Supporting leg telescopic guide mechanism of drill jumbo

Abstract

The utility model relates to the technical field of tunnel equipment, and discloses a supporting leg telescopic guide mechanism of a drill jumbo, which comprises a fixed supporting leg, an electric push rod is fixedly connected to the upper part of the fixed supporting leg, an installation sleeve is fixedly connected to the output end of the electric push rod, and an installation assembly is arranged on the upper part of the installation sleeve. A mounting plate is fixedly connected to the right side of the lower portion of the mounting sleeve, a connecting plate is arranged on the left side of the mounting plate, a mounting frame is fixedly connected to the upper portion of the connecting plate, and a movable supporting leg mechanism is arranged on the left side of the mounting frame. According to the supporting leg telescopic guide mechanism of the drill jumbo, through cooperation of the fixed supporting leg, the electric push rod, the mounting sleeve, the mounting plate, the connecting block, the first bolt, the mounting frame, the second bolt and the like, the supporting leg telescopic guide mechanism of the drill jumbo is simple in assembly process, free of complex cooperation, convenient to assemble and maintain and high in universality.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel equipment, in particular to a leg telescopic guiding mechanism of a rock drilling jumbo. Background Technique

[0002] A rock drilling jumbo is a heavy mechanical equipment used in fields such as mines, tunnel construction, and underground projects. Its main functions are drilling, rock drilling, and performing related underground operations. When the rock drilling jumbo is under construction, it is necessary to extend the legs of the rock drilling jumbo to the ground to ensure the stability of the multi-angle construction of the rock drilling jumbo. However, in the actual construction process, the space on the construction site is narrow, and the legs need to have a large working range.

[0003] In the prior art, for a leg structure with a large working range, its own volume is large, which is extremely inconvenient to work in a narrow roadway or tunnel, and the assembly process is complex, which is not convenient for assembly and maintenance, and the versatility is general. Therefore, a leg telescopic guiding mechanism for a rock drilling jumbo is needed. Content of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a leg telescopic guiding mechanism of a rock drilling jumbo, aiming to improve the problems in the prior art that the leg structure has a large self-volume, is extremely inconvenient to work in a narrow roadway or tunnel, has a complex assembly process, is not convenient for assembly and maintenance, and has general versatility.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: A leg telescopic guiding mechanism of a rock drilling jumbo includes a fixed leg, an electric push rod is fixedly connected to the upper part of the fixed leg, an installation sleeve is fixedly connected to the output end of the electric push rod, an installation component is arranged on the upper part of the installation sleeve for installing the leg telescopic guiding mechanism, an installation plate is fixedly connected to the lower right side of the installation sleeve, a connecting plate is arranged on the left side of the installation plate, an installation frame is fixedly connected to the upper part of the connecting plate, and a movable leg mechanism is arranged on the left side of the installation frame.

[0006] As a further description of the above technical scheme:

[0007] The movable leg mechanism includes a three-stage telescopic leg, the three-stage telescopic leg is fixedly connected to the left side of the installation frame, a two-stage telescopic leg is slidably connected to the outside of the three-stage telescopic leg, a first cavity is opened in the three-stage telescopic leg, a second cavity is opened in the two-stage telescopic leg, a driving component is arranged in the middle of the first cavity for driving the leg to expand and contract, and a guiding component is arranged at the left bottom of the first cavity for guiding the leg to expand and contract.

[0008] As a further description of the above technical scheme:

[0009] The installation component includes a connection block which is fixedly connected to the upper part of the installation sleeve. Four bolts are evenly threadedly connected around the upper part of the connection block, and bolts are threadedly connected to the front and back of the right side of the installation plate.

[0010] As a further description of the above technical solution:

[0011] The guiding component includes a first mounting block which is fixedly connected to the left side of the bottom of the second cavity. A connecting shaft is slidably connected inside the first mounting block, and a second mounting block is slidably connected to the outer side of the end of the connecting shaft that disengages from the first mounting block.

[0012] As a further description of the above technical solution:

[0013] The driving component includes an oil cylinder which is fixedly connected to the inside of the secondary telescopic leg. One end of the oil cylinder is fixedly connected to a second pin shaft, and the other end of the oil cylinder is fixedly connected to a first pin shaft.

[0014] As a further description of the above technical solution:

[0015] The second pin shaft is fixedly connected to the right side of the first cavity, and the first pin shaft is connected to the rock drilling jumbo.

[0016] As a further description of the above technical solution:

[0017] The first mounting block is connected to the second mounting block through the connecting shaft, and the second mounting block is fixedly connected to the inside of the first cavity.

[0018] As a further description of the above technical solution:

[0019] The connection block is fixedly connected to the mounting frame through the first bolt, and the installation plate is fixedly connected to the connecting plate through the second bolt.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, by pushing the fixed leg, the fixed leg drives the electric push rod to move, the electric push rod drives the installation sleeve to move, the installation sleeve drives the installation plate and the connection block to move, then rotate the first bolt to connect the mounting frame and the connection block, and finally rotate the second bolt to connect the installation plate and the connecting plate, realizing that the assembly process of the leg telescopic guiding mechanism of the rock drilling jumbo is simple, without complex fitting, convenient for assembly and maintenance, and has strong versatility.

[0022] 2. In the present utility model, by controlling the start of the electric push rod, the electric push rod operates to push the mounting sleeve. The mounting sleeve drives the connecting block to move, the connecting block drives the mounting bracket to move, the mounting bracket drives the three-stage telescopic support leg to move. Finally, by controlling the start of the oil cylinder, the operation drives the second pin to move. The second pin drives the three-stage telescopic support leg to slide inside the second-stage telescopic support leg. The three-stage telescopic support leg drives the mounting bracket to move, the mounting bracket drives the mounting sleeve to move, the mounting sleeve drives the electric push rod to move, and the electric push rod drives the fixed support leg to move, realizing that the leg telescopic guiding mechanism of the rock drilling jumbo is compact in volume and has a wide leg adjustment range. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 FIG. is a perspective view of a leg telescopic guiding mechanism of a rock drilling jumbo proposed by the present utility model;

[0024] Figure 2 FIG. is an expanded sectional view of a leg telescopic guiding mechanism of a rock drilling jumbo proposed by the present utility model;

[0025] Figure 3 FIG. is a top view of a leg telescopic guiding mechanism of a rock drilling jumbo proposed by the present utility model.

[0026] LEGEND DESCRIPTION:

[0027] 1. Fixed support leg; 2. Movable leg mechanism; 201. Three-stage telescopic support leg; 202. Second-stage telescopic support leg; 203. First cavity; 204. Second cavity; 3. Oil cylinder; 4. Mounting block one; 5. First pin; 6. Second pin; 7. Connecting shaft; 8. Mounting block two; 9. Electric push rod; 10. Mounting sleeve; 11. Mounting plate; 12. Connecting block; 13. Mounting bracket; 14. Connecting plate; 15. Bolt one; 16. Bolt two. SPECIFIC EMBODIMENTS

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0029] Refer to Figures 1 - 3, an embodiment provided by the present utility model: a leg telescopic guiding mechanism of a rock drilling jumbo, including a fixed leg 1, an electric push rod 9 is fixedly connected to the upper part of the fixed leg 1, an output end of the electric push rod 9 is fixedly connected with an installation sleeve 10, an installation component is arranged on the upper part of the installation sleeve 10 for installing the leg telescopic guiding mechanism, a mounting plate 11 is fixedly connected to the lower right side of the installation sleeve 10, a connecting plate 14 is arranged on the left side of the mounting plate 11, a mounting frame 13 is fixedly connected to the upper part of the connecting plate 14, a movable leg mechanism 2 is arranged on the left side of the mounting frame 13, the movable leg mechanism 2 includes a three-stage telescopic leg 201, the three-stage telescopic leg 201 is fixedly connected to the left side of the mounting frame 13, a two-stage telescopic leg 202 is slidably connected to the outside of the three-stage telescopic leg 201, a first cavity 203 is opened inside the three-stage telescopic leg 201, a second cavity 204 is opened inside the two-stage telescopic leg 202, the installation component includes a connecting block 12, the connecting block 12 is fixedly connected to the upper part of the installation sleeve 10, four bolts 15 are evenly threadedly connected around the upper part of the connecting block 12, bolts 16 are threadedly connected to the front and rear of the right side of the mounting plate 11, the connecting block 12 is fixedly connected to the mounting frame 13 through the bolt 15, and the mounting plate 11 is fixedly connected to the connecting plate 14 through the bolt 16.

[0030] The three-stage telescopic leg 201 is limited by the second cavity 204, the installation sleeve 10 is supported by the electric push rod 9, the fixed leg 1 is pushed to drive the electric push rod 9 to move, the electric push rod 9 drives the installation sleeve 10 to move, the installation sleeve 10 drives the mounting plate 11 and the connecting block 12 to move, then the bolt 15 is rotated to connect the mounting frame 13 and the connecting block 12, and finally the bolt 16 is rotated to connect the mounting plate 11 and the connecting plate 14.

[0031] Refer to Figures 1 - 3 , a guiding component is arranged at the left side of the inner bottom of the first cavity 203 for guiding the leg telescopic movement, the guiding component includes a first mounting block 4, the first mounting block 4 is fixedly connected to the left side of the bottom of the second cavity 204, a connecting shaft 7 is slidably connected to the inner side of the first mounting block 4, the outer side of the end of the connecting shaft 7 disengaged from the first mounting block 4 is slidably connected with a second mounting block 8, the first mounting block 4 is connected to the second mounting block 8 through the connecting shaft 7, the second mounting block 8 is fixedly connected inside the first cavity 203, a driving component is arranged in the middle of the first cavity 203 for driving the leg telescopic movement, the driving component includes an oil cylinder 3, the oil cylinder 3 is fixedly connected to the inner side of the two-stage telescopic leg 202, one end of the oil cylinder 3 is fixedly connected with a second pin shaft 6, the other end of the oil cylinder 3 is fixedly connected with a first pin shaft 5, the second pin shaft 6 is fixedly connected to the right side of the first cavity 203, and the first pin shaft 5 is connected to the rock drilling jumbo.

[0032] The leg is guided by the cooperation of the first mounting block 4, the connecting shaft 7 and the second mounting block 8. By controlling the start-up oil cylinder 3, the operation drives the second pin shaft 6 to move. The second pin shaft 6 drives the third telescopic leg 201 to slide inside the second telescopic leg 202. The third telescopic leg 201 drives the second mounting block 8 to move, so that the second mounting block 8 slides outside the connecting shaft 7.

[0033] Working principle: When the legs of the rock drilling jumbo need to be installed, push the fixed leg 1 so that the fixed leg 1 drives the electric push rod 9 to move. The electric push rod 9 drives the mounting sleeve 10 to move. The mounting sleeve 10 drives the mounting plate 11 and the connecting block 12 to move. Then rotate the first bolt 15 to connect the mounting frame 13 and the connecting block 12. Finally, rotate the second bolt 16 to connect the mounting plate 11 and the connecting plate 14. In this way, the assembly process of the leg telescopic guiding mechanism of the rock drilling jumbo is simple, without complex cooperation, convenient for assembly and maintenance, and has strong versatility. When the legs of the rock drilling jumbo need to be adjusted, control the start-up of the electric push rod 9 to make the electric push rod 9 operate to push the mounting sleeve 10. The mounting sleeve 10 drives the connecting block 12 to move. The connecting block 12 drives the mounting frame 13 to move. The mounting frame 13 drives the third telescopic leg 201 to move. Finally, control the start-up oil cylinder 3 to make the operation drive the second pin shaft 6 to move. The second pin shaft 6 drives the third telescopic leg 201 to slide inside the second telescopic leg 202. The third telescopic leg 201 drives the mounting frame 13 to move. The mounting frame 13 drives the mounting sleeve 10 to move. The mounting sleeve 10 drives the electric push rod 9 to move. The electric push rod 9 drives the fixed leg 1 to move. In this way, the leg telescopic guiding mechanism of the rock drilling jumbo is compact in volume and has a wide range of leg adjustment.

[0034] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A leg telescopic guiding mechanism of a rock drilling jumbo, comprising a fixed leg (1), characterized in that: An electric push rod (9) is fixedly connected to the upper part of the fixed support leg (1). The output end of the electric push rod (9) is fixedly connected to a mounting sleeve (10). An installation component is arranged on the upper part of the mounting sleeve (10) for installing the leg telescopic guiding mechanism. A mounting plate (11) is fixedly connected to the lower right side of the mounting sleeve (10). A connecting plate (14) is arranged on the left side of the mounting plate (11). A mounting frame (13) is fixedly connected to the upper part of the connecting plate (14). A movable support leg mechanism (2) is arranged on the left side of the mounting frame (13).

2. The leg telescopic guiding mechanism of a rock drilling jumbo according to claim 1, characterized in that: The movable support leg mechanism (2) includes a three-stage telescopic support leg (201). The three-stage telescopic support leg (201) is fixedly connected to the left side of the mounting frame (13). A two-stage telescopic support leg (202) is slidably connected to the outside of the three-stage telescopic support leg (201). A first cavity (203) is formed inside the three-stage telescopic support leg (201). A second cavity (204) is formed inside the two-stage telescopic support leg (202). A driving component is arranged in the middle of the first cavity (203) for driving the telescoping of the support leg. A guiding component is arranged on the left side of the inner bottom of the first cavity (203) for guiding the telescoping of the support leg.

3. The leg telescopic guiding mechanism of a rock drilling jumbo according to claim 1, characterized in that: The installation component includes a connecting block (12). The connecting block (12) is fixedly connected to the upper part of the mounting sleeve (10). Four bolts one (15) are evenly threadedly connected around the upper part of the connecting block (12). Bolts two (16) are threadedly connected to the front and back of the right side of the mounting plate (11).

4. The leg telescopic guiding mechanism of a rock drilling jumbo according to claim 2, characterized in that: The guiding component includes a mounting block one (4). The mounting block one (4) is fixedly connected to the left side of the bottom of the second cavity (204). A connecting shaft (7) is slidably connected to the inside of the mounting block one (4). The outside of the end of the connecting shaft (7) that disengages from the mounting block one (4) is slidably connected to a mounting block two (8).

5. The leg telescopic guiding mechanism of a rock drilling jumbo according to claim 2, characterized in that: The driving component includes an oil cylinder (3). The oil cylinder (3) is fixedly connected to the inside of the two-stage telescopic support leg (202). A second pin shaft (6) is fixedly connected to one end of the oil cylinder (3). A first pin shaft (5) is fixedly connected to the other end of the oil cylinder (3).

6. The leg telescopic guiding mechanism of a rock drilling jumbo according to claim 5, characterized in that: The second pin shaft (6) is fixedly connected to the right side of the first cavity (203). The first pin shaft (5) is connected to the rock drilling jumbo.

7. The leg telescopic guiding mechanism of a rock drilling jumbo according to claim 4, characterized in that: The mounting block one (4) is connected to the mounting block two (8) through the connecting shaft (7). The mounting block two (8) is fixedly connected to the inside of the first cavity (203).

8. The leg telescopic guiding mechanism of a rock drilling jumbo according to claim 3, characterized in that: The connecting block (12) is fixedly connected to the mounting frame (13) through the bolt one (15). The mounting plate (11) is fixedly connected to the connecting plate (14) through the bolt two (16).

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