cylinder shaft, and is located between the fixed cylinder and the hydraulic rod. One end of the air bag is slidably arranged, and the other end is rotatably arranged;

[0010] The elastic twist strips are arranged in a circumferential array and are arranged in a spiral shape between the airbag and the inner wall of the fixed tube, and the two ends of the elastic twist strips are respectively fixedly connected to the two ends of the airbag;

[0011] When the hydraulic rod drives the telescopic roller to move a preset distance, the gear set drives the annular pressure plate to move in the opposite direction through the first rack, and pushes the sliding end of the airbag to move along the output shaft of the hydraulic rod, while squeezing the elastic torsion bar to deform, so that one end of the elastic torsion bar drives the rotating end of the airbag to rotate, and the airbag rotates, compresses and expands in the closed space formed at the connection between the annular pressure plate, the hydraulic rod and the fixed cylinder at the cylinder shaft to interference fit with the closed space.

[0012] Preferably, a limiting sleeve is fixedly provided at the sliding end of the airbag, and a lever plate with two ends bent in reverse to form an S-shape is provided on the limiting sleeve at the position where the limiting sleeve is in contact with the output shaft of the hydraulic rod.

[0013] Preferably, the lever plate includes a first curved portion and a second curved portion, the first curved portion is bent toward the hydraulic rod and is arranged in close contact with the airbag torsion portion, and the second curved portion is elastically arranged.

[0014] Preferably, the end of the first bent portion on the lever plate is plugged into a first slot provided at a corresponding position on the outer wall of the hydraulic rod cylinder, and the end of the second bent portion on the lever plate is plugged into a second slot provided at a corresponding position on the limit sleeve.

[0015] Preferably, a second rubber pad is arranged in the first groove on the outer wall of the hydraulic rod cylinder, and a first rubber pad is arranged in the second groove on the limiting sleeve.

[0016] Preferably, a protrusion is fixedly provided on a side of the lever plate away from the airbag.

[0017] Preferably, an internally hollow plug is elastically provided on the limit sleeve. A catheter is communicated with the plug, and one end of the catheter is inserted and matched with a third clamping groove opened on the protrusion. The plug is inserted and matched with a fourth clamping groove opened on the output shaft of the hydraulic rod, and a third rubber pad is arranged in the fourth clamping groove.

[0018] Preferably, heat exchange cavities are symmetrically opened inside the end of the telescopic roller. A refrigerator is arranged in the heat exchange cavity. The air inlet of the heat exchange cavity is communicated with the plug, and the air outlet is communicated with the space formed between the telescopic roller and the annular pressing plate.

[0019] Preferably, a diversion pipe communicated with the space between the annular pressing plate and the fixed cylinder is fixedly arranged on the outer wall of the fixed cylinder. The cross-sectional area of the diversion pipe gradually decreases from the air inlet to the air outlet. Temperature sensors are symmetrically arranged in the space formed between the annular pressing plate and the fixed cylinder.

[0020] Preferably, a diversion channel is opened in the lever plate. The air outlet of the diversion channel is communicated with the catheter, and the air inlet is communicated with the diversion pipe. A negative pressure pipe is communicated between the air outlet of the diversion pipe and the space formed between the telescopic roller and the annular pressing plate.

[0021] In the above technical solution, a roadheader-anchor rig provided by the present invention has the following beneficial effects:

[0022] By arranging the annular pressing plate, the airbag and the elastic torsion bar, when the hydraulic rod drives the telescopic roller to move a preset distance, during the process, the gear set drives the annular pressing plate to move in the reverse direction through the first rack, and pushes the sliding end of the airbag to move along the output shaft of the hydraulic rod, and at the same time squeezes the elastic torsion bar to deform, so that one end of the elastic torsion bar drives the rotating end of the airbag to rotate. The airbag rotates, compresses and expands in the closed space formed by the annular pressing plate, the hydraulic rod and the fixed cylinder at the cylinder shaft connection to form an interference fit with the closed space, thereby realizing multi-dimensional vibration reduction, effectively improving the vibration reduction effect, keeping the hydraulic rod stable during tunneling, avoiding deformation of the hydraulic rod, and effectively prolonging the service life of the hydraulic rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings in the following description are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0024] Figure 1 It is a three-dimensional structural schematic diagram provided by an embodiment of the present invention;

[0025] Figure 2Schematic diagram of the front cross-section structure provided by the embodiment of the present invention;

[0026] Figure 3 Schematic diagram of the enlarged structure of A provided by the embodiment of the present invention;

[0027] Figure 4 Schematic diagram of the enlarged structure of E provided by the embodiment of the present invention;

[0028] Figure 5 Schematic diagram of the transverse cross-section structure provided by the embodiment of the present invention;

[0029] Figure 6 Schematic diagram of the enlarged structure of B provided by the embodiment of the present invention;

[0030] Figure 7 Schematic diagram of the enlarged structure of F provided by the embodiment of the present invention;

[0031] Figure 8 Schematic diagram of the front cross-section structure after stretching provided by the embodiment of the present invention;

[0032] Figure 9 Schematic diagram of the enlarged structure of C provided by the embodiment of the present invention;

[0033] Figure 10 Schematic diagram of the enlarged transverse structure after stretching provided by the embodiment of the present invention;

[0034] Figure 11 Schematic diagram of the enlarged structure of D provided by the embodiment of the present invention;

[0035] Figure 12 Schematic diagram of the enlarged structure of G provided by the embodiment of the present invention

[0036] Figure 13 Schematic diagram of the internal structure of the side roller provided by the embodiment of the present invention;

[0037] Figure 14 Schematic diagram of the exploded view of the partial structure provided by the embodiment of the present invention;

[0038] Figure 15 Schematic diagram of the structure of the negative pressure hood cross-section provided by the embodiment of the present invention;

[0039] Figure 16 Schematic diagram of the position structure of the negative pressure hood provided by the embodiment of the present invention;

[0040] Figure 17 Schematic diagram of the elastic torsion bar structure provided by the embodiment of the present invention.

[0041] Explanation of reference numerals:

[0042] 1. Side roller; 2. Telescopic roller; 3. Hydraulic rod; 4. First rack; 5. Fixed cylinder; 6. Second rack; 7. Airbag; 8. Elastic twist strip; 9. Limit sleeve; 10. Lever plate; 101. Protrusion; 102. Diversion channel; 11. Insert block; 111. Insert tube; 12. Annular pressure plate; 13. Diversion cover; 14. Heat exchange chamber; 15. Refrigerator; 16. Diversion tube; 17. Negative pressure tube; 18. Rubber plate; 19. First rubber pad; 20. Second rubber pad; 21. Third rubber pad; 22. Negative pressure cover; 221. Partition; 23. Exhaust pipe; 24. Annular limit plate; 25. Temperature sensor. DETAILED DESCRIPTION

[0043] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0044] like Figure 1-17 As shown, a drilling and anchoring machine includes:

[0045] The side rollers 1 are symmetrically arranged at both ends of the middle roller and rotate coaxially with the middle roller, and a hydraulic rod 3 and a fixed cylinder 5 are coaxially fixedly arranged therein, and the output end of the hydraulic rod 3 is fixedly connected to the telescopic roller 2;

[0046] The annular pressure plate 12 is slidably sleeved on the output shaft of the hydraulic rod 3, on which the second gear is symmetrically arranged, and a gear set is arranged between the first rack 4 and the outer wall of the fixed cylinder 5;

[0047] The airbag 7 is sleeved on the connection between the cylinder shaft of the hydraulic rod 3 and is located between the fixed cylinder 5 and the hydraulic rod 3. One end of the airbag 7 is slidably arranged, and the other end is rotatably arranged;

[0048] The elastic twist strips 8 are arranged in a circumferential array, and are arranged in a spiral shape between the airbag 7 and the inner wall of the fixed tube 5, and the two ends of the elastic twist strips 8 are fixedly connected to the two ends of the airbag 7 respectively;

[0049] During the process of the hydraulic rod 3 driving the telescopic roller 2 to move a preset distance, the gear set drives the annular pressure plate 12 to move in the opposite direction through the first rack 4, and pushes the sliding end of the airbag 7 to move along the output shaft of the hydraulic rod 3, while squeezing the elastic torsion bar 8 to deform, so that one end of the elastic torsion bar 8 drives the rotating end of the airbag 7 to rotate, and the airbag 7 rotates, compresses and expands in the closed space formed at the connection between the annular pressure plate 12, the hydraulic rod 3 and the fixed cylinder 5 at the cylinder shaft to interference fit with the closed space.

[0050] Specifically, the operator starts the hydraulic rod 3 through the control system to drive the telescopic drum 2 to extend out of the side drum 1 to a preset position, thereby expanding the tunneling range of the cutting drum, meeting the requirements of safe, efficient and rapid tunneling of large cross-section roadways in large mines, and having the functions of continuous rapid tunneling and forming a rectangular cross-section at one time. When walking, it is convenient to retract the telescopic drum 2 and reduce the width for convenient walking.

[0051] Further, during the process of the hydraulic rod 3 driving the telescopic drum 2 to extend out of the side drum 1 to a preset position, the outer wall of the telescopic drum 2 fits against the inner wall of the side drum 1 and moves along the inner wall of the side drum 1, forming a closed space, thereby enclosing the hydraulic rod 3 and playing a certain protective role for the hydraulic rod 3. The gear set arranged on the inner wall of the telescopic drum 2 moves synchronously with the telescopic drum 2, thereby driving the gear set to move relative to the fixed cylinder 5. Thus, the first gear meshing with the second rack 6 symmetrically arranged on the outer wall of the fixed cylinder 5 drives the first gear in the gear set to rotate in the moving direction, thereby driving the second gear meshing with the first gear to rotate in the opposite direction, thereby driving the second gear meshing with the second gear to move along the inner wall of the telescopic drum 2 in the direction opposite to the moving direction of the telescopic drum 2, thereby driving the annular pressing plate 12 to move along the output axis of the hydraulic rod 3 towards the oil cylinder of the hydraulic rod 3, thereby driving the annular pressing plate 12 to contact the airbag 7.

[0052] Further, after the annular pressing plate 12 contacts the airbag 7, the annular pressing plate 12 pushes the sliding end of the airbag 7 to continue sliding, so that the airbag 7 is gradually compressed and expanded. At the same time, the annular pressing plate 12 pushes the elastic torsion bar 8 to synchronously move the end fixedly connected to the sliding end of the airbag 7, so that the elastic torsion bar 8 is compressed and deformed. During the compression deformation process of the elastic torsion bar 8, torsion occurs, so that the other end of the elastic torsion bar 8 drives the rotating end of the airbag 7 to rotate synchronously, so that the airbag 7 undergoes rotational compression and expansion deformation. An annular fixing plate is fixedly arranged between the fixed cylinder 5 and the cylinder of the hydraulic rod 3. An annular limiting plate 24 is arranged at the rotating end of the airbag 7. The annular limiting plate 24 is rotatably arranged on the annular fixing plate, so as to limit the rotating end of the airbag 7, so that the rotating end of the airbag 7 can only rotate but not slide. And the annular fixing plate, the annular pressing plate 12 and the limiting cylinder fixedly arranged on the annular fixing plate and sleeved outside the airbag 7 form a closed space at the cylinder shaft connection of the hydraulic rod 3, so that the airbag 7 undergoing rotational compression and expansion deformation is in interference fit with the closed space. Since the hydraulic rod 3 extends, the longer the shaft is, the lower the stiffness is. At the cylinder shaft connection of the hydraulic rod 3, due to the continuous rotation operation of the drum, the rock-breaking teeth on the drum continuously impact the mine wall. Since the oil cylinder is fixed to the side drum 1 and the output shaft is fixed to the telescopic drum 2, the cylinder shaft connection of the hydraulic rod 3 is continuously subjected to torsional force and is prone to deformation. The airbag 7 supports the cylinder shaft connection of the hydraulic rod 3. At the same time, the airbag 7 can absorb vibration energy, so as to increase the connection strength of the cylinder shaft connection of the hydraulic rod 3, so as to improve the service life of the hydraulic rod 3. And there is no need for an additional driving source to drive the movement of the annular pressing plate 12, effectively reducing the manufacturing cost.

[0053] Further, the diameters of the oil cylinder and the output shaft of the hydraulic rod 3 are different. By causing the airbag 7 to undergo torsional deformation, the gas in the airbag 7 is squeezed from the middle to both sides, so that the airbag 7 is divided into two parts and expands, so that the airbag 7 can respectively adapt to oil cylinders and output shafts with different diameters, and can be well attached to the oil cylinder and the output shaft respectively for support, so as to realize dynamic adaptive radial vibration reduction at the cylinder shaft connection of the hydraulic rod 3. At the same time, due to the torsional deformation of the airbag 7, the torsion part generates a certain degree of radial constraint force on the cylinder shaft connection, so as to maintain the coaxiality of the oil cylinder and the output shaft, so as to perform vibration reduction on the cylinder shaft connection of the hydraulic rod 3 from different dimensions, effectively improving the vibration reduction effect.

[0054] Further, since the telescopic drum 2 needs to break the wall of the side wall, the hydraulic rod 3 will also be subjected to axial vibration. The elastic torsion bar 8 is arranged to absorb the axial vibration from the telescopic drum 2, and the vibration reduction in the axial direction of the hydraulic rod 3 is realized through the friction damping between the airbag 7 and the hydraulic rod 3, so as to cooperate with the airbag 7 to realize multi-dimensional vibration reduction, effectively improving the vibration reduction effect, enabling the hydraulic rod 3 to remain stable during tunneling, avoiding deformation of the hydraulic rod 3, and effectively extending the service life of the hydraulic rod 3.

[0055] As a further embodiment provided by the present invention, a limit sleeve 9 is fixedly arranged at the sliding end of the airbag 7, and a lever plate 10 with both ends bent reversely in an S shape is arranged through the position where the limit sleeve 9 fits with the output shaft of the hydraulic rod 3.

[0056] Specifically, through the arranged limit sleeve 9, the limit sleeve 9 is a three-layer annular sleeve. The innermost annular sleeve is sleeved on the output shaft of the hydraulic rod 3, and the maximum diameter of the innermost annular sleeve is the same as the cylinder diameter of the hydraulic rod 3, thereby further strengthening the stiffness of the connection between the cylinder shaft. The airbag 7 twists, compresses, expands and deforms within the limit sleeve 9, and generates a radial binding force on the connection of the cylinder shaft to a certain extent through the twisting part, thereby maintaining the coaxiality of the oil cylinder and the output shaft, and further improving the vibration reduction effect.

[0057] As a further embodiment provided by the present invention, the lever plate 10 includes a first bending part and a second bending part. The first bending part bends towards the hydraulic rod 3 and is arranged in fit with the twisting part of the airbag 7, and the second bending part is elastically arranged.

[0058] Specifically, a rubber plate 18 is arranged at the part of the limit sleeve 9 where the lever plate 10 passes through for the lever plate 10 to move. The annular pressing plate 12 pushes the sliding end of the airbag 7 to continue sliding, so that the airbag 7 is gradually compressed and expanded. At the same time, the annular pressing plate 12 pushes the end of the elastic torsion bar 8 fixedly connected to the sliding end of the airbag 7 to move synchronously, so that the elastic torsion bar 8 is compressed and deformed. During the compression deformation process of the elastic torsion bar 8, torsion occurs, so that the other end of the elastic torsion bar 8 drives the rotating end of the airbag 7 to rotate synchronously, so that the airbag 7 undergoes rotational compression and expansion deformation. The twisting part of the airbag 7 generates a radial binding force, thereby squeezing the first bending part to move towards the hydraulic rod 3. According to the lever principle, when the first bending part moves towards the hydraulic rod 3, it drives the second bending part to compress the first spring and move away from the hydraulic rod 3. The first bending part can better fit with the airbag 7, increasing the contact area, thereby increasing the frictional damping. Further cooperating with the elastic torsion bar 8, it can better damp the hydraulic rod 3 axially and further improve the vibration reduction effect.

[0059] As a further embodiment provided by the present invention, the end of the first bending part on the lever plate 10 is in plug-in fit with a first card slot opened at the corresponding position on the outer wall of the oil cylinder of the hydraulic rod 3, and the end of the second bending part on the lever plate 10 is in plug-in fit with a second card slot opened at the corresponding position on the limit sleeve 9.

[0060] Specifically, a radial restraint force is generated by the torsion part of the airbag 7, so as to squeeze the end of the first bending part to move towards the hydraulic rod 3 and be inserted and matched with the first card slot opened at the corresponding position on the outer wall of the oil cylinder of the hydraulic rod 3. The end of the second bending part is inserted and matched with the second card slot opened at the corresponding position on the limit sleeve 9, so as to improve the coaxiality of the oil cylinder of the hydraulic rod 3 and the limit sleeve 9, thereby improving the damping effect.

[0061] As a further embodiment provided by the present invention, a second rubber pad 20 is arranged in the first card slot on the outer wall of the oil cylinder of the hydraulic rod 3, and a first rubber pad 19 is arranged in the second card slot on the limit sleeve 9.

[0062] Specifically, through the arranged second rubber pad 20 and first rubber pad 19, an elastic space can be provided when the first bending part and the second bending part are inserted. At the same time, vibrations can be further absorbed, so as to maintain the coaxiality of the oil cylinder and the limit sleeve 9, and further improve the damping effect.

[0063] As a further embodiment provided by the present invention, a protrusion 101 is fixedly arranged on the side of the lever plate 10 away from the airbag 7.

[0064] As a further embodiment provided by the present invention, an internally hollow plug 11 is elastically arranged on the limit sleeve 9. A catheter 111 is communicated with the plug 11, and one end of the catheter 111 is inserted and matched with a third card slot opened on the protrusion 101. The plug 11 is inserted and matched with a fourth card slot opened on the output shaft of the hydraulic rod 3, and a third rubber pad 21 is arranged in the fourth card slot.

[0065] Specifically, a radial restraint force is generated by the torsion part of the airbag 7, so as to squeeze the end of the first bending part to move towards the hydraulic rod 3 and be inserted and matched with the first card slot opened at the corresponding position on the outer wall of the oil cylinder of the hydraulic rod 3. During the process, the protrusion 101 moves synchronously with the first bending part and pushes against the catheter 111 to drive the plug 11 in the initial compressed state to move. As the position of the protrusion 101 changes, one end of the catheter 111 in contact with the protrusion 101 is inserted into the third card slot opened on the protrusion 101. When the hydraulic rod 3 extends to a preset distance, the plug 11 is inserted into the fourth card slot opened on the output shaft of the hydraulic rod 3 under the action of the second spring, so as to maintain the coaxiality of the output shaft and the limit sleeve 9, thereby realizing the coaxiality of the output shaft, the limit sleeve 9 and the oil cylinder, and further improving the damping effect.

[0066] As a further embodiment provided by the present invention, heat exchange chambers 14 are symmetrically opened inside the end of the telescopic roller 2. A refrigerator 15 is arranged in the heat exchange chambers 14. The air inlet port of the heat exchange chambers 14 is communicated with the plug 11, and the air outlet port is communicated with the space formed between the telescopic roller 2 and the annular pressing plate 12.

[0067] Specifically, the cooler 15 is a thermoelectric cooler. A heat sink in contact with the outside is provided on the heat dissipation surface of the thermoelectric cooler, and a cold conduction column is provided on the cold surface. The heat exchange cavity 14 is communicated with the fourth card slot through a first air duct arranged in the output shaft of the hydraulic rod 3.

[0068] As a further embodiment provided by the present invention, a diversion pipe 16 communicated with the space between the annular pressing plate 12 and the fixed cylinder 5 is fixedly arranged on the outer wall of the fixed cylinder 5. The cross-sectional area of the diversion pipe 16 gradually decreases from the air inlet to the air outlet. Temperature sensors 25 are symmetrically arranged in the space formed between the annular pressing plate 12 and the fixed cylinder 5.

[0069] Specifically, after the hydraulic rod 3 extends a preset distance, the annular pressing plate 12 divides the space between the telescopic roller 2 and the side roller 1 into two parts. The inner space part of the telescopic roller 2 has no rock-breaking teeth on the surface of the telescopic roller 2 barrel wall, so it generates heat slowly and can be cooled by an external spraying system. The temperature is lower than the inner space part of the side roller 1. The temperature inside the side roller 1 rises and is diverted through the diversion pipe 16 to the diversion cover 13, and flows into the second air duct in the limit sleeve 9 through the diversion cover 13. Since the cross-sectional area of the diversion pipe 16 gradually decreases from the air inlet to the air outlet, following the principle that the flow rate is small at the large cross-section and large at the small cross-section, the hot air flow enters the diversion pipe 16 and is accelerated and ejected, thereby generating a negative pressure at the nozzle of the diversion pipe 16.

[0070] As a further embodiment provided by the present invention, a diversion channel 102 is opened in the lever plate 10. The air outlet end of the diversion channel 102 is communicated with the insertion tube 111, and the air inlet end is communicated with the diversion pipe 16. A negative pressure pipe 17 is communicated between the air outlet of the diversion pipe 16 and the space formed between the telescopic roller 2 and the annular pressing plate 12.

[0071] Specifically, a diversion channel 102 is opened in the lever plate 10 corresponding to the position of the diversion pipe 16. The insertion block 11 corresponding to the position of the diversion pipe 16 is in a hollow state. The radial restraint force is generated by the torsion part of the airbag 7, so as to squeeze the end of the first bending part to move towards the hydraulic rod 3 direction and be inserted and matched with the first card slot opened at the corresponding position on the outer wall of the hydraulic rod 3 cylinder. The end of the second bending part is inserted and matched with the second card slot opened at the corresponding position of the limit sleeve 9, so that the insertion block 11 is communicated with the first air duct in the output shaft.

[0072] Furthermore, the temperature inside the side roller 1 rises, and flows through the diversion pipe 16 to the diversion cover 13, and then flows into the second air passage in the limit sleeve 9 through the diversion cover 13, and then enters the heat exchange chamber 14 through the lever plate 10, the insertion block 11 and the first air passage, and then is discharged into the internal space of the telescopic roller 2 for heat exchange. By providing a negative pressure cover 22 on the annular pressing plate 12, when the hydraulic rod 3 extends a preset distance, the negative pressure cover 22 is communicated with the negative pressure pipe 17 arranged at the nozzle of the diversion pipe 16 and the air extraction pipe 23 arranged on the fixed cylinder 5, so as to adjust the negative pressure state in the negative pressure cover 22 through the negative pressure pipe 17, and thus draw in the air with lower temperature through the air inlet communicated with the internal space of the telescopic roller 2 by the negative pressure cover 22, and guide the air with lower temperature to the oil cylinder of the hydraulic rod 3 through the partition plate 221 inclinedly arranged in the negative pressure cover 22, so as to realize the internal circulation heat dissipation, and thus dissipate heat from the hydraulic rod 3, and effectively extend the service life of the hydraulic rod 3.

[0073] Furthermore, the temperature is monitored by the provided temperature sensor 25. The temperature sensor 25 is a PT100 temperature sensor. When the temperature reaches the preset value, the cooler is started by the control system for rapid heat exchange. When the temperature is not high, the ordinary internal circulation heat dissipation is realized. When the temperature is too high, the auxiliary circulation heat dissipation is carried out, which is more energy-saving and environment-friendly, and effectively dissipates heat from the hydraulic rod 3, thereby extending the service life of the hydraulic rod 3.

[0074] Only some exemplary embodiments of the present invention have been described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A drilling and anchoring machine, characterized in that: include: The side rollers are symmetrically arranged at both ends of the middle roller and rotate coaxially with the middle roller, and a hydraulic rod and a fixed cylinder are coaxially fixedly arranged inside the side rollers, and the output end of the hydraulic rod is fixedly connected to the telescopic roller; An annular pressure plate is slidably sleeved on the output shaft of the hydraulic rod, on which a first rack is symmetrically arranged, and a gear set is arranged between the first rack and the outer wall of the fixed cylinder; An air bag is sleeved on the connection between the hydraulic rod and the cylinder shaft, and is located between the fixed cylinder and the hydraulic rod. One end of the air bag is slidably arranged, and the other end is rotatably arranged; The elastic twist strips are arranged in a circumferential array and are arranged in a spiral shape between the airbag and the inner wall of the fixed tube, and the two ends of the elastic twist strips are respectively fixedly connected to the two ends of the airbag; When the hydraulic rod drives the telescopic roller to move a preset distance, the gear set drives the annular pressure plate to move in the opposite direction through the first rack, and pushes the sliding end of the airbag to move along the output shaft of the hydraulic rod, while squeezing the elastic torsion bar to deform, so that one end of the elastic torsion bar drives the rotating end of the airbag to rotate, and the airbag rotates, compresses and expands in the closed space formed at the connection between the annular pressure plate, the hydraulic rod and the fixed cylinder at the cylinder shaft to interference fit with the closed space.

2. The integrated anchoring and digging machine according to claim 1, characterized in that: A limiting sleeve is fixedly arranged at the sliding end of the airbag, and a lever plate with two ends bent in reverse to form an S-shape is penetrated at the position where the limiting sleeve is in contact with the output shaft of the hydraulic rod.

3. The integrated anchoring and digging machine according to claim 2, characterized in that: The lever plate includes a first curved portion and a second curved portion, wherein the first curved portion is curved toward the hydraulic rod and is arranged in close contact with the airbag torsion portion, and the second curved portion is elastically arranged.

4. The integrated anchoring and digging machine according to claim 3, characterized in that: The end of the first curved portion on the lever plate is plugged into and matched with a first slot provided at a corresponding position on the outer wall of the hydraulic rod cylinder, and the end of the second curved portion on the lever plate is plugged into and matched with a second slot provided at a corresponding position on the limiting sleeve.

5. The integrated anchoring and digging machine according to claim 5, characterized in that: A second rubber pad is arranged in the first clamping groove on the outer wall of the hydraulic rod cylinder, and a first rubber pad is arranged in the second clamping groove on the limiting sleeve.

6. The integrated anchoring and digging machine according to claim 1, characterized in that: A protrusion is fixedly arranged on a side of the lever plate away from the airbag.

7. The integrated anchoring and digging machine according to claim 6, characterized in that: The limit sleeve is elastically provided with an insert block with a hollow interior, the insert block is connected to a plug tube with one end plug-fitting with a third slot on the protrusion, the insert block is plug-fitting with a fourth slot on the output shaft of the hydraulic rod, and a third rubber pad is provided in the fourth slot.

8. The integrated anchoring and digging machine according to claim 1, characterized in that: A heat exchange cavity is symmetrically provided inside the end of the telescopic roller, a refrigerator is arranged in the heat exchange cavity, an air inlet port of the heat exchange cavity is connected to the plug block, and an air outlet port is connected to the space formed between the telescopic roller and the annular pressure plate.

9. The integrated anchoring and digging machine according to claim 8, characterized in that: A guide tube connected to the space between the annular pressure plate and the fixed tube is fixedly arranged on the outer wall of the fixed tube, and the cross-sectional area of ​​the guide tube gradually decreases from the air inlet to the air outlet. Temperature sensors are symmetrically arranged in the space formed between the annular pressure plate and the fixed tube.

10. The integrated anchoring and digging machine according to claim 9, characterized in that: A guide channel is provided in the lever plate, an air outlet of the guide channel is connected to the insertion tube, and an air inlet is connected to the guide pipe. A negative pressure pipe is connected between the air outlet of the guide pipe and the space formed between the telescopic roller and the annular pressure plate.

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