Anchor rod propelling device

By designing an anchor bolt propulsion device that includes a base, a support mounting seat, a guide mechanism, a pull-out shaft, and a tightening mechanism, the problem of low anchor bolt installation efficiency was solved. This device achieves efficient connection between the anchor bolt and the pull-out shaft and automatic tightening of the nut, thereby improving construction efficiency and quality.

CN121976832APending Publication Date: 2026-05-05CHINA RAILWAY SOUTHWEST SCI RES INST CO LTD +1
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Patent Information

Application Number
CN202610191937.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-10
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

When installing anchor bolts, the existing anchor bolt trolley has a large difference in frictional resistance between the nut thread and the anchor bolt thread, resulting in low anchor bolt installation efficiency. Furthermore, the propulsion mechanism is not easy to connect and tighten, which affects the project progress.

Method used

An anchor bolt propulsion device is adopted, which includes a base, a support mounting seat, a guide mechanism, a pull-out shaft, a hydraulic tensioning machine, and a tightening mechanism. The hydraulic tensioning machine applies the same tension to the anchor bolt, and the tightening mechanism realizes the connection between the anchor bolt and the pull-out shaft and the automatic tightening of the nut.

Benefits of technology

It improved the efficiency and quality of anchor bolt installation, reduced the labor intensity of workers, simplified the connection process between the anchor bolt and the tightening mechanism, and ensured the progress of the project.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an anchor rod propelling device. The problem that in the prior art, installation and grouting of an anchor rod are not convenient is solved. The device comprises a base, a supporting mounting seat arranged on the base, a guide mechanism arranged on the supporting mounting seat, a drawing shaft movably arranged in the supporting mounting seat and the guide mechanism and connected with an anchor rod, and a hydraulic tensioning machine arranged on the supporting mounting seat and connected with the drawing shaft. And the screwing mechanism is arranged on the supporting mounting seat and is connected with the drawing shaft. The drawing shaft and the anchor rod are connected through the screwing mechanism, the connecting efficiency of the anchor rod and the drawing shaft is improved, and prestress is conveniently applied to the anchor rod; when the anchor rod is installed, the guide mechanism can guide the anchor rod, and the anchor rod can enter the screwing mechanism, so that the anchor rod can be connected with the drawing shaft conveniently.
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Description

Technical Field

[0001] This invention belongs to the technical field of tunnel construction equipment, and specifically relates to an anchor bolt propulsion device. Background Technology

[0002] With the implementation of the national regulations on mechanization replacing manpower and automation reducing manpower in the field of engineering construction, anchor bolt trolleys have become an important initial support device in the construction of railway and highway tunnels in soft surrounding rock in my country. Their significant advantages have been gradually applied to railway and highway tunnels, and mechanized construction has gradually replaced traditional manual installation.

[0003] Currently, anchor bolt trolleys both domestically and internationally use a nut-tightening method to inflate anchor bolts during installation. This method suffers from significant differences in frictional resistance between the nut and anchor bolt threads, and between the nut and the washer. Since a large number of anchor bolts are used in rock reinforcement, repeatedly installing and disassembling the tension testing machine on each bolt would waste considerable time and manpower, severely impacting project progress. Furthermore, the propulsion mechanism makes it difficult to connect the anchor bolt to the tightening mechanism during installation, and also hinders the tightening of the anchor bolt nut. Summary of the Invention

[0004] The present invention provides an anchor bolt propulsion device to at least solve some of the above-mentioned technical problems.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: An anchor bolt propulsion device includes a base, a support mounting seat on the base, a guide mechanism on the support mounting seat, a pull shaft movably disposed within the support mounting seat and the guide mechanism and connected to the anchor bolt, a hydraulic tensioning machine disposed on the support mounting seat and connected to the pull shaft, and a tightening mechanism disposed on the support mounting seat and connected to the pull shaft.

[0006] Furthermore, the tightening mechanism includes a first rotating mechanism disposed on the support mounting base and connected to the anchor rod, a second rotating mechanism disposed on the support mounting base and connected to the pulling shaft, and a limiting sleeve disposed on the pulling shaft and located between the first rotating mechanism and the second rotating mechanism.

[0007] Furthermore, the first rotating mechanism includes an anchor bolt tightening sleeve rotatably mounted on the pulling shaft and connected to the limiting sleeve, a first hydraulic motor mounted on the support mounting base, a driving bevel gear A mounted on the output end of the first hydraulic motor, and a driven bevel gear A mounted on the anchor bolt tightening sleeve and meshing with the driving bevel gear A.

[0008] Furthermore, the anchor bolt tightening sleeve includes a transmission sleeve rotatably disposed within the guide mechanism and abutting against the limiting sleeve, and a rotating sleeve within the transmission sleeve for tightening the anchor bolt; the driven bevel gear A is mounted on the transmission sleeve.

[0009] Furthermore, the anchor bolt tightening sleeve is provided with a transmission boss A, and the driven bevel gear A is provided with a transmission groove A. The driven bevel gear A is installed on the transmission boss A through the transmission groove A.

[0010] Furthermore, the second rotating mechanism includes a second hydraulic motor mounted on a support mounting base, a driving bevel gear B mounted on the output end of the second hydraulic motor, a driven bevel gear B mounted on the second hydraulic motor and meshing with the driving bevel gear B, and a bearing rotatably mounted on the drawing shaft and connected to the driven bevel gear B and the limiting sleeve.

[0011] Furthermore, the drawing shaft is provided with a connecting part, and the connecting part is provided with evenly distributed transmission bosses B. The driven bevel gear B is provided with a transmission groove B that matches the transmission bosses B. The driven bevel gear B is installed on the transmission bosses B through the transmission groove B.

[0012] Furthermore, a limiting ring is provided inside the limiting sleeve, with one end of the limiting ring abutting against the transmission boss B and the other end abutting against the second rotating mechanism.

[0013] Furthermore, a threaded sleeve located within the tightening mechanism is fixed on the pulling shaft, and the threaded sleeve is threadedly connected to the anchor rod.

[0014] Furthermore, the guiding mechanism includes a mounting housing disposed on a support mounting base, a connecting block threadedly connected to the mounting housing, a guide plate disposed on the connecting block, and a buffer spring fitted onto the outside of the mounting housing and connected to the guide plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention has a simple structure, a scientific and reasonable design, and is easy to use. The present invention achieves the connection between the pull shaft and the anchor rod through a tightening mechanism, thereby improving the connection efficiency between the anchor rod and the pull shaft and facilitating the application of prestress to the anchor rod.

[0016] 2. The guiding mechanism of the present invention can guide the anchor rod during installation, allowing the anchor rod to enter the tightening mechanism for easy connection between the anchor rod and the pull-out shaft.

[0017] 3. The present invention uses a hydraulic tensioning machine to apply the same tension to each anchor rod through a pulling shaft, thereby improving the installation quality of the anchor rod. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the present invention.

[0019] Figure 2 This is a cross-sectional view of the present invention.

[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0021] Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0022] Figure 5 This is a schematic diagram of the anchor bolt tightening sleeve of the present invention.

[0023] Figure 6 This is a schematic diagram of the driven bevel gear A of the present invention.

[0024] Figure 7 This is a schematic diagram of the driven bevel gear B of the present invention.

[0025] Figure 8 This is a schematic diagram of the drawing shaft of the present invention.

[0026] The names corresponding to the reference numerals in the attached figures are as follows: 1. Base; 2. Support mounting seat; 3. Pulling shaft; 4. Limiting sleeve; 5. First hydraulic motor; 6. Driving bevel gear A; 7. Driven bevel gear A; 8. Transmission sleeve; 9. Rotating sleeve; 10. Transmission boss A; 11. Transmission groove A; 12. Second hydraulic motor; 13. Driving bevel gear B; 14. Driven bevel gear B; 15. Bearing; 16. Connecting part; 17. Transmission boss B; 18. Transmission groove B; 19. Limiting ring platform; 20. Threaded sleeve; 21. Mounting housing; 22. Connecting block; 23. Guide plate; 24. Buffer spring; 25. Anchor bolt tightening sleeve; 26. Hydraulic tensioning machine. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of this invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0028] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; of course, they can also refer to a mechanical connection or an electrical connection; furthermore, they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0030] Example 1, such as Figure 1-8 As shown, the present invention provides an anchor bolt propulsion device, including a base 1, a support mounting seat 2 disposed on the base 1, a guide mechanism disposed on the support mounting seat 2, a pull shaft 3 movably disposed in the support mounting seat 2 and the guide mechanism and connected to the anchor bolt, a hydraulic tensioning machine 26 disposed on the support mounting seat 2 and connected to the pull shaft 3, and a tightening mechanism disposed on the support mounting seat 2 and connected to the pull shaft 3.

[0031] This invention achieves the connection between the pull-out shaft 3 and the anchor rod through a tightening mechanism, reducing the labor intensity of workers and improving the connection efficiency between the anchor rod and the pull-out shaft 3.

[0032] The guiding mechanism of this invention can guide the anchor rod during installation, allowing the anchor rod to enter the tightening mechanism for easy connection between the anchor rod and the pull-out shaft 3.

[0033] This invention improves the installation quality of anchor rods by applying the same tension to each anchor rod through the pull shaft 3 using a hydraulic tensioning machine 26.

[0034] The base 1 of this invention is slidably mounted on the propulsion beam (not shown in the figure).

[0035] In use, the sliding base 1 guides the anchor rod within the tightening mechanism via the guide mechanism. The tightening mechanism is activated, causing the anchor rod to rotate and connect the pull-out shaft 3 to the anchor rod. The anchor rod is then pushed into the pre-drilled anchor hole in the surrounding rock. The tightening mechanism then rotates the anchor rod, bringing the anchor rod sliding plate into contact with the surrounding rock. The hydraulic tensioning machine 26 is activated, applying tension to the pull-out shaft 3 and the anchor rod. The tightening mechanism then rotates the anchor nut on the anchor rod, locking it onto the anchor washer. The pull-out shaft 3 is then connected to the grouting equipment, allowing grout to enter the anchor rod through the pull-out shaft 3, thus completing the grouting operation. After grouting, the tightening mechanism reverses the pull-out shaft 3, separating it from the anchor rod, facilitating the connection and separation of the anchor rod.

[0036] Example 2, as Figure 1-8 As shown, the present invention provides an anchor bolt propulsion device, including a base 1, a support mounting seat 2 disposed on the base 1, a guide mechanism disposed on the support mounting seat 2, a pull shaft 3 movably disposed in the support mounting seat 2 and the guide mechanism and connected to the anchor bolt, a hydraulic tensioning machine 26 disposed on the support mounting seat 2 and connected to the pull shaft 3, and a tightening mechanism disposed on the support mounting seat 2 and connected to the pull shaft 3.

[0037] The tightening mechanism includes a first rotating mechanism mounted on the support mounting base 2 and connected to the anchor rod, a second rotating mechanism mounted on the support mounting base 2 and connected to the pulling shaft 3, and a limiting sleeve 4 located on the pulling shaft 3 and between the first rotating mechanism and the second rotating mechanism.

[0038] The present invention facilitates the connection between the pull-out shaft 3 and the anchor rod by cooperating the first and second rotating mechanisms. At the same time, when the first rotating mechanism operates alone, it can tighten the nut on the anchor rod to facilitate the installation of the anchor rod. When the second rotating mechanism operates alone, it drives the pull-out shaft 3 to rotate, and the pull-out shaft 3 drives the anchor rod to rotate, thereby facilitating the contact between the anchor rod sliding plate and the surrounding rock to fix the anchor rod.

[0039] When using this invention, if it is necessary to connect the pull-out shaft 3 and the anchor rod, the anchor rod nut is placed into the first rotating mechanism, and the second rotating mechanism is started. The second rotating mechanism drives the pull-out shaft 3, so that the pull-out shaft 3 is connected to the anchor rod. When it is necessary to tighten the anchor rod nut, the first rotating mechanism is started, and the first rotating mechanism drives the anchor rod nut to rotate, so that the anchor rod nut is locked on the anchor rod washer, thereby realizing the automatic tightening of the anchor rod nut and reducing the labor intensity of workers.

[0040] Example 3, as Figure 1-8As shown, the present invention provides an anchor bolt propulsion device, including a base 1, a support mounting seat 2 disposed on the base 1, a guide mechanism disposed on the support mounting seat 2, a pull shaft 3 movably disposed in the support mounting seat 2 and the guide mechanism and connected to the anchor bolt, a hydraulic tensioning machine 26 disposed on the support mounting seat 2 and connected to the pull shaft 3, and a tightening mechanism disposed on the support mounting seat 2 and connected to the pull shaft 3.

[0041] The tightening mechanism includes a first rotating mechanism mounted on the support mounting base 2 and connected to the anchor rod, a second rotating mechanism mounted on the support mounting base 2 and connected to the pulling shaft 3, and a limiting sleeve 4 located on the pulling shaft 3 and between the first rotating mechanism and the second rotating mechanism.

[0042] The first rotating mechanism includes an anchor bolt tightening sleeve 25 rotatably mounted on the pulling shaft 3 and connected to the limiting sleeve 4, a first hydraulic motor 5 mounted on the support mounting base 2, a driving bevel gear A6 mounted on the output end of the first hydraulic motor 5, and a driven bevel gear A7 mounted on the anchor bolt tightening sleeve 25 and meshing with the driving bevel gear A6.

[0043] In this invention, when it is necessary to tighten the anchor bolt nut, the first hydraulic motor 5 is started. The first hydraulic motor 5 drives the driven bevel gear A7 to rotate through the active bevel gear A6. The driven bevel gear A7 drives the anchor bolt tightening sleeve 25 to rotate. The anchor bolt tightening sleeve 25 drives the anchor bolt nut to rotate, thereby realizing the automatic tightening of the anchor bolt nut and reducing the labor intensity of workers.

[0044] Example 4, as Figure 1-8 As shown, the present invention provides an anchor bolt propulsion device, including a base 1, a support mounting seat 2 disposed on the base 1, a guide mechanism disposed on the support mounting seat 2, a pull shaft 3 movably disposed in the support mounting seat 2 and the guide mechanism and connected to the anchor bolt, a hydraulic tensioning machine 26 disposed on the support mounting seat 2 and connected to the pull shaft 3, and a tightening mechanism disposed on the support mounting seat 2 and connected to the pull shaft 3.

[0045] The tightening mechanism includes a first rotating mechanism mounted on the support mounting base 2 and connected to the anchor rod, a second rotating mechanism mounted on the support mounting base 2 and connected to the pulling shaft 3, and a limiting sleeve 4 located on the pulling shaft 3 and between the first rotating mechanism and the second rotating mechanism.

[0046] The first rotating mechanism includes an anchor bolt tightening sleeve 25 rotatably mounted on the pulling shaft 3 and connected to the limiting sleeve 4, a first hydraulic motor 5 mounted on the support mounting base 2, a driving bevel gear A6 mounted on the output end of the first hydraulic motor 5, and a driven bevel gear A7 mounted on the anchor bolt tightening sleeve 25 and meshing with the driving bevel gear A6.

[0047] The anchor bolt tightening sleeve 25 includes a transmission sleeve 8 rotatably disposed within the guide mechanism and abutting against the limiting sleeve 4, and a rotating sleeve 9 within the transmission sleeve 8 for tightening the anchor bolt; the driven bevel gear A7 is mounted on the transmission sleeve 8.

[0048] The transmission sleeve 8 of this invention is rotatably mounted on the support mounting base 2, the driven bevel gear A7 is mounted on the transmission sleeve 8, and the rotating sleeve 9 is provided with bolt limiting holes adapted to the anchor bolts. In use, the driven bevel gear A7 drives the transmission sleeve 8 to rotate during rotation, and the transmission sleeve 8 drives the rotating sleeve 9 to rotate, thereby realizing the tightening of the anchor bolts.

[0049] Example 5, as Figure 1-8 As shown, the present invention provides an anchor bolt propulsion device, including a base 1, a support mounting seat 2 disposed on the base 1, a guide mechanism disposed on the support mounting seat 2, a pull shaft 3 movably disposed in the support mounting seat 2 and the guide mechanism and connected to the anchor bolt, a hydraulic tensioning machine 26 disposed on the support mounting seat 2 and connected to the pull shaft 3, and a tightening mechanism disposed on the support mounting seat 2 and connected to the pull shaft 3.

[0050] The tightening mechanism includes a first rotating mechanism mounted on the support mounting base 2 and connected to the anchor rod, a second rotating mechanism mounted on the support mounting base 2 and connected to the pulling shaft 3, and a limiting sleeve 4 located on the pulling shaft 3 and between the first rotating mechanism and the second rotating mechanism.

[0051] The first rotating mechanism includes an anchor bolt tightening sleeve 25 rotatably mounted on the pulling shaft 3 and connected to the limiting sleeve 4, a first hydraulic motor 5 mounted on the support mounting base 2, a driving bevel gear A6 mounted on the output end of the first hydraulic motor 5, and a driven bevel gear A7 mounted on the anchor bolt tightening sleeve 25 and meshing with the driving bevel gear A6.

[0052] The anchor bolt tightening sleeve 25 is provided with a transmission boss A10, and the driven bevel gear A7 is provided with a transmission groove A11. The driven bevel gear A7 is installed on the transmission boss A10 through the transmission groove A11.

[0053] When in use, the transmission boss A10 and the transmission groove A11 cooperate to facilitate the installation of the driven bevel gear A7 on the anchor bolt tightening sleeve 25, thereby realizing the transmission of power.

[0054] Example 6, as Figure 1-8As shown, the present invention provides an anchor bolt propulsion device, including a base 1, a support mounting seat 2 disposed on the base 1, a guide mechanism disposed on the support mounting seat 2, a pull shaft 3 movably disposed in the support mounting seat 2 and the guide mechanism and connected to the anchor bolt, a hydraulic tensioning machine 26 disposed on the support mounting seat 2 and connected to the pull shaft 3, and a tightening mechanism disposed on the support mounting seat 2 and connected to the pull shaft 3.

[0055] The tightening mechanism includes a first rotating mechanism mounted on the support mounting base 2 and connected to the anchor rod, a second rotating mechanism mounted on the support mounting base 2 and connected to the pulling shaft 3, and a limiting sleeve 4 located on the pulling shaft 3 and between the first rotating mechanism and the second rotating mechanism.

[0056] The second rotating mechanism includes a second hydraulic motor 12 mounted on the support mounting base 2, a driving bevel gear B13 mounted on the output end of the second hydraulic motor 12, a driven bevel gear B14 mounted on the second hydraulic motor 12 and meshing with the driving bevel gear B13, and a bearing 15 rotatably mounted on the drawing shaft 3 and connected to the driven bevel gear B14 and the limiting sleeve 4.

[0057] When this invention is used, the second hydraulic motor 12 is started, which drives the active bevel gear B13 to rotate. The active bevel gear B13 drives the driven bevel gear B14 to rotate, and the driven bevel gear B14 drives the pulling shaft 3 to rotate, thereby connecting the pulling shaft 3 and the end of the anchor rod. The bearing 15 of this invention can not only fix and limit the driven bevel gear B14, but also realize the power separation between the first rotating mechanism and the second rotating mechanism.

[0058] Example 7, as Figure 1-8 As shown, the present invention provides an anchor bolt propulsion device, including a base 1, a support mounting seat 2 disposed on the base 1, a guide mechanism disposed on the support mounting seat 2, a pull shaft 3 movably disposed in the support mounting seat 2 and the guide mechanism and connected to the anchor bolt, a hydraulic tensioning machine 26 disposed on the support mounting seat 2 and connected to the pull shaft 3, and a tightening mechanism disposed on the support mounting seat 2 and connected to the pull shaft 3.

[0059] The second rotating mechanism includes a second hydraulic motor 12 mounted on the support mounting base 2, a driving bevel gear B13 mounted on the output end of the second hydraulic motor 12, a driven bevel gear B14 mounted on the second hydraulic motor 12 and meshing with the driving bevel gear B13, and a bearing 15 rotatably mounted on the drawing shaft 3 and connected to the driven bevel gear B14 and the limiting sleeve 4.

[0060] The drawing shaft 3 is provided with a connecting part 16, and the connecting part 16 is provided with evenly distributed transmission bosses B17. The driven bevel gear B14 is provided with a transmission groove B18 that matches the transmission bosses B17. The driven bevel gear B14 is installed on the transmission bosses B17 through the transmission groove B18.

[0061] The present invention achieves power transmission by cooperating with the transmission boss B17 and the transmission groove B18. At the same time, when the hydraulic tensioning machine 26 is running, the transmission boss B17 slides in the transmission groove B18, thereby facilitating the tightening and grouting of the anchor rod.

[0062] Example 8, as Figure 1-8 As shown, the present invention provides an anchor bolt propulsion device, including a base 1, a support mounting seat 2 disposed on the base 1, a guide mechanism disposed on the support mounting seat 2, a pull shaft 3 movably disposed in the support mounting seat 2 and the guide mechanism and connected to the anchor bolt, a hydraulic tensioning machine 26 disposed on the support mounting seat 2 and connected to the pull shaft 3, and a tightening mechanism disposed on the support mounting seat 2 and connected to the pull shaft 3.

[0063] The tightening mechanism includes a first rotating mechanism mounted on the support mounting base 2 and connected to the anchor rod, a second rotating mechanism mounted on the support mounting base 2 and connected to the pulling shaft 3, and a limiting sleeve 4 located on the pulling shaft 3 and between the first rotating mechanism and the second rotating mechanism.

[0064] The second rotating mechanism includes a second hydraulic motor 12 mounted on the support mounting base 2, a driving bevel gear B13 mounted on the output end of the second hydraulic motor 12, a driven bevel gear B14 mounted on the second hydraulic motor 12 and meshing with the driving bevel gear B13, and a bearing 15 rotatably mounted on the drawing shaft 3 and connected to the driven bevel gear B14 and the limiting sleeve 4.

[0065] The drawing shaft 3 is provided with a connecting part 16, and the connecting part 16 is provided with evenly distributed transmission bosses B17. The driven bevel gear B14 is provided with a transmission groove B18 that matches the transmission bosses B17. The driven bevel gear B14 is installed on the transmission bosses B17 through the transmission groove B18.

[0066] The limiting sleeve 4 is provided with a limiting ring platform 19. One end of the limiting ring platform 19 is abutted against the transmission boss B17, and the other end is abutted against the second rotating mechanism.

[0067] The present invention can limit the pulling shaft 3 by means of the limiting ring platform 19, so as to prevent the connecting part 16 from contacting the driven bevel gear A7.

[0068] Example 9, as Figure 1-8As shown, the present invention provides an anchor bolt propulsion device, including a base 1, a support mounting seat 2 disposed on the base 1, a guide mechanism disposed on the support mounting seat 2, a pull shaft 3 movably disposed in the support mounting seat 2 and the guide mechanism and connected to the anchor bolt, a hydraulic tensioning machine 26 disposed on the support mounting seat 2 and connected to the pull shaft 3, and a tightening mechanism disposed on the support mounting seat 2 and connected to the pull shaft 3.

[0069] A threaded sleeve 20 located in the tightening mechanism is fixed on the pulling shaft 3, and the threaded sleeve 20 is threadedly connected to the anchor rod.

[0070] The threaded sleeve 20 of this invention is installed on the pull shaft 3 and rotates synchronously with the pull shaft 3. The threaded sleeve 20 has an internal thread that is compatible with the anchor rod. In use, when the pull shaft 3 rotates, the pull shaft 3 drives the threaded sleeve 20 to rotate. When the threaded sleeve 20 is tightened with the anchor rod, the threaded sleeve 20 drives the anchor rod to rotate, thereby realizing the installation of the anchor rod.

[0071] Example 10, as Figure 1-8 As shown, the present invention provides an anchor bolt propulsion device, including a base 1, a support mounting seat 2 disposed on the base 1, a guide mechanism disposed on the support mounting seat 2, a pull shaft 3 movably disposed in the support mounting seat 2 and the guide mechanism and connected to the anchor bolt, a hydraulic tensioning machine 26 disposed on the support mounting seat 2 and connected to the pull shaft 3, and a tightening mechanism disposed on the support mounting seat 2 and connected to the pull shaft 3.

[0072] The guiding mechanism includes a mounting housing 21 on the support mounting base 2, a connecting block 22 threaded to the mounting housing 21, a guide plate 23 on the connecting block 22, and a buffer spring 24 fitted onto the outside of the mounting housing 21 and connected to the guide plate 23.

[0073] When the connecting block 22 comes into contact with the surrounding rock, the guide plate 23 squeezes the buffer spring 24, so that the guide plate 23 will not be subjected to force, thereby preventing the guide plate 23 from being damaged. At the same time, the transmission sleeve 8 is rotatably installed in the mounting housing 21.

[0074] The first hydraulic motor 5, the second hydraulic motor 12, and the hydraulic tensioning machine 26 used in this invention are existing technologies and can be purchased and used directly on the market. Therefore, the structure, principle, and connection relationship of the first hydraulic motor 5, the second hydraulic motor 12, and the hydraulic tensioning machine 26 will not be described in detail here.

[0075] Finally, it should be noted that the above embodiments are merely preferred embodiments of the present invention used to illustrate the technical solutions of the present invention, and are not intended to limit the invention, nor are they intended to limit the patent scope of the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention. That is to say, any changes or refinements made to the main design concept and spirit of the present invention that are not of substantial significance, but whose technical problems are still consistent with the present invention, should be included within the protection scope of the present invention. In addition, the direct or indirect application of the technical solutions of the present invention to other related technical fields are similarly included within the patent protection scope of the present invention.

Claims

1. An anchor bolt propulsion device, characterized in that, It includes a base (1), a support mounting seat (2) on the base (1), a guide mechanism on the support mounting seat (2), a pull shaft (3) movably disposed in the support mounting seat (2) and the guide mechanism and connected to the anchor rod, a hydraulic tensioning machine (26) disposed on the support mounting seat (2) and connected to the pull shaft (3), and a tightening mechanism disposed on the support mounting seat (2) and connected to the pull shaft (3).

2. The anchor bolt propulsion device according to claim 1, characterized in that, The tightening mechanism includes a first rotating mechanism disposed on the support mounting base (2) and connected to the anchor rod, a second rotating mechanism disposed on the support mounting base (2) and connected to the pull shaft (3), and a limiting sleeve (4) on the pull shaft (3) and located between the first rotating mechanism and the second rotating mechanism.

3. The anchor bolt propulsion device according to claim 2, characterized in that, The first rotating mechanism includes an anchor bolt tightening sleeve (25) rotatably mounted on the pulling shaft (3) and connected to the limiting sleeve (4), a first hydraulic motor (5) mounted on the support mounting base (2), a driving bevel gear A (6) mounted on the output end of the first hydraulic motor (5), and a driven bevel gear A (7) mounted on the anchor bolt tightening sleeve (25) and meshing with the driving bevel gear A (6).

4. The anchor bolt advancing device according to claim 3, characterized in that, The anchor bolt tightening sleeve (25) includes a transmission sleeve (8) rotatably disposed in the guide mechanism and abutting against the limiting sleeve (4), and a rotating sleeve (9) inside the transmission sleeve (8) for tightening the anchor bolt; the driven bevel gear A (7) is mounted on the transmission sleeve (8).

5. The anchor bolt advancing device according to claim 3, characterized in that, The anchor bolt tightening sleeve (25) is provided with a transmission boss A (10), and the driven bevel gear A (7) is provided with a transmission groove A (11). The driven bevel gear A (7) is installed on the transmission boss A (10) through the transmission groove A (11).

6. The anchor bolt advancing device according to claim 2, characterized in that, The second rotating mechanism includes a second hydraulic motor (12) mounted on a support mounting base (2), a driving bevel gear B (13) mounted on the output end of the second hydraulic motor (12), a driven bevel gear B (14) mounted on the second hydraulic motor (12) and meshing with the driving bevel gear B (13), and a bearing (15) rotatably mounted on the drawing shaft (3) and connected to the driven bevel gear B (14) and the limiting sleeve (4).

7. The anchor bolt advancing device according to claim 6, characterized in that, The drawing shaft (3) is provided with a connecting part (16), and the connecting part (16) is provided with evenly distributed transmission bosses B (17). The driven bevel gear B (14) is provided with a transmission groove B (18) that matches the transmission bosses B (17). The driven bevel gear B (14) is installed on the transmission bosses B (17) through the transmission groove B (18).

8. The anchor bolt advancing device according to claim 7, characterized in that, The limiting sleeve (4) is provided with a limiting ring platform (19). One end of the limiting ring platform (19) abuts against the transmission boss B (17), and the other end abuts against the second rotating mechanism.

9. The anchor bolt advancing device according to claim 1, characterized in that, A threaded sleeve (20) located in the tightening mechanism is fixed on the pulling shaft (3), and the threaded sleeve (20) is threadedly connected to the anchor rod.

10. An anchor bolt advancing device according to claim 1, characterized in that, The guiding mechanism includes a mounting housing (21) on the support mounting base (2), a connecting block (22) threaded to the mounting housing (21), a guide plate (23) on the connecting block (22), and a buffer spring (24) fitted on the outside of the mounting housing (21) and connected to the guide plate (23).