Sliding platform braking structure and drill jumbo

Abstract

The utility model provides a sliding platform braking structure and a drill jumbo, and belongs to the technical field of tunnel construction equipment.The braking structure comprises a sliding rail, and a sliding platform is arranged on the sliding rail in a sliding fit mode; the first connecting rod is hinged to the outer side of the sliding platform; the second connecting rod is hinged to the inner side of the sliding platform; the driving part is arranged on the sliding platform and used for driving the first connecting rod and the second connecting rod to swing, so that the lower end parts of the first connecting rod and the second connecting rod are attached to the outer side and the inner side of the sliding rail respectively. The braking structure can effectively improve the stability of the sliding platform during operation; the drill jumbo has high operation quality.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of tunnel construction equipment, and particularly relates to a sliding platform braking structure and a rock drilling jumbo. BACKGROUND

[0002] In the tunnel construction process, a rock drilling jumbo is used for rock drilling and boring. In order to make the construction operation cover a larger range as possible and effectively improve the operation efficiency, the working device needs to be moved on the frame. Since rock drilling and boring operations need to be performed in various directions during operation, the sliding platform carrying the working device will also bear impact reaction forces in various directions. In order to make rock drilling and boring more accurate and stable, the sliding platform needs to be braked and fixed to ensure that the operation is more stable and the construction quality is higher during rock drilling and boring. Meanwhile, the fixation requirement for the sliding platform is higher in the application of tunnel construction with large slopes, and therefore a more effective braking structure is needed to solve the problem. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above problems of the prior art, the application provides a sliding platform braking structure and a rock drilling jumbo. The braking structure can effectively improve the stability of the sliding platform during operation. The rock drilling jumbo has high operation quality.

[0004] In order to achieve the above purpose, the application adopts the following technology:

[0005] A sliding platform braking structure comprises:

[0006] A slide rail, on which the sliding platform is slidingly fitted;

[0007] A first connecting rod, which is hingedly connected to the outer side of the sliding platform;

[0008] A second connecting rod, which is hingedly connected to the inner side of the sliding platform;

[0009] A driving part, which is arranged on the sliding platform and is used to drive the first connecting rod and the second connecting rod to swing, so that the lower end portions of the first connecting rod and the second connecting rod are respectively abutted on the outer side and the inner side of the slide rail.

[0010] Further, the driving part comprises a first linear mechanism arranged above the sliding platform and a second linear mechanism arranged below the sliding platform. The two ends of the first linear mechanism are respectively hingedly connected to the upper end portions of the first connecting rod, and the two ends of the second linear mechanism are respectively hingedly connected to the upper end portions of the second connecting rod.

[0011] Further, the slide rail comprises a pair of parallel guide strips. Sliding grooves are arranged on the two guide strips along the length direction of the guide strips, and the two sliding grooves are oppositely arranged. The braking blocks at the lower end portions of the first connecting rod are respectively used to enter the corresponding sliding grooves and abut against the upper end portions of the sliding grooves. The second connecting rod is located between the two guide strips, and the braking blocks at the lower end portions of the second connecting rod are respectively used to abut against the opposite sides of the two guide strips.

[0012] Further, the first connecting rod lower end portion brake block is opposite to the gravity direction of the sliding platform, and the second connecting rod lower end portion brake block is perpendicular to the gravity direction of the sliding platform.

[0013] Further, the first connecting rod and the second connecting rod are both arranged in an L shape, the vertical parts of the two first connecting rods are hinged to the first linear mechanism and the sliding platform, and the horizontal parts of the two first connecting rods are both directed to the corresponding sliding grooves; the vertical parts of the two second connecting rods are hinged to the second linear mechanism and the sliding platform, and the horizontal parts of the two second connecting rods are both directed to the opposite sides of the two guide strips.

[0014] Further, the sliding platform is provided with first mounting brackets on both sides, and the first connecting rod is hingedly arranged on the corresponding first mounting bracket; the sliding platform is provided with two groups of second mounting brackets at the bottom, and the second connecting rod is hingedly arranged on the corresponding second mounting bracket.

[0015] A drill jumbo comprises the sliding platform brake structure, a slide rail is arranged on a frame of the drill jumbo and along a length direction of the drill jumbo, and a drill boom seat is arranged on the sliding platform and used for arranging a drill boom.

[0016] The utility model has the advantages of:

[0017] 1. The first connecting rod and the second connecting rod jointly act on the slide rail, multi-angle press the slide rail and increase the brake area, effectively brake and fix the sliding platform, improve the stability of the sliding platform and the stability during construction operation, and further improve the construction quality.

[0018] 2. The first connecting rod and the second connecting rod are arranged inside and outside, which is beneficial to force balance of the slide rail, further reduces deformation of the slide rail, and effectively avoids accidents such as derailment.

[0019] 3. The first connecting rod, the second connecting rod and the driving part are reasonably arranged, the structure is compact, especially the second connecting rod fully utilizes the internal space of the sliding platform, realizes stable braking and fixing, does not affect arrangement of other structures of the drill jumbo, optimizes the structure of the drill jumbo, and makes the whole vehicle length smaller, so as to improve the passability of the drill jumbo. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the installation schematic view of the sliding platform of the embodiment of the application.

[0021] Figure 2 is the structural schematic view of the first connecting rod and the second connecting rod of the embodiment of the application.

[0022] Figure 3 is the side view of the sliding platform of the embodiment of the application.

[0023] Figure 4 is a structural schematic diagram of a rock drilling jumbo according to an embodiment of the present application.

[0024] The reference signs: 1-slideway, 11-guide strip, 12-sliding groove, 2-sliding platform, 21-first mounting bracket, 22-second mounting bracket, 23-third mounting bracket, 24-pulley, 3-first connecting rod, 31-connecting rod, 4-second connecting rod, 5-driving part, 51-first linear mechanism, 52-second linear mechanism, 6-brake block, 7-drill arm base. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the embodiments of the present application will be described in detail below with reference to the drawings, but the embodiments described in the present application are only some of the embodiments of the present application, not all the embodiments.

[0026] Embodiment 1

[0027] The embodiment of the present application provides a sliding platform brake structure, as shown in Figures 1-2 The embodiment of the present application provides a sliding platform brake structure, as shown in

[0028] The sliding platform 2 is slidably fitted on the slideway 1; the number of the first connecting rods 3 is two pairs and they are respectively hinged on both sides of the sliding platform 2, and the lower end of the first connecting rod 3 is located at the bottom of the sliding platform 2; the number of the second connecting rods 4 is two pairs and they are hinged on the inner side of the bottom of the sliding platform 2; the driving part 5 includes the first linear mechanism 51 arranged above the sliding platform 2 and the second linear mechanism 52 arranged below the sliding platform 2, and the two ends of the first linear mechanism 51 are respectively hinged to the upper end of the first connecting rod 3, and the two ends of the second linear mechanism 52 are respectively hinged to the upper end of the second connecting rod 4; correspondingly, the hinged axes of the first connecting rod 3, the first linear mechanism 51 and the sliding platform 2 are all arranged towards the length direction of the slideway 1; the hinged axes of the second connecting rod 4, the second linear mechanism 52 and the sliding platform 2 are all arranged towards the length direction of the slideway 1, so as to avoid the stroke interference of the first linear mechanism 51 and the first connecting rod 3 and the second linear mechanism 52 and the second connecting rod 4; when the first linear mechanism 51 is stretched or contracted, the lower end of the first connecting rod 3 can make the folding or separating movement with the first linear mechanism 51, so as to realize the abutting against the outer side of the slideway 1; when the second linear mechanism 52 is contracted or stretched, the lower end of the second connecting rod 4 can make the separating or folding movement with the second linear mechanism 52, so as to realize the abutting against the inner side of the slideway 1.

[0029] In application, as shown in Figure 2As shown, the sliding platform 2 moves along the slide rail 1, when the sliding platform 2 is in the appropriate position, the first linear mechanism 51 is stretched, the second linear mechanism 52 is contracted, so that the first connecting rod 3 is attached to the outer side of the slide rail 1, and the second connecting rod 4 is attached to the inner side of the slide rail 1, thereby achieving the braking of the sliding platform 2 through the friction between the first connecting rod 3, the second connecting rod 4 and the slide rail 1, the first linear mechanism 51 continues to maintain the stretched state, and the second linear mechanism 52 continues to maintain the contracted state, so as to fix the sliding platform 2. Through the cooperation of the first linear mechanism 51, the first connecting rod 3 and the second linear mechanism 52 and the second connecting rod 4, the sliding platform 2 can be braked and the braking area can be increased at multiple angles, which can effectively brake and fix the sliding platform 2, improve the stability of the sliding platform 2 during construction, and further improve the construction quality; at the same time, the first connecting rod 3 and the second connecting rod 4 are arranged inside and outside, which is beneficial to the stress balance of the slide rail 1, thereby reducing the deformation of the slide rail 1, and accidents such as derailment can be effectively avoided; the second connecting rod 4 and the second linear mechanism 52 are arranged, which fully utilizes the internal space of the sliding platform 2, and the structure is compact, which is convenient for assembly and maintenance.

[0030] Specifically, as shown in Figure 2 in order to adapt the stroke of the first linear mechanism 51 to the stroke of the first connecting rod 3, a connecting rod 31 can be coaxially connected to the movable end of the first linear mechanism 51, and one end of the connecting rod 31 is hinged to the first connecting rod 3.

[0031] Preferably, the first linear mechanism 51 and the second linear mechanism 52 can adopt a hydraulic cylinder to ensure that the first connecting rod 3 and the second connecting rod 4 have a larger and more stable braking torque with the slide rail 1. In addition to the hydraulic cylinder, the first linear mechanism 51 and the second linear mechanism 52 can also adopt other driving modes such as pneumatic rods, electric rods, etc.

[0032] Specifically, as shown in Figure 1 and Figure 2 the first installation bracket 21 is arranged on the both sides of the sliding platform 2, and the first connecting rod 3 is hingedly arranged on the corresponding first installation bracket 21; the sliding platform 2 is provided with two groups of second installation brackets 22 at the bottom, and the second connecting rod 4 is hingedly arranged on the corresponding second installation bracket 22, through the arrangement of the first installation bracket 21 and the second installation bracket 22, the assembly and disassembly process of the first connecting rod 3 and the second connecting rod 4 is simplified, and maintenance thereof is facilitated.

[0033] Embodiment 2

[0034] As a further embodiment of the above-mentioned embodiment 1, as shown in Figure 1 and Figure 2As shown, the slide rail 1 comprises a pair of parallel guide bars 11, each of which is provided with a sliding groove 12 along the length direction, and the sliding grooves 12 are oppositely arranged; the lower ends of the first connecting rods 3 and the second connecting rods 4 are provided with brake blocks 6; the lower ends of the first connecting rods 3 are respectively directed to the corresponding sliding grooves 12, when the first linear mechanism 51 is stretched, the brake blocks 6 of the lower ends of the first connecting rods 3 enter the corresponding sliding grooves 12 and tightly press the upper ends of the sliding grooves 12, and the pressing direction is opposite to the gravity direction of the sliding platform 2; the second connecting rods 4 are located between the guide bars 11, and the lower ends of the second connecting rods 4 are respectively directed to the opposite sides of the guide bars 11, when the second linear mechanism 52 is contracted, the brake blocks 6 of the lower ends of the second connecting rods 4 are respectively tightly pressed on the opposite sides of the guide bars 11, and the pressing direction is perpendicular to the gravity direction of the sliding platform 2.

[0035] The pressure applied by the brake blocks 6 of the lower ends of the first connecting rods 3 on the upper ends of the sliding grooves 12 and the gravity of the sliding platform 2 form a pair of forces, which can effectively limit the up-and-down jumping of the sliding platform 2, thereby improving the stability and precision of the operation, and the pressing direction of the brake blocks 6 of the lower ends of the second connecting rods 4 is perpendicular to the gravity direction of the sliding platform 2, which can effectively limit the left-and-right translation of the sliding platform 2, ensure multi-angle pressing, and further improve the fixing effect of the sliding platform 2 and the stability of the operation.

[0036] Specifically, as shown in Figure 1 and Figure 2 , the first connecting rods 3 and the second connecting rods 4 are both arranged in an L shape, the vertical parts of the first connecting rods 3 are hinged with the first linear mechanism 51 and the sliding platform 2, and the horizontal parts of the first connecting rods 3 are directed to the corresponding sliding grooves 12; the vertical parts of the second connecting rods 4 are hinged with the second linear mechanism 52 and the sliding platform 2, and the horizontal parts of the second connecting rods 4 are respectively directed to the opposite sides of the guide bars 11.

[0037] Specifically, as shown in Figures 1-3 , the second connecting rods 4 have two groups and are respectively located at the two ends of the sliding platform 2. The first connecting rods 3 and the two groups of second connecting rods 4 are used at the same time, which can further increase the brake area, make the brake force uniformly distributed, reduce the deformation of the slide rail 1, effectively improve the braking and fixing effect of the sliding platform 2 during driving, and further improve the stability of the operation of the sliding platform 2.

[0038] Specifically, as shown in Figure 1 , the sliding platform 2 is provided with third mounting brackets 23 on the two sides, the third mounting brackets 23 are provided with pulleys 24, and the pulleys 24 are slidingly fitted in the corresponding sliding grooves 12. Through the cooperation of the pulleys 24 and the sliding grooves 12, the sliding of the sliding platform 2 can be facilitated and the deformation of the slide rail 1 can be effectively reduced.

[0039] Embodiment 3

[0040] The embodiment of the present application provides a rock drilling jumbo, as shown in Figures 1-4As shown, the sliding platform brake structure comprises a sliding rail 1 arranged along the length direction of the drill carriage frame, a drill arm seat 7 arranged on the sliding platform 2, and a drill arm arranged on the drill arm seat 7. The sliding platform 2 drives the drill arm seat 7 to move along the sliding rail 1, which can effectively increase the operation range of the drill carriage and improve the operation efficiency. The first connecting rod 3, the second connecting rod 4 and the driving part 5 are arranged reasonably and compactly. In particular, the second connecting rod 4 fully utilizes the internal space of the sliding platform 2, and does not affect the arrangement of other structures of the drill carriage under the condition of realizing stable braking and fixing, thereby optimizing the structure of the drill carriage and making the whole vehicle length smaller. Meanwhile, the brake structure can effectively brake and fix the sliding platform 2, so as to ensure more stable operation during rock drilling, and make the drill carriage operation more accurate and stable, thereby having higher construction quality.

[0041] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application.

Claims

1. A braking structure for a sliding platform, characterized in that, include: The slide rail (1) and the sliding platform (2) are slidably fitted on the slide rail (1); The first link (3) is hinged to the outside of the sliding platform (2); The second link (4) is hinged to the inside of the sliding platform (2); The drive unit (5) is located on the sliding platform (2) and is used to drive the first link (3) and the second link (4) to swing, so that the lower ends of the first link (3) and the second link (4) are respectively attached to the outer and inner sides of the slide rail (1).

2. The braking structure for a sliding platform according to claim 1, characterized in that, The drive unit (5) includes a first linear mechanism (51) located above the sliding platform (2) and a second linear mechanism (52) located below the sliding platform (2). The two ends of the first linear mechanism (51) are respectively hinged to the upper end of the first connecting rod (3), and the two ends of the second linear mechanism (52) are respectively hinged to the upper end of the second connecting rod (4).

3. The braking structure for a sliding platform according to claim 2, characterized in that, Brake blocks (6) are provided at the lower ends of the first link (3) and the second link (4).

4. The braking structure for a sliding platform according to claim 3, characterized in that, The slide rail (1) includes a pair of parallel guide bars (11), each of which has a sliding groove (12) along its length, and the two sliding grooves (12) are arranged facing each other; the brake block (6) at the lower end of the first connecting rod (3) is used to enter the corresponding sliding groove (12) and press against the upper end of the sliding groove (12); the second connecting rod (4) is located between the two guide bars (11), and the brake block (6) at its lower end is used to press against the opposite side of the two guide bars (11).

5. The braking structure for a sliding platform according to claim 4, characterized in that, The pressing direction of the brake block (6) at the lower end of the first link (3) is opposite to the gravity direction of the sliding platform (2), and the pressing direction of the brake block (6) at the lower end of the second link (4) is perpendicular to the gravity direction of the sliding platform (2).

6. The braking structure for a sliding platform according to claim 5, characterized in that, Both the first link (3) and the second link (4) are L-shaped. The vertical parts of the two first links (3) are hinged to the first linear mechanism (51) and the sliding platform (2), and the horizontal parts of the two first links (3) face the corresponding sliding groove (12). The vertical parts of the two second links (4) are hinged to the second linear mechanism (52) and the sliding platform (2), and the horizontal parts of the two second links (4) face the opposite side of the two guide bars (11).

7. A braking structure for a sliding platform according to any one of claims 1-6, characterized in that, The second link (4) has two sets and is located at both ends of the sliding platform (2).

8. The braking structure for a sliding platform according to claim 2, characterized in that, The sliding platform (2) is provided with first mounting brackets (21) on both sides, and the first connecting rod (3) is hinged on the corresponding first mounting bracket (21); the bottom of the sliding platform (2) is provided with two sets of second mounting brackets (22), and the second connecting rod (4) is hinged on the corresponding second mounting bracket (22).

9. The braking structure for a sliding platform according to claim 4, characterized in that, The sliding platform (2) is provided with a third mounting bracket (23) on both sides, and a pulley (24) is provided on it. The pulley (24) slides in the corresponding sliding groove (12).

10. A rock drilling rig, characterized in that, The sliding platform braking structure includes any one of claims 1 to 9, wherein the slide rail (1) is provided on the rock drilling rig frame and arranged along the length direction of the rock drilling rig, and the sliding platform (2) is provided with a drill arm seat (7) for setting the drill arm.

Images