Drilling, injecting and anchoring integrated power head

By designing an integrated drilling and injection anchor power head, the automatic installation and locking of the anchor rod is solved, and the problems of high labor intensity and low efficiency caused by manual installation in the existing technology are improved, and the anchor rod support efficiency and tunnel excavation efficiency are improved.

CN222633257UActive Publication Date: 2025-03-18刘萌
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Patent Information

Application Number
CN202420378150.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-29
Publication Date
2025-03-18
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

The installation of existing tunnel anchors mainly relies on manual operations, resulting in high labor intensity and low operation efficiency of workers, affecting the efficiency of tunnel excavation.

Method used

A drilling and injection anchor integrated power head is designed, including a box, a locking device, a rotating device and a grouting head. Through these components, the functions of pushing into the anchor rod, agitating the roll, pulling prestress, locking the anchor rod and grouting are realized, and the anchor rod can be locked in the presence of prestress.

Benefits of technology

It effectively improves the anchor support efficiency, reduces the labor intensity of workers, and improves the efficiency of tunnel excavation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drilling, grouting and anchoring integrated power head, which relates to the technical field of tunnel and mining machinery, and comprises a box body, a locking device, a rotating device and a grouting head, the locking device comprises a first rotary driving device, a first driving shaft and a second driven shaft, the first rotary driving device is connected with the first driving shaft, and the second driven shaft is connected with the rotating device. The first driving shaft is in meshed connection with the first driven shaft, and one end of the first driven shaft can rotate a nut on the anchor rod to lock the anchor rod; the rotating device comprises a second rotation driving device, a first driving shaft and a second driven shaft, the second rotation driving device is connected with the second driving shaft, the second driving shaft is in meshed connection with the second driven shaft, the second end of the second driven shaft is used for being detachably and fixedly connected with the anchor rod, and the grouting head is connected and communicated with the first end of the second driven shaft. And slurry can be injected into the anchor rod through the central cavity of the second driven shaft, so that the anchor rod supporting efficiency is effectively improved, and the labor intensity of workers is effectively reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of tunnel and mining machinery, in particular to a drilling, injection and anchoring integrated power head. Background Art

[0002] As tunnel construction moves towards mechanization and automation, in tunnels excavated by drilling and blasting, anchor rods are often required to reinforce the initial surrounding rock of the tunnel, thereby restraining the deformation of the surrounding rock and preventing tunnel collapse. At present, tunnel anchor installation is mainly completed manually by inserting anchor rods into pre-drilled holes, and then locking and grouting. The labor intensity of workers is high and the efficiency of anchor rod application is low, which affects the excavation efficiency of the tunnel. Therefore, there is an urgent need for an anchor rod power head that can realize the functions of pushing anchor rods, stirring medicine rolls, pulling and applying prestress, locking anchor rods, grouting, etc., and it is necessary to lock the anchor rods when the anchor rods are prestressed, so as to improve the anchor support efficiency and reduce the labor intensity of workers. Utility Model Content

[0003] The purpose of the utility model is to provide a drilling and grouting anchor integrated power head to solve the problems existing in the above-mentioned prior art, effectively improve the anchor support efficiency, and effectively reduce the labor intensity of workers.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides an integrated power head for drilling, grouting and anchoring, comprising: a box body, a locking device, a rotating device and a grouting head, the box body is used to be connected to the integrated drilling, grouting and anchoring machine; the locking device comprises a first rotary drive device, a first driving shaft and a first driven shaft, the first rotary drive device is connected to the box body, the first driving shaft is rotatably connected to the box body, and the output shaft of the first rotary drive device is connected to the first driving shaft to drive the first driving shaft to rotate, the first driving shaft is meshed with the first driven shaft to drive the first driven shaft to rotate, one end of the first driven shaft is rotatably connected to the box body, and the other end is used to extend out of the box body and be able to rotate a nut on the anchor rod to lock the anchor rod; the rotating device comprises a second rotary drive device, a second driving shaft and a second driven shaft, The second rotary drive device is connected to a side of the housing away from the first rotary drive device, the second driving shaft is rotatably connected to the housing, the output shaft of the second rotary drive device is connected to the second driving shaft to drive the second driving shaft to rotate, the second driving shaft is meshedly connected to the second driven shaft to drive the second driven shaft to rotate, the first end of the second driven shaft is rotatably connected to the housing, the second end of the second driven shaft is used to extend out of the housing and can be detachably fixedly connected to the anchor rod to drive the anchor rod to rotate, the second driven shaft is sleeved in the first driven shaft and is coaxially arranged with the first driven shaft; the grouting head is connected and communicated with the first end of the second driven shaft, and can allow slurry to be injected into the anchor rod through the central cavity of the second driven shaft.

[0006] Preferably, it also includes a flange nut and an anchor rod joint, the second end of the second driven shaft is provided with a first thread, the flange nut is used to be threadedly connected to the first thread, the flange nut and the anchor rod joint are connected by a plurality of bolts, the anchor rod joint is provided with a second thread at one end away from the flange nut, the second thread is used to be threadedly connected to the anchor rod, the anchor rod structure is coaxially arranged with the second driven shaft and is provided with a central cavity connecting the second driven shaft and the cavity of the anchor rod.

[0007] Preferably, it also includes a sliding shaft and a hexagonal shaft head, wherein the sliding shaft is sleeved on the outer side of the first driven shaft and can slide along the first driven shaft and maintain the position after sliding, the hexagonal shaft head is connected to one end of the sliding shaft away from the box body, and the hexagonal shaft head is used to rotate the hexagonal nut on the anchor rod to lock the anchor rod.

[0008] Preferably, an inner side of the sliding shaft is provided with an inner spline, and an outer side of the first driven shaft is provided with an outer spline, and the inner spline is matched with the outer spline.

[0009] Preferably, it also includes a spring, a linear drive device, a fork plate and a baffle, the fixed end of the linear drive device is fixedly connected to the box body, the movable end of the linear drive device is fixedly connected to the fork plate, one end of the spring is fixedly connected to the sliding shaft, and the other end is fixedly connected to an end of the first driven shaft close to the box body, the baffle is fixedly connected to an end of the sliding shaft close to the box body and is arranged between the fork plate and the spring, and the baffle is arranged in the moving direction of the fork plate driven by the linear drive device.

[0010] Preferably, a first locking nut is further included, and a third thread is provided at one end of the first driven shaft away from the box body, and the first locking nut is threadedly connected to the third thread to limit the sliding shaft from sliding out of the second driven shaft.

[0011] Preferably, it also includes a guide sleeve, a placement station is provided on the inner side of one end of the first driven shaft away from the box body, the one end of the guide sleeve away from the box body is fixedly connected to the sliding shaft, and the guide sleeve is used to be sleeved on the outer side of the second driven shaft and can slide on the placement station.

[0012] Preferably, it also includes a first sealing ring, a second sealing ring and a third sealing ring, the first sealing ring is arranged at the end of the guide sleeve away from the box body to seal the gap between the guide sleeve and the second driven shaft, the second sealing ring is arranged at the end of the first driven shaft away from the guide sleeve to seal the gap between the first driven shaft and the second driven shaft, and the third sealing ring is arranged between the second driven shaft and the anchor rod joint to seal the gap between the second driven shaft and the anchor rod joint.

[0013] Preferably, it also includes a first bearing, a second bearing, a third bearing, a fourth bearing, a fifth bearing, a sixth bearing, a seventh bearing, an eighth bearing, a second locking nut and a third locking nut, wherein the two ends of the first driving shaft are rotatably connected to the housing through the first bearing and the second bearing respectively, and the two ends of the second driving shaft are rotatably connected to the housing through the third bearing and the fourth bearing respectively, the part of the first driving shaft extending into the housing is rotatably connected to the housing through the fifth bearing and the sixth bearing respectively, and the part of the second driving shaft extending into the housing is rotatably connected to the housing through the seventh bearing and the eighth bearing respectively, the second locking nut is used to lock the fifth bearing located at the end of the first driving shaft, and the third locking nut is used to lock the seventh bearing located at the end of the second driving shaft.

[0014] Preferably, it also includes a first driving gear, a first driven gear, a second driving gear and a second driven gear, the first driving gear is fixedly connected to the first driving shaft, the first driven gear is fixedly connected to the first driven shaft, the first driving gear is meshingly connected to the first driven gear, the second driving gear is fixedly connected to the second driving shaft, the second driven gear is fixedly connected to the second driven shaft, and the second driving gear is meshingly connected to the second driven gear.

[0015] Compared with the prior art, the utility model has achieved the following technical effects:

[0016] The utility model provides an integrated power head for drilling and grouting anchor, which is detachably fixedly connected to the anchor rod through a rotating device and can drive the anchor rod to rotate, thereby realizing the functions of pushing the anchor rod and stirring the medicine roll, and realizing the function of locking the anchor rod through the locking device. In addition, a first driven shaft of the locking device is sleeved on the outer side of a second driven shaft of the rotating device, and when the second driven shaft and the anchor rod are fixed, the anchor rod can be locked by rotating a nut on the anchor rod through the first driven shaft, thereby realizing locking the anchor rod when prestress exists in the tensioned anchor rod; and a grouting head is connected and communicated with the first end of the second driven shaft, so that the grouting function can be realized when grouting is required without disconnecting the second end of the second driven shaft from the anchor rod, and the second driven shaft is coaxially arranged with the first driven shaft, each driven by a different driving device, so that the respective rotational motions do not interfere with each other, and the rotational torque can be adjusted separately, thereby effectively improving the anchor support efficiency and reducing the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A front view of the integrated drilling, injection and anchoring power head provided by the utility model;

[0019] Figure 2 A top view of the integrated drilling, injection and anchoring power head provided by the utility model;

[0020] Figure 3 The push rod, stirring and pulling prestressed state of the integrated drilling and anchoring power head provided by the utility model Figure 2 Sectional view at the middle BB;

[0021] Figure 4The utility model provides a drilling and anchoring integrated power head when the anchor rod is locked Figure 2 Sectional view at the middle BB;

[0022] Figure 5 A structural cross-sectional view of the second driven shaft in the integrated drilling, injection and anchoring power head provided by the utility model;

[0023] Figure 6 A front view of the first driven shaft in the integrated drilling, injection and anchoring power head provided by the utility model;

[0024] Figure 7 This is a structural sectional view of the first driven shaft in the integrated drilling, injection and anchoring power head provided by the utility model;

[0025] Figure 8 It is a front view, a right view and a cross-sectional view of the sliding shaft in the integrated drilling, injection and anchoring power head provided by the utility model;

[0026] Fig. 9 It is a right view and a cross-sectional view of the hexagonal shaft head in the integrated drilling, injection and anchoring power head provided by the utility model;

[0027] In the figure: 1, housing; 2, first driving shaft; 3, first driving gear; 4, first rotary drive device; 5, first driven shaft; 6, first driven gear; 7, sliding shaft; 8, hexagonal shaft head; 9, second rotary drive device; 10, second driving shaft; 11, second driving gear; 12, second driven gear; 13, second driven shaft; 14, spring; 15, linear drive device; 16, fork plate; 17, flange nut; 18, anchor rod joint; 19, bolt; 20, first locking nut; 21, The first sealing ring; 22, the third sealing ring; 23, the grouting head; 24, the second sealing ring; 25, the second locking nut; 26, the third locking nut; 27, the third bearing; 28, the fourth bearing; 29, the first bearing; 30, the second bearing; 31, the seventh bearing; 32, the eighth bearing; 33, the fifth bearing; 34, the sixth bearing; 35, the guide sleeve; 36, the first thread; 37, the second thread; 38, the third thread; 39, the placement station; 40, the external spline; 41, the baffle; 42, the internal spline. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] The purpose of the utility model is to provide a drilling and grouting anchor integrated power head to solve the problems existing in the above-mentioned prior art, effectively improve the anchor support efficiency, and effectively reduce the labor intensity of workers.

[0030] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0031] The utility model provides a drilling, injection and anchoring integrated power head, such as Figures 1 to 9As shown, it includes: a box body 1, a locking device, a rotating device and a grouting head 23, the box body 1 is used to be connected to the drilling and grouting anchoring machine; the locking device includes a first rotary driving device 4, a first driving shaft 2 and a first driven shaft 5, the first rotary driving device 4 is connected to the box body 1, the first driving shaft 2 is rotatably connected to the box body 1, and the output shaft of the first rotary driving device 4 is connected to the first driving shaft 2 to drive the first driving shaft 2 to rotate, the first driving shaft 2 is meshed with the first driven shaft 5 to drive the first driven shaft 5 to rotate, one end of the first driven shaft 5 is rotatably connected to the box body 1, and the other end is used to extend out of the box body 1 and be able to rotate the anchor rod. The nut is used to lock the anchor rod; the rotating device includes a second rotary drive device 9, a second driving shaft 10 and a second driven shaft 13, the second rotary drive device 9 is connected to the side of the box body 1 away from the first rotary drive device 4, the second driving shaft 10 is rotatably connected to the box body 1, the output shaft of the second rotary drive device 9 is connected to the second driving shaft 10 to drive the second driving shaft 10 to rotate, the second driving shaft 10 is meshed and connected with the second driven shaft 13 to drive the second driven shaft 13 to rotate, the first end of the second driven shaft 13 is rotatably connected to the box body 1, and the second end of the second driven shaft 13 is used to extend out of the box body 1 and can be detachably fixed to the anchor rod. The second driven shaft 13 is sleeved in the first driven shaft 5 and is coaxial with the first driven shaft 5; the grouting head 23 is connected and communicated with the first end of the second driven shaft 13, and can inject slurry into the anchor rod through the central cavity of the second driven shaft 13, and is detachably fixedly connected to the anchor rod through the rotating device, and can drive the anchor rod to rotate, so as to realize the function of pushing the anchor rod and stirring the medicine roll, and can realize the function of locking the anchor rod through the locking device, and in addition, the first driven shaft 5 of the locking device is sleeved on the outside of the second driven shaft 13 of the rotating device, and can be in the second driven shaft When the shaft 13 is fixed to the anchor rod, the nut on the anchor rod is rotated by the first driven shaft 5 to lock the anchor rod, so that the anchor rod can be locked when prestress exists in the tightened anchor rod; and by connecting and communicating the grouting head 23 at the first end of the second driven shaft 13, the grouting function can be achieved without disconnecting the second end of the second driven shaft 13 from the anchor rod when grouting is required, and the second driven shaft 13 is coaxially arranged with the first driven shaft 5, each driven by a different driving device, so that their respective rotational motions do not interfere with each other, and the rotational torque can be adjusted separately, thereby effectively improving the anchor support efficiency and reducing the labor intensity of workers.

[0032] In a preferred embodiment, the integrated drilling and grouting anchor power head also includes a flange nut 17 and an anchor joint 18. The second end of the second driven shaft 13 is provided with a first thread 36, and the flange nut 17 is used to be threadedly connected to the first thread 36. The flange nut 17 and the anchor joint 18 are connected by multiple bolts 19. The end of the anchor joint 18 away from the flange nut 17 is provided with a second thread 37, and the second thread 37 is used to be threadedly connected to the anchor rod. The anchor rod structure is coaxially arranged with the second driven shaft 13 and is provided with a central cavity connecting the second driven shaft 13 and the cavity of the anchor rod. The anchor joint 18 is an easily worn part. The anchor joint 18 of the utility model is detachably arranged at the front end of the second driven shaft 13. After the anchor joint 18 is worn, only the anchor joint 18 needs to be replaced, and there is no need to replace the entire second driven shaft 13, thereby effectively reducing the difficulty of replacement, saving replacement time, and effectively reducing costs.

[0033] In a preferred embodiment, the integrated drilling and grouting anchor power head also includes a sliding shaft 7 and a hexagonal shaft head 8. The sliding shaft 7 is sleeved on the outer side of the first driven shaft 5 and can slide along the first driven shaft 5 and maintain the position after sliding. The hexagonal shaft head 8 is connected to the end of the sliding shaft 7 away from the box body 1, and the hexagonal shaft head 8 is used to rotate the hexagonal nut on the anchor rod to lock the anchor rod. The sliding of the sliding shaft 7 drives the position of the hexagonal shaft head 8 relative to the anchor rod joint 18 to change, thereby facilitating the functions of pushing, stirring, pulling prestressing and locking the anchor rod.

[0034] In a preferred embodiment, an internal spline 42 is provided on the inner side of the sliding shaft 7, and an external spline 40 is provided on the outer side of the first driven shaft 5. The internal spline 42 and the external spline 40 are matched with each other, and the structure is simple. The structure can slide in the length direction of the first driven shaft 5, and the sliding shaft 7 and the first driven shaft 5 can be limited from rotating in the opposite direction relative to each other.

[0035] In a preferred embodiment, the integrated drilling and anchoring power head also includes a spring 14, a linear drive device 15, a fork plate 16 and a baffle 41. The fixed end of the linear drive device 15 is fixedly connected to the housing 1, and the movable end of the linear drive device 15 is fixedly connected to the fork plate 16. One end of the spring 14 is fixedly connected to the sliding shaft 7, and the other end is fixedly connected to an end of the first driven shaft 5 close to the housing 1. The baffle 41 is fixedly connected to an end of the sliding shaft 7 close to the housing 1 and is arranged between the fork plate 16 and the spring 14. The baffle 41 is arranged in the moving direction of the fork plate 16 driven by the linear drive device 15. The linear drive device 15 can be extended to a certain length. When the linear drive device 15 is in the retracted position, the fork plate 16 connected thereto pushes the baffle 41 to move and compress the spring 14, thereby compressing the sliding shaft 7 and the hexagonal shaft head 8 connected thereto. Figure 3position, at this time the hexagonal shaft head 8 is in a retracted state relative to the anchor rod joint 18, which facilitates the connection between the anchor rod joint 18 and the anchor rod, thereby realizing the push rod, stirring the medicine roll and pulling to apply prestress; when the linear drive device 15 extends a certain length, the fork plate 16 connected thereto extends to release the spring 14, and the internal spline 42 shaft and the hexagonal shaft head 8 connected thereto move forward a certain distance relative to the anchor rod joint 18 under the action of the spring 14 force, that is, Figure 4 When the linear drive device 15 is fully extended, the spring 14 is fully released, and the position L of the hexagonal shaft head 8 relative to the anchor rod joint 18 in the axial direction can be changed according to the actual situation of the anchor rod, which increases flexibility.

[0036] In a preferred embodiment, the integrated drilling and anchoring power head also includes a first locking nut 20, and a third thread 38 is provided at the end of the first driven shaft 5 away from the box body 1. The first locking nut 20 is threadedly connected to the third thread 38 to limit the sliding shaft 7 from sliding out of the second driven shaft 13. The first locking nut 20 is used to limit the position of the internal spline 42 shaft to prevent it from falling out.

[0037] In a preferred embodiment, the integrated drilling and anchoring power head also includes a guide sleeve 35, and a placement station 39 is arranged on the inner side of the end of the first driven shaft 5 away from the box body 1. The end of the guide sleeve 35 away from the box body 1 is fixedly connected to the sliding shaft 7, and the guide sleeve 35 is used to be sleeved on the outer side of the second driven shaft 13 and can slide on the placement station 39.

[0038] In a preferred embodiment, the integrated drilling and grouting anchor power head also includes a first sealing ring 21, a second sealing ring 24 and a third sealing ring 22. The first sealing ring 21 is arranged at the end of the guide sleeve 35 away from the box body 1 to seal the gap between the guide sleeve 35 and the second driven shaft 13. The second sealing ring 24 is arranged at the end of the first driven shaft 5 away from the guide sleeve 35 to seal the gap between the first driven shaft 5 and the second driven shaft 13. The third sealing ring 22 is arranged between the second driven shaft 13 and the anchor rod joint 18 to seal the gap between the second driven shaft 13 and the anchor rod joint 18. The structure is simple and prevents slurry from penetrating between the first driven shaft 5 and the second driven shaft 13.

[0039] In a preferred embodiment, the integrated drilling and anchoring power head also includes a first bearing 29, a second bearing 30, a third bearing 27, a fourth bearing 28, a fifth bearing 33, a sixth bearing 34, a seventh bearing 31, an eighth bearing 32, a second locking nut 25 and a third locking nut 26. The two ends of the first driving shaft 2 are rotatably connected to the housing 1 through the first bearing 29 and the second bearing 30, respectively. The two ends of the second driving shaft 10 are rotatably connected to the housing 1 through the third bearing 27 and the fourth bearing 28, respectively. The part of the first driving shaft 2 extending into the housing 1 is rotatably connected to the housing 1 through the fifth bearing 33 and the sixth bearing 34, respectively. The part of the second driving shaft 10 extending into the housing 1 is rotatably connected to the housing 1 through the seventh bearing 31 and the eighth bearing 32, respectively. The second locking nut 25 is used to lock the fifth bearing 33 located at the end of the first driving shaft 2, and the third locking nut 26 is used to lock the seventh bearing 31 located at the end of the second driving shaft 10.

[0040] In a preferred embodiment, the integrated drilling and grouting anchor power head also includes a first driving gear 3, a first driven gear 6, a second driving gear 11 and a second driven gear 12. The first driving gear 3 is fixedly connected to the first driving shaft 2, the first driven gear 6 is fixedly connected to the first driven shaft 5, the first driving gear 3 is meshingly connected to the first driven gear 6, the second driving gear 11 is fixedly connected to the second driving shaft 10, the second driven gear 12 is fixedly connected to the second driven shaft 13, and the second driving gear 11 is meshingly connected to the second driven gear 12. The structure is simple and the transmission is stable.

[0041] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A drilling, grouting and anchoring integrated power head, characterized by: include: A box body, the box body being used to connect with the drilling, grouting and anchoring machine; a locking device, the locking device comprising a first rotary drive device, a first driving shaft and a first driven shaft, the first rotary drive device being connected to the housing, the first driving shaft being rotatably connected to the housing, and the output shaft of the first rotary drive device being connected to the first driving shaft to drive the first driving shaft to rotate, the first driving shaft being meshed with the first driven shaft to drive the first driven shaft to rotate, one end of the first driven shaft being rotatably connected to the housing, and the other end being used to extend out of the housing and be able to rotate a nut on an anchor rod to lock the anchor rod; The rotating device comprises a second rotary driving device, a second driving shaft and a second driven shaft, the second rotary driving device is connected to a side of the housing away from the first rotary driving device, the second driving shaft is rotatably connected to the housing, the output shaft of the second rotary driving device is connected to the second driving shaft to drive the second driving shaft to rotate, the second driving shaft is meshed with the second driven shaft to drive the second driven shaft to rotate, the first end of the second driven shaft is rotatably connected to the housing, the second end of the second driven shaft is used to extend out of the housing and be detachably fixed to the anchor rod to drive the anchor rod to rotate, the second driven shaft is sleeved in the first driven shaft and is coaxially arranged with the first driven shaft; as well as A grouting head is connected to and communicated with the first end of the second driven shaft and is capable of injecting grout into the anchor rod through the central cavity of the second driven shaft.

2. The integrated drilling and grouting anchor power head according to claim 1, characterized in that: It also includes a flange nut and an anchor rod joint, the second end of the second driven shaft is provided with a first thread, the flange nut is used to be threadedly connected to the first thread, the flange nut and the anchor rod joint are connected by multiple bolts, the anchor rod joint is provided with a second thread at one end away from the flange nut, the second thread is used to be threadedly connected to the anchor rod, the anchor rod structure is coaxially arranged with the second driven shaft and is provided with a central cavity communicating with the second driven shaft and a cavity of the anchor rod.

3. The integrated drilling and grouting anchor power head according to claim 1, characterized in that: It also includes a sliding shaft and a hexagonal shaft head. The sliding shaft is sleeved on the outside of the first driven shaft and can slide along the first driven shaft and maintain the position after sliding. The hexagonal shaft head is connected to the end of the sliding shaft away from the box body, and the hexagonal shaft head is used to rotate the hexagonal nut on the anchor rod to lock the anchor rod.

4. The integrated drilling and grouting anchor power head according to claim 3, characterized in that: An internal spline is provided on the inner side of the sliding shaft, and an external spline is provided on the outer side of the first driven shaft, and the internal spline is matched with the external spline.

5. The integrated drilling and grouting anchor power head according to claim 4, characterized in that: It also includes a spring, a linear drive device, a fork plate and a baffle, the fixed end of the linear drive device is fixedly connected to the box body, the movable end of the linear drive device is fixedly connected to the fork plate, one end of the spring is fixedly connected to the sliding shaft, and the other end is fixedly connected to an end of the first driven shaft close to the box body, the baffle is fixedly connected to an end of the sliding shaft close to the box body and is arranged between the fork plate and the spring, and the baffle is arranged in the moving direction of the fork plate driven by the linear drive device.

6. The integrated drilling and grouting anchor power head according to claim 5, characterized in that: It also includes a first locking nut. A third thread is provided on one end of the first driven shaft away from the box body. The first locking nut is threadedly connected to the third thread to limit the sliding shaft from sliding out of the second driven shaft.

7. The integrated drilling and grouting anchor power head according to claim 6, characterized in that: It also includes a guide sleeve, a placement station is provided on the inner side of the end of the first driven shaft away from the box body, the end of the guide sleeve away from the box body is fixedly connected to the sliding shaft, and the guide sleeve is used to be sleeved on the outer side of the second driven shaft and can slide on the placement station.

8. The integrated drilling and grouting anchor power head according to claim 7, characterized in that: It also includes a first sealing ring, a second sealing ring and a third sealing ring. The first sealing ring is arranged at the end of the guide sleeve away from the box body to seal the gap between the guide sleeve and the second driven shaft. The second sealing ring is arranged at the end of the first driven shaft away from the guide sleeve to seal the gap between the first driven shaft and the second driven shaft. The third sealing ring is arranged between the second driven shaft and the anchor rod joint to seal the gap between the second driven shaft and the anchor rod joint.

9. The integrated drilling, grouting and anchoring power head according to claim 1, characterized in that: It also includes a first bearing, a second bearing, a third bearing, a fourth bearing, a fifth bearing, a sixth bearing, a seventh bearing, an eighth bearing, a second locking nut and a third locking nut. The two ends of the first driving shaft are rotatably connected to the housing through the first bearing and the second bearing respectively, and the two ends of the second driving shaft are rotatably connected to the housing through the third bearing and the fourth bearing respectively. The part of the first driving shaft extending into the housing is rotatably connected to the housing through the fifth bearing and the sixth bearing respectively, and the part of the second driving shaft extending into the housing is rotatably connected to the housing through the seventh bearing and the eighth bearing respectively. The second locking nut is used to lock the fifth bearing located at the end of the first driving shaft, and the third locking nut is used to lock the seventh bearing located at the end of the second driving shaft.

10. The integrated drilling and anchoring power head according to claim 1, characterized in that: It also includes a first driving gear, a first driven gear, a second driving gear and a second driven gear, the first driving gear is fixedly connected to the first driving shaft, the first driven gear is fixedly connected to the first driven shaft, the first driving gear is meshed with the first driven gear, the second driving gear is fixedly connected to the second driving shaft, the second driven gear is fixedly connected to the second driven shaft, and the second driving gear is meshed with the second driven gear.

Citation Information

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