Feeding oil cylinder protection structure of hydraulic underground drill rig

Abstract

The utility model discloses a feeding oil cylinder protection structure of a hydraulic underground drill rig, which relates to the technical field of hydraulic underground drill rigs and is characterized by comprising a slide way, a mounting plate arranged on the slide way in a sliding manner and used for mounting a power head, and a feeding oil cylinder arranged on the slide way, an oil cylinder sleeve movably connected with the feeding oil cylinder in a sleeving mode is arranged at the lower end of the mounting plate, and a protective grating located above the feeding oil cylinder is arranged between the two sides of the oil cylinder sleeve and the inner side wall of the sliding way. The protective grating is composed of a plurality of sets of intercept rods arranged at intervals and movable units arranged between the intercept rods. According to the scheme, the protective grating capable of being movably folded is arranged above the feeding oil cylinder, so that the protective grating can be folded and unfolded along with the front-back movement of the power head, and then the situation that the power head or a water braid falls onto the feeding oil cylinder and is damaged when the power head or the drill bit water braid is disassembled can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic tunnel drilling machines, in particular to a feed oil cylinder protection structure of a hydraulic tunnel drilling machine. Background Art

[0002] The hydraulic tunnel drilling rig is a kind of mechanical equipment specially used for drilling operations in underground tunnels. It drives the power head to perform drilling work through the oil cylinder set on the slide. During use, when removing the water braid at the tail of the drill rod or installing and disassembling the power head, the water braid or the power head will usually fall and hit the feed cylinder. Over time, it will cause the cylinder to deform or break. When the feed cylinder of the drilling rig is seriously damaged, the sealing ring of the cylinder will be loose, resulting in hydraulic oil leakage, which will eventually lead to the weakening of the drilling rig's power output.

[0003] In view of this, a design or technical improvement is now proposed to solve the above problems.

[0004] The above contents are only used to assist in understanding the technical solution of the present utility model, and do not constitute an admission that the above contents are the closest prior art. Utility Model Content

[0005] The purpose of the utility model is to solve the above-mentioned shortcomings and provide a feeding cylinder protection structure of a hydraulic tunnel drilling rig.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A feed oil cylinder protection structure of a hydraulic tunnel drilling rig comprises a slideway, a mounting plate slidably arranged on the slideway for mounting a power head, and a feed oil cylinder arranged on the slideway, wherein a cylinder sleeve movably sleeved with the feed oil cylinder is arranged at the lower end of the mounting plate, and a protection grille located above the feed oil cylinder is arranged between the two sides of the cylinder sleeve and the inner side wall of the slideway;

[0008] The protection grille is composed of a plurality of groups of interception bars with intervals and movable units arranged between the interception bars.

[0009] Furthermore, the intercepting rod includes fixed rods located at the outermost sides and respectively used to be fixed to the slideway and the cylinder sleeve, and movable rods arranged between the fixed rods and capable of relative movement.

[0010] Furthermore, the fixed rod and the movable rod are both provided with a receiving groove on the same side, and the movable unit includes a fixed axis rod arranged in the receiving groove, a movable connecting rod rotatably arranged on the fixed axis rod, and a sliding axis rod arranged at one end of the movable connecting rod away from the fixed axis rod.

[0011] Furthermore, the fixed rod, the movable rod and the accommodating groove are all provided with movable grooves on the opposite side thereof, and the upper and lower walls of the movable grooves are provided with limiting sliding grooves, and the two ends of the sliding shaft rod are clamped in the limiting sliding grooves for sliding.

[0012] Furthermore, a side wall of the accommodating groove is also provided with an inclined surface.

[0013] Compared with the prior art, the beneficial effect of the present invention is that a movable and foldable protective grille is provided above the feed cylinder so that it can be folded and unfolded following the forward and backward movement of the power head, thereby preventing the power head or the drill bit water braid from falling onto the feed cylinder and causing damage when the power head or the drill bit water braid is disassembled.

[0014] This solution can also provide a temporary placement platform for the disassembled structure by setting up a protective grille, thereby improving the convenience of work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the inner side of the slideway in the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the protective grille in the utility model;

[0019] Figure 4 It is a schematic diagram of the disassembly of the structure between the intercepting rod and the movable unit in the utility model;

[0020] Figure 5 It is a three-dimensional schematic diagram of the fixing rod in the utility model;

[0021] Figure 6 It is a three-dimensional schematic diagram of the movable rod in the utility model.

[0022] In the figure: 1, slide; 11, mounting plate; 12, power head; 13, feed cylinder; 2, cylinder sleeve; 21, protection grille; 22, intercepting rod; 23, movable unit; 3, fixed rod; 31, movable rod; 32, accommodating groove; 33, movable groove; 34, limit slide groove; 35, inclined plane; 4, fixed axis rod; 41, movable connecting rod; 42, sliding axis rod. DETAILED DESCRIPTION

[0023] The following will be combined with 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. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] like Figure 1-6 The feed cylinder protection structure of a hydraulic tunnel drilling rig shown in the figure includes a slide 1, a mounting plate 11 slidably arranged on the slide 1 for installing a power head 12, and a feed cylinder 13 arranged on the slide 1, a cylinder sleeve 2 movably connected to the feed cylinder 13 is arranged at the lower end of the mounting plate 11, and a protection grille 21 located above the feed cylinder 13 is arranged between the two sides of the cylinder sleeve 2 and the inner side wall of the slide 1; the protection grille 21 is composed of a plurality of groups of intercepting rods 22 with intervals and movable units 23 arranged between the intercepting rods 22, and the intercepting rods 22 are connected by the movable units 23 to ensure that they can move relatively, so that the overall formed protection grille 21 has the function of movable folding, and then when the feed cylinder 13 drives the power head 12 to move forward and backward, the protection grille 21 located on the front and rear sides of the power head 12 can follow the movement of the power head 12 to realize the corresponding folding and stretching and unfolding state changes, and make it always located above the feed cylinder 13 to form a guard, thereby protecting the feed cylinder 13.

[0025] In one embodiment, the intercepting rod 22 includes a fixed rod 3 located at the outermost side and used to be fixed to the slide 1 and the cylinder sleeve 2 respectively, and a movable rod 31 arranged between the fixed rods 3 and relatively movable. The fixed rod 3 and the movable rod 31 are both provided with a receiving groove 32 on the same side. The movable unit 23 includes a fixed axis rod 4 arranged in the receiving groove 32, a movable connecting rod 41 rotatably arranged on the fixed axis rod 4, and a sliding axis rod 42 arranged on the end of the movable connecting rod 41 away from the fixed axis rod 4. The fixed rod 3, the movable rod 31 and the receiving groove 32 are all provided with a movable groove 33 on the opposite side. The upper and lower walls of the movable groove 33 are provided with limited sliding grooves 34. The two ends of the sliding axis rod 42 are clamped in the limited sliding grooves 34 and slide. When the power head 12 moves forward and backward, it drives the fixed rod 3 to move forward and backward through the cylinder sleeve 2 at the lower end, and then pulls the movable rod 31 to move relatively through the movable connecting rod 41, so that it can achieve corresponding relative approach and distance activities, thereby achieving the folding and unfolding effect of the protection grille 21.

[0026] In one embodiment, a side wall of the accommodating groove 32 is further provided with an inclined surface 35. When the movable connecting rod 41 is rotated to a vertical angle with the movable rod 31, the movable rods 31 will be supported by the force of the movable connecting rod 41 along the rod body and cannot be close to each other at a relative distance. Furthermore, through the setting of the inclined surface 35, the protective grille 21 will not stretch the movable connecting rod 41 to a state vertical to the movable rod 31 during the unfolding operation, thereby facilitating the relative movement between the movable rods 31, so that the protective grille 21 can always follow the movement of the power head 12 to shrink and fold without getting stuck.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A feed cylinder protection structure for a hydraulic tunnel drilling rig, comprising a slideway (1), a mounting plate (11) slidably disposed on the slideway (1) for mounting a power head (12), and a feed cylinder (13) disposed on the slideway (1), characterized in that: The lower end of the mounting plate (11) is provided with a cylinder sleeve (2) movably connected to the feed cylinder (13), and a protective grille (21) located above the feed cylinder (13) is provided between the two sides of the cylinder sleeve (2) and the inner wall of the slideway (1); The protective grille (21) is composed of a plurality of groups of intercepting bars (22) with intervals and movable units (23) arranged between the intercepting bars (22).

2. The feed cylinder protection structure of the hydraulic tunnel drilling rig according to claim 1 is characterized in that: The intercepting rod (22) comprises a fixing rod (3) located at the outermost side and used for fixing the slideway (1) and the cylinder sleeve (2) respectively, and a movable rod (31) arranged between the fixing rods (3) and capable of relatively moving.

3. The feed cylinder protection structure of the hydraulic tunnel drilling rig according to claim 2 is characterized in that: The fixed rod (3) and the movable rod (31) are both provided with a receiving groove (32) on the same side, and the movable unit (23) comprises a fixed axis rod (4) arranged in the receiving groove (32), a movable connecting rod (41) rotatably arranged on the fixed axis rod (4), and a sliding axis rod (42) arranged at one end of the movable connecting rod (41) away from the fixed axis rod (4).

4. The feed cylinder protection structure of the hydraulic tunnel drilling rig according to claim 3 is characterized in that: The fixed rod (3), the movable rod (31) and the accommodating groove (32) are all provided with movable grooves (33) on the opposite sides thereof, and the upper and lower walls of the movable grooves (33) are provided with limit sliding grooves (34), and the two ends of the sliding shaft rod (42) are clamped in the limit sliding grooves (34) to slide.

5. The feed cylinder protection structure of the hydraulic tunnel drilling rig according to claim 3 is characterized in that: A side wall of the accommodating groove (32) is also provided with an inclined surface (35).

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