A drilling trolley propulsion beam capable of bending and drilling holes and a drilling trolley

Abstract

The present invention discloses a drilling trolley propulsion beam capable of bending and drilling, and a drilling trolley. The drilling trolley propulsion beam capable of bending and drilling comprises a rock drill (4) and a drill rod (6) connected in sequence, one end of the drill rod (6) is provided with a drill bit (601), and the drilling trolley propulsion beam capable of bending and drilling also comprises a bending drilling guide device, the bending drilling guide device comprises a deflection assembly (1) and a telescopic drive assembly (3), the deflection assembly (1) comprises a top-attaching component (101), and the top-attaching component (101) is located behind the drill bit (601). The drilling trolley propulsion beam capable of bending and drilling comprises a bending drilling guide device, which can apply a radial force to the front part of the drill rod in the hole to change the drilling direction, thereby solving the problems of over-excavation and under-excavation of the peripheral contour of the existing tunnel drilling and blasting method and the poor durability of the skimmer drilling tool.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel construction, in particular to a rock drilling trolley propulsion beam capable of bending and drilling holes, and also to a rock drilling trolley. Background Art

[0002] In the construction of large-scale machinery supporting the drilling and blasting method, the core equipment is the rock drilling trolley for drilling blasting holes. Since there is a certain distance from the edge of the rock drill on the trolley to the center, in order to avoid the rock drill and pipeline colliding with the tunnel wall during drilling, a certain external insertion angle is required during the construction of the peripheral holes. As a result, the excavation profile of the tunnel cannot be guaranteed to extend horizontally forward, causing over-excavation and under-excavation. This problem seriously affects the construction period and cost of the tunnel.

[0003] In order to reduce the problem of over-excavation and under-excavation of peripheral holes, some construction personnel and equipment manufacturers on site have made various attempts. For example, Chinese patent document CN 113446012 A, published on September 28, 2021, discloses "A drilling induction device and method for a rock drill propulsion mechanism", in which a middle drill support cylinder is used to push the drill rod upward to achieve bending. Although this device and method can achieve inward deflection of peripheral holes to reduce over-excavation and improve blasting effects, there are also two problems: 1. If the drill rod is tilted outside the hole, it is difficult to change the subsequent direction after the drill bit enters the hole; 2. A large external force needs to be applied, resulting in a small bending radius of the drill rod and a tensile strength in the contact part, which seriously affects the service life of the drill rod, drill support, drill tail and rock drill. Summary of the invention

[0004] In order to solve the problem of reduced service life of the drill rod caused by the bending of the above-mentioned bent drill rod, the present invention provides a drilling trolley propulsion beam and a drilling trolley capable of bending and drilling, wherein the drilling trolley propulsion beam capable of bending and drilling comprises a bent drilling guide device, which can apply a radial force to the front part of the drill rod in the hole to change the drilling direction, thereby solving the problems of over-excavation and under-excavation of the peripheral contour of the existing tunnel drilling and blasting method and the poor durability of the skimmer drilling tools.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A rock drilling trolley propulsion beam capable of bending for drilling comprises a rock drill and a drill rod connected in sequence, a drill bit is provided at one end of the drill rod, the rock drilling trolley propulsion beam capable of bending for drilling further comprises a bending drilling guide device, the bending drilling guide device comprises a deflection assembly and a telescopic drive assembly, the deflection assembly comprises a top sticking component, the top sticking component is located behind the drill bit, the inner surface of the top sticking component contacts the outer surface of the drill rod, the central angle corresponding to the top sticking component is less than 180°, the distance from the outer surface of the top sticking component to the axis of the drill rod is equal to the radius of the drill bit, and the telescopic drive assembly can drive the top sticking component to move along the axis direction of the drill rod.

[0007] A rock drilling trolley comprises the above-mentioned rock drilling trolley propulsion beam capable of bending and drilling, and the rock drilling trolley also comprises a walking mechanism.

[0008] The beneficial effects of the present invention are:

[0009] 1. The drill rod maintains its original straight shape before entering the hole, and there is no need to manually brute force the drill rod. The bending deflection force is provided by the hole wall near the front end drill bit. Therefore, the rock drill, drill tail, drill support, etc. basically remain coaxial and are not affected, while the bending radius of the drill rod is larger and the deformation arc is softer, which has little effect on the service life of the rock drill and drill tools.

[0010] 2. Instead of the existing method of only intervening on the drill rod before drilling, the drilling trajectory can be controlled in real time after the drill bit enters the hole, ensuring that ideal peripheral holes are drilled and reducing the over-excavation and under-excavation problems of the tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0012] Figure 1 It is a schematic diagram of the propulsion beam of the rock drilling trolley capable of bending and drilling according to the present invention.

[0013] Figure 2 It is a schematic diagram of the front part of the propulsion beam of the rock drilling trolley capable of bending and drilling according to the present invention.

[0014] Figure 3 It is a schematic diagram of the rear part of the propulsion beam of the rock drilling trolley capable of bending and drilling according to the present invention.

[0015] Figure 4 is a schematic diagram of a curved drilling guide.

[0016] Figure 5 is a schematic diagram of the deflection assembly.

[0017] Figure 6 is a schematic diagram of the support assembly.

[0018] Figure 7 It is a connection diagram of the telescopic drive assembly.

[0019] Figure 8 It is a cross-sectional schematic diagram of the top-mounted component and the drill bit area.

[0020] Fig. 9 is along Figure 8 Schematic cross-sectional view along the AA direction.

[0021] Fig.10 is a schematic diagram of curved drilling.

[0022] Fig.11 This is a schematic diagram of first bending and then straight drilling.

[0023] The following are the descriptions of the reference numerals:

[0024] 1. Deflection assembly; 2. Support assembly; 3. Telescopic drive assembly; 4. Rock drill; 5. Beam arm; 6. Drill rod; 7. Drilling trolley propulsion beam capable of bending drilling and drilling trajectory generated by the drilling trolley; 8. Conventional drilling trajectory;

[0025] 101, top-mounted component; 102, long connecting plate; 103, deformation sensor; 104, plug-in piece;

[0026] 201, clamp; 202, bracket tube; 203, bracket bottom plate; 204, sliding plate;

[0027] 301, pin; 302, telescopic cylinder;

[0028] 401, base plate;

[0029] 501, slide rail;

[0030] 601, drill bit;

[0031] 1011, inner plate; 1012, outer plate; 1013, plug welding through hole;

[0032] 1021, long strip groove;

[0033] 2021. Plug-in groove. DETAILED DESCRIPTION

[0034] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0035] A drilling trolley propulsion beam capable of bending and drilling, comprising a rock drill 4 and a drill rod 6 connected in sequence, a drill bit 601 being provided at the front end of the drill rod 6, the drilling trolley propulsion beam capable of bending and drilling also comprising a bending drilling guide device, the bending drilling guide device comprising a deflection assembly 1 and a telescopic drive assembly 3, the deflection assembly 1 comprising a top-attaching component 101, the top-attaching component 101 being located behind the drill bit 601, the inner surface of the top-attaching component 101 being in contact with the outer surface of the drill rod 6, the central angle α corresponding to the top-attaching component 101 being less than 180°, the distance from the outer surface of the top-attaching component 101 to the axis of the drill rod 6 being equal to the radius R1 of the drill bit 601, the telescopic drive assembly 3 being able to drive the top-attaching component 101 to move along the axis direction of the drill rod 6, as shown in FIG. Figures 1 to 9 shown.

[0036] In this embodiment, the top-attaching component 101 is an arc-shaped plate-like structure. The top-attaching component 101 is located outside the drill rod 6. The axis of the top-attaching component 101 coincides with the axis of the drill rod 6. The inner radius r1 of the top-attaching component 101 is equal to the radius R2 of the drill rod 6. The inner surface of the top-attaching component 101 matches and fits the outer surface of the drill rod 6. The outer radius r2 of the top-attaching component 101 is equal to the radius R1 of the drill bit 601. Preferably, the central angle α corresponding to the top-attaching component 101 is greater than 60° and less than 120°. For example, the central angle α corresponding to the top-attaching component 101 is 90°. Figure 8 and Fig. 9 shown.

[0037] Since the outer radius r2 of the top-attaching component 101 is equal to the radius R1 of the drill bit 601, the top-attaching component 101 can enter the drilled hole synchronously with the drill bit 601, and the top-attaching component 101 can abut against the drill bit 601. The top-attaching component 101 is located above the drill rod 6, and the axis of the drill rod 6 extends in the front-back direction. When the drill rod 6 of the drilling trolley propulsion beam capable of bending and drilling is in the process of drilling, after the top-attaching component 101 and the drill bit 601 both enter the hole, there is the top-attaching component 101 on one side of the drill rod 6, and there is no top-attaching component 101 on the other side of the drill rod 6. The inner surface of the drilled hole will contact the top-attaching component 101 and provide a radial support force F to the top-attaching component 101. The top-attaching component 101 can provide a radial support force F to the drill rod 6, that is, the top-attaching component 101 provides the radial support force F to the drill rod 6, and the radial support force is facing away from the top-attaching component 101. For example, if the top-attaching component 101 is located above the drill rod 6, the top-attaching component 101 provides the drill rod 6 with a radial support force F downward; if the top-attaching component 101 is located on the left side of the drill rod 6, the top-attaching component 101 provides the drill rod 6 with a radial support force F to the right. Figure 8 and Fig. 9 shown.

[0038] In this embodiment, the top component 101 includes an inner plate 1011 and an outer plate 1012 which are stacked inside and outside. The inner plate 1011 and the outer plate 1012 are connected and fixed as a whole. There is no relative movement or rotation between the inner plate 1011 and the outer plate 1012. The thickness of the inner plate 1011 is greater than that of the outer plate 1012. The inner plate 1011 and the outer plate 1012 are both made of metal. The inner plate 1011 and the outer plate 1012 should have good wear resistance and hardness, so as to provide a radial support force F to the drill rod 6 during the drilling process. Figure 5 shown.

[0039] In this embodiment, the front end of the outer plate 1012 is flush with the front end of the inner plate 1011, the left end of the outer plate 1012 is flush with the left end of the inner plate 1011, the right end of the outer plate 1012 is flush with the right end of the inner plate 1011, and the rear end of the outer plate 1012 is located behind the rear end of the inner plate 1011. Along the axial direction of the drill rod 6, the length of the outer plate 1012 is greater than the length of the inner plate 1011.

[0040] In this embodiment, the deflection assembly 1 also includes a long connecting plate 102, which is a long strip structure. The length direction of the long connecting plate 102 is the same as the axial direction of the drill rod 6. The top component 101 and the long connecting plate 102 are arranged front and back. The front end of the long connecting plate 102 is connected and fixed to the outer plate 1012, and the long connecting plate 102 is located on the inner side of the outer plate 1012.

[0041] The cross section of the long connecting plate 102 is arc-shaped, and the inner radius of the long connecting plate 102 is equal to or slightly larger than the radius of the drill rod 6. In order to reduce the friction between the long connecting plate 102 and the drill rod 6, it is preferred that the inner radius of the long connecting plate 102 is slightly larger than the radius of the drill rod 6. The outer radius of the long connecting plate 102 is equal to the outer radius of the inner plate 1011, and the inner surface of the long connecting plate 102 matches and fits the outer surface of the drill rod 6. The central angle corresponding to the long connecting plate 102 is less than 180°, and preferably the central angle corresponding to the long connecting plate 102 is greater than 60° and less than 120°, for example, the central angle corresponding to the long connecting plate 102 is 90°.

[0042] The inner surface of the long connecting plate 102 is provided with a long strip groove 1021, and the long strip groove 1021 passes through the long connecting plate 102 along the axial direction of the drill rod 6. The length direction of the long strip groove 1021 is the same as the axial direction of the drill rod 6. A deformation sensor 103 is provided in the long strip groove 1021. The deformation sensor 103 is a long strip structure. The deformation sensor 103 is matched and installed in the long strip groove 1021. The deformation sensor 103 is a prior art product. The deformation sensor 103 can bend and deform synchronously with the bending deformation of the long connecting plate 102, so that the deformation sensor 103 can accurately measure the deformation of the long connecting plate 102, such as Figure 5 shown.

[0043] The deformation sensor 103 is connected to the control unit of the drilling rig. The deformation sensor 103 can sense the bending deformation of the long connecting plate 102 in real time, and feed back the data to the control unit of the drilling rig. Combined with the thrust beam orientation sensor and computer system of the drilling rig, the spatial orientation and posture information of the long connecting plate 102 can be obtained in real time, thereby determining the spatial orientation and posture information of the drill rod 6 and the drilled hole.

[0044] In this embodiment, the front and rear of the outer plate 1012 are provided with plug welding through holes 1013, the long connecting plate 102 is connected to the outer plate 1012 in an inner and outer stacking manner, the front end of the long connecting plate 102 is fixed to the rear of the outer plate 1012 by plug welding, and the inner plate 1011 is fixed to the outer plate 1012 by plug welding. During operation, the inner plate 1011 contacts the drill rod 6 and generates friction, and the outer plate 1012 contacts the inner wall of the drilled hole and generates friction. The materials of the inner plate 1011 and the outer plate 1012 are both made of wear-resistant steel plates. When the top component 101 is severely worn during use, the plug welding position can be polished and the top component 101 can be replaced, such as Figure 4 and Figure 5 shown.

[0045] In this embodiment, the propulsion beam of the drilling trolley capable of bending and drilling also includes a beam arm 5, on which a slide rail 501 is provided. The beam arm 5 and the slide rail 501 both extend in the front-to-back direction. The rock drill 4 is located at the rear of the beam arm 5. The rock drill 4 is located on the slide rail 501. The rear end of the drill rod 6 is connected to the rock drill 4. The rock drill 4 can drive the drill rod 6 to rotate and drill. The rock drill 4 and the drill rod 6 can move synchronously back and forth on the slide rail 501.

[0046] In this embodiment, the curved drilling guide device also includes a support assembly 2, which is connected to the rock drill 4 through a telescopic drive assembly 3. The support assembly 2 includes a support tube 202, a support base plate 203 and a sliding plate 204 (also referred to as a sliding block) which are connected and fixed in sequence from top to bottom. The rear end of the long connecting plate 102 of the deflection assembly 1 is connected and fixed to the support tube 202. The support tube 202 is sleeved on the outside of the drill rod 6. The axis of the support tube 202 coincides with the axis of the drill rod 6. The sliding plate 204 is matched and connected to the slide rail 501. The telescopic drive assembly 3 can drive the deflection assembly 1 and the support assembly 2 synchronously, which is equivalent to the rock drill 4 moving along the axis direction of the drill rod 6.

[0047] In this embodiment, the lower part of the rock drill 4 includes a base plate 401, the base plate 401 is matched and connected with the slide rail 501, the telescopic drive assembly 3 includes a telescopic cylinder 302, the telescopic cylinder 302 can be telescoped in the front-back direction, and the two ends of the telescopic cylinder 302 are respectively connected to the base plate 401 and the bracket bottom plate 203 through the pin shaft 301. The telescopic cylinder 302 can be telescoped in the front-back direction, so that the deflection assembly 1 and the support assembly 2 can be synchronously equivalent to the front-back movement of the rock drill 4. Figure 1 , Figure 2 , Figure 3 , Figure 6 and Figure 7 shown.

[0048] In this embodiment, two plug-in sheets 104 are provided at the rear end of the long connecting plate 102, and the two plug-in sheets 104 are arranged at intervals along the circumference of the long connecting plate 102. Two plug-in grooves 2021 are provided at the front of the bracket tube 202, and the two plug-in grooves 2021 are arranged at intervals along the circumference of the bracket tube 202. The plug-in sheet 104 is matched and plugged with the plug-in grooves 2021. The bracket tube 202 is provided with a clamp 201 on the outer sleeve, and the clamp 201 is sleeved outside the plug-in connection between the plug-in sheet 104 and the plug-in groove 2021. The clamp 201 can connect and fix the plug-in sheet 104 and the bracket tube 202, so that the deflection assembly 1 and the support assembly 2 are connected and fixed as a whole, such as Figure 3 and Figure 4 shown.

[0049] A drilling trolley is introduced below, which includes the above-mentioned drilling trolley propulsion beam capable of bending and drilling, and the drilling trolley also includes a walking mechanism, the walking mechanism includes tracks or wheels, and the walking mechanism can move the drilling trolley forward, backward, left and right.

[0050] The following describes the working process of the drilling trolley propulsion beam and the drilling trolley capable of bending and drilling, that is, when the drilling trolley performs peripheral hole drilling, the specific operation steps are as follows:

[0051] 1. The deflection assembly 1, the support assembly 2, the telescopic drive assembly 3 and the rock drill 4 are connected in sequence from front to back along the axial direction of the drill rod 6, the telescopic cylinder 302 of the telescopic drive assembly 3 is extended, the deflection assembly 1 and the support assembly 2 are moved forward, and the front end of the top-attaching component 101 is abutted against the rear end of the drill bit 601.

[0052] 2. Operate the rock drilling trolley to make the propulsion beam drill holes close to the tunnel face. At this time, the rock drill 4 drives the drill rod 6 to rotate and move forward synchronously, while continuously pushing the drill bit 601 and the top-sticking component 101 into the tunnel rock body. The deflection assembly 1 and the support assembly 2 only move forward with the drill rod 6, and the deflection assembly 1 and the support assembly 2 will not rotate with the drill rod 6.

[0053] 3. As the top-attaching component 101 enters the hole, the outer surface of the top-attaching component 101 (i.e., the outer plate 1012) contacts the inner wall surface of the hole. After the peripheral force of the drill rod 6 shakes, it is no longer uniform. The side of the drill rod 6 facing the top-attaching component 101 is subjected to the radial support force F, while the side of the drill rod 6 facing away from the top-attaching component 101 is not subjected to the radial support force F. The radial support force F faces away from the top-attaching component 101. The radial support force F causes the drill rod 6 to deflect, and the front part of the drill rod 6 and the drill bit 601 deflect in the direction of the radial support force F, so that the drill hole is bent. The effect is shown in FIG. Fig.10, wherein, the advancing beam of the rock drilling jumbo capable of bending drilling and the drilling trajectory 7 generated by the rock drilling jumbo are in a bent form, and the conventional drilling trajectory 8 is in a straight form. At the same time, the deformation sensor 103 deforms synchronously with the drill pipe 6, and displays information such as the shape and orientation of the formed hole on the display screen of the rock drilling jumbo in real time.

[0054] 4. The telescopic cylinder 302 can be telescoped to adjust the distance between the front end of the abutting member 101 and the rear end of the drill bit 601. By changing the distance between the front end of the abutting member 101 and the rear end of the drill bit 601, the radius of curvature of the advancing beam of the rock drilling jumbo capable of bending drilling and the drilling trajectory 7 generated by the rock drilling jumbo can be changed.

[0055] 5. When the bending degree of the drilling reaches the desired effect (for the convenience of subsequent charging, it is recommended here that the drill bit is basically horizontal and advanced), the telescopic cylinder 302 can be controlled to contract. At this time, the abutting member 101 retreats a corresponding distance and no longer abuts against the drill bit 601. Since the force around the drill bit 601 is restored to be uniform, the subsequent hole depth direction is basically kept straight and advanced. The effect is shown in the schematic Fig.11 .

[0056] 6. After reaching the required hole depth, the rock drill together with the bending drilling guiding device and the drill pipe 6 are retracted. The operation of retracting the drill in this step is the same as that of the conventional one.

[0057] For the convenience of understanding and description, absolute positional relationships are used in the present invention. Without special instructions, the orientation word "up" represents Figure 8 the upper side direction in Figure 8 the orientation word "down" represents Figure 8 the lower side direction in Figure 8 the orientation word "left" represents the direction perpendicular to Figure 8 the paper surface of Figure 8 and pointing to the inner side of the paper surface, the orientation word "right" represents the direction perpendicular to

[0058] the paper surface of and pointing to the outer side of the paper surface, the orientation word "front" represents Figure 8 the right side direction in Figure 8 the orientation word "rear" represents

[0058] the left side direction in . The present invention is described from the observation perspective of the reader or user, but the above orientation words should not be understood or interpreted as limiting the protection scope of the present invention.

[0058] As mentioned above, the above are only specific embodiments of the present invention, and the scope of the invention implementation cannot be limited by them. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the protection scope of the present invention patent, should still fall within the scope covered by this patent. In addition, the technical features in the present invention can be freely combined and used among technical features, between technical features and technical solutions, between technical solutions and technical solutions, and between embodiments and embodiments.

Claims

1. A rock drilling trolley propulsion beam capable of bending and drilling, comprising a rock drill (4) and a drill rod (6) connected in sequence, wherein a drill bit (601) is provided at one end of the drill rod (6), characterized in that: The drilling trolley propulsion beam capable of bending and drilling further comprises a bending drilling guide device, the bending drilling guide device comprising a deflection assembly (1) and a telescopic drive assembly (3), the deflection assembly (1) comprising a top-attaching component (101), the top-attaching component (101) being located behind the drill bit (601), the inner surface of the top-attaching component (101) being in contact with the outer surface of the drill rod (6), the central angle corresponding to the top-attaching component (101) being less than 180°, the distance from the outer surface of the top-attaching component (101) to the axis of the drill rod (6) being equal to the radius of the drill bit (601), and the telescopic drive assembly (3) being capable of driving the top-attaching component (101) to move along the axis of the drill rod (6); The top pasting component (101) comprises an inner pasting plate (1011) and an outer pasting plate (1012) which are stacked inside and outside, and the rear end of the outer pasting plate (1012) is located behind the rear end of the inner pasting plate (1011); The deflection assembly (1) further comprises a long connecting plate (102), which is in the form of a long strip. The length direction of the long connecting plate (102) is the same as the axial direction of the drill rod (6). The front end of the long connecting plate (102) is connected and fixed to the outer plate (1012), and the long connecting plate (102) is located on the inner side of the outer plate (1012).

2. The drilling trolley propulsion beam capable of bending and drilling according to claim 1, characterized in that: The top-attaching component (101) is in the form of an arc-shaped plate structure, the axis of the top-attaching component (101) coincides with the axis of the drill rod (6), the inner radius of the top-attaching component (101) is equal to the radius of the drill rod (6), the outer radius of the top-attaching component (101) is equal to the radius of the drill bit (601), and the central angle corresponding to the top-attaching component (101) is greater than 60° and less than 120°.

3. The drilling trolley propulsion beam capable of bending drilling according to claim 1, characterized in that: The top-sticking component (101) can abut against the drill bit (601), and the top-sticking component (101) is located above the drill rod (6). When the drill rod (6) of the drilling trolley propulsion beam capable of bending and drilling is in the process of drilling, after the top-sticking component (101) and the drill bit (601) both enter the hole, the top-sticking component (101) can provide radial supporting force to the drill rod (6), and the radial supporting force is directed away from the top-sticking component (101).

4. The drilling trolley propulsion beam capable of bending and drilling according to claim 1, characterized in that: The thickness of the inner plate (1011) is greater than the thickness of the outer plate (1012).

5. The drilling trolley propulsion beam capable of bending and drilling according to claim 1, characterized in that: The cross section of the long connecting plate (102) is arc-shaped, the inner diameter of the long connecting plate (102) is equal to the outer diameter of the drill rod (6), the central angle corresponding to the long connecting plate (102) is less than 180°, the inner surface of the long connecting plate (102) is provided with a long strip groove (1021), the length direction of the long strip groove (1021) is the same as the axial direction of the drill rod (6), and a deformation sensor (103) is provided in the long strip groove (1021), and the deformation sensor (103) can monitor the deformation of the long connecting plate (102).

6. The drilling trolley propulsion beam capable of bending drilling according to claim 1, characterized in that: The front and rear of the outer plate (1012) are both provided with plug welding through holes (1013), the long connecting plate (102) and the outer plate (1012) are stacked, the front end of the long connecting plate (102) is plug welded to the rear of the outer plate (1012), and the inner plate (1011) is plug welded to the outer plate (1012).

7. The drilling trolley propulsion beam capable of bending and drilling according to claim 1, characterized in that: The propulsion beam of the drilling trolley capable of bending and drilling also includes a beam arm (5), a slide rail (501) is provided on the beam arm (5), and the rock drill (4) is located on the slide rail (501). The bending drilling guide device also includes a support assembly (2), the support assembly (2) is connected to the rock drill (4) through a telescopic drive assembly (3), the support assembly (2) includes a support pipe (202), a support bottom plate (203) and a sliding plate (204) connected in sequence from top to bottom, and the deflection assembly (1) also includes a long connecting plate (102), the rear end of the long connecting plate (102) is connected to the support pipe (202), the support pipe (202) is sleeved outside the drill rod (6), and the sliding plate (204) is matched and connected to the slide rail (501).

8. The drilling trolley propulsion beam capable of bending drilling according to claim 7, characterized in that: The rock drill (4) comprises a base plate (401), the base plate (401) is matched and connected with a slide rail (501), the telescopic drive assembly (3) comprises a telescopic oil cylinder (302), the two ends of the telescopic oil cylinder (302) are respectively connected with the base plate (401) and the support bottom plate (203) through a pin shaft (301), a plug-in sheet (104) is provided at the rear end of the long connecting plate (102), a plug-in groove (2021) is provided at the front part of the support pipe (202), the plug-in sheet (104) is matched and plugged with the plug-in groove (2021), and a clamp (201) is provided on the outer sleeve of the support pipe (202), and the clamp (201) can connect and fix the plug-in sheet (104) and the support pipe (202).

9. A rock drilling rig, characterized in that: The drilling trolley includes the drilling trolley propulsion beam capable of bending and drilling as claimed in claim 1, and the drilling trolley also includes a walking mechanism.

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