Portal frame type unit support carrying mechanism

Abstract

The portal frame type unit support carrying mechanism comprises an outer portal frame and an inner portal frame, the outer portal frame is used for being connected with a conveyor body, and a hoisting assembly used for driving the inner portal frame to ascend and descend is arranged on the outer portal frame; the transverse door frame is connected with the inner door frame; the cantilever is installed on the transverse portal frame, and a horizontal moving assembly used for driving the cantilever to move left and right in the horizontal direction is arranged on the transverse portal frame; and the pallet fork is connected with the cantilever through a mounting seat, the cantilever is provided with a swing driving piece used for driving the mounting seat to swing horizontally, and the pallet fork is parallel to the ground. The portal structure is adopted, the pallet forks can move up and down, left and right and do linear motion, position errors generated by arc motion during swinging are avoided, operation is simpler and more convenient, the placement position is more accurate, and the working efficiency is improved; and the pallet forks parallel to the ground are more convenient for stably putting down the unit bracket.

Description

Technical Field

[0001] The present application relates to the technical field of mining handling equipment, and in particular to a gantry-type unit bracket handling mechanism. Background Art

[0002] Most of the existing unit support transporters are cantilever type. Because the cantilever is too long and the structure is relatively bulky, it is not easy to control when transporting the support, and it is also difficult to fine-tune the position when placing the support.

[0003] When transporting, the boom needs to move in a circle, and when the unit bracket is arranged longitudinally parallel to the lane direction, the position is difficult to control. When the boom is raised, the fork plane will form a certain angle with the ground, causing the unit bracket to be placed unevenly and unstable. Utility Model Content

[0004] To this end, the present application provides a gantry-type unit bracket transport mechanism to solve the problem in the prior art that the position of the unit bracket is difficult to control and the placement is unstable when the transport vehicle transports the unit bracket.

[0005] In order to achieve the above objectives, this application provides the following technical solutions:

[0006] A gantry type unit bracket transport mechanism, comprising

[0007] An outer mast and an inner mast, wherein the outer mast is used to connect to the conveyor body, and the outer mast is provided with a lifting assembly for driving the inner mast to rise and fall;

[0008] A transverse door frame connected to the inner door frame;

[0009] A cantilever arm is mounted on the transverse gantry, and the transverse gantry is provided with a horizontal moving assembly for driving the cantilever arm to move left and right in a horizontal direction;

[0010] The cargo fork is connected to the cantilever through a mounting seat. The cantilever is provided with a swing driving member for driving the mounting seat to swing horizontally, and the cargo fork is parallel to the ground.

[0011] Optionally, the lifting assembly includes a lifting chain, a lifting cylinder and a lifting shaft, the lifting shaft is horizontally installed on the inner mast, one end of the lifting chain is fixedly connected to the transverse mast, and the other end is fixedly connected to the outer mast after passing around the lifting shaft from above, one end of the lifting cylinder is installed on the outer mast, and the other end is installed on the inner mast, and the lifting cylinder is vertically arranged to drive the inner mast to lift and lower.

[0012] Further optionally, the lifting shaft is rotatably connected to the inner mast.

[0013] Optionally, the horizontal movement assembly includes a transverse chain and a transverse cylinder, and the transverse cylinder is horizontally installed on the transverse gantry; the piston rod of the transverse cylinder is connected to the transverse gantry, two connecting rods are installed on the cylinder body of the transverse cylinder, and each connecting rod is coaxially provided with a sprocket, the two connecting rods are arranged along the moving direction of the transverse cylinder, the transverse chain is wound around the two sprockets, one side of the transverse chain is fixed to the transverse gantry, and the other side is fixed to the cantilever.

[0014] Further optionally, a clamping wheel is rotatably connected to the cantilever, and the axis of the clamping wheel is vertical; a clamping slot for the clamping wheel to be clamped into is horizontally opened on the transverse door frame, and the peripheral wall of the clamping wheel contacts the side wall of the clamping slot, and the clamping wheel can move left and right in the clamping slot.

[0015] Further optionally, the clamping wheels are provided in two groups and are respectively located at the upper and lower ends of the cantilever, and the clamping slots are correspondingly provided in two groups.

[0016] Further optionally, a roller is rotatably connected to the cantilever, and the axis of the roller is horizontal; a guide groove for inserting the roller is opened on the transverse door frame, and the top wall and the bottom wall of the guide groove can contact the peripheral wall of the roller, and the roller can roll left and right in the guide groove.

[0017] Optionally, the swing driving member is a rotating cylinder installed between the cantilever and the mounting seat, and the axis of the rotating cylinder is vertical.

[0018] Optionally, the cantilever includes a rectangular seat at the top and a triangular seat at the bottom, and the triangular seat is fixed to the bottom of the rectangular seat.

[0019] Optionally, the outer door frame is provided with a plurality of connection seats for connecting with the conveyor body.

[0020] Compared with the prior art, this application has at least the following beneficial effects:

[0021] 1. First, under the cooperation of the lifting assembly and the horizontal moving assembly, the fork can make linear motion in the vertical and horizontal directions respectively. With the swing drive component driving the fork to swing horizontally and the conveyor body to move forward and backward, the placement position of the control unit bracket can be fine-tuned more conveniently, and the unit bracket can be arranged at any position in the lane;

[0022] Secondly, the forks are arranged parallel to the ground and remain parallel to the ground during the movement, so that the unit bracket can be placed more stably and steadily when it is lowered.

[0023] 2. Through the cooperation of the clamping wheel and the clamping slot, the friction between the cantilever and the horizontal door frame when it moves left and right is reduced, thereby reducing wear.

[0024] 3. The setting of the triangular seat can reduce the overall weight of the cantilever on the one hand, and on the other hand will not affect the overall strength of the cantilever, which helps to reduce the energy consumption of the handling mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more intuitively illustrate the prior art and the present application, exemplary drawings are given below. It should be understood that the specific shapes and structures shown in the drawings should not generally be regarded as limiting conditions for implementing the present application; for example, those skilled in the art are capable of easily making conventional adjustments or further optimizations to the addition / reduction / attribution division, specific shapes, positional relationships, connection methods, dimensional ratios, etc. of certain units (components) based on the technical concepts and exemplary drawings disclosed in the present application.

[0026] Figure 1 A schematic diagram of the overall structure of a gantry-type unit bracket transport mechanism provided in an embodiment of the present application;

[0027] Figure 2 It is a side view in the embodiment of the present application;

[0028] Figure 3 This is a side view of an embodiment of the present application, showing two extreme positions of the lifting of the lateral gantry;

[0029] Figure 4 This is a cross-sectional view of an embodiment of the present application, which is intended to illustrate the connection relationship between the transverse door frame and the inner door frame;

[0030] Figure 5 This is a top view of an embodiment of the present application, showing two extreme positions of left and right movement of the suspension;

[0031] Figure 6 This is a top view of an embodiment of the present application, showing the two extreme positions of the left and right swing of the fork.

[0032] Description of reference numerals:

[0033] 1. Outer mast; 2. Inner mast; 3. Horizontal mast; 4. Fork; 5. Mounting seat; 6. Connecting seat; 7. Lifting chain; 8. Lifting cylinder; 9. Lifting shaft; 10. Extension platform; 11. Shaft; 12. Slide; 13. Rotating wheel; 14. Horizontal chain; 15. Horizontal cylinder; 16. Operating slot; 17. Sprocket; 18. Clamping wheel; 19. Clamping slot; 20. Roller; 21. Guide slot; 22. Rotating cylinder; 23. Cantilever. DETAILED DESCRIPTION

[0034] The present application is further described below in detail through specific embodiments in conjunction with the accompanying drawings.

[0035] In the description of this application: unless otherwise specified, the meaning of "plurality" is two or more. The terms "first", "second", "third", etc. in this application are intended to distinguish the objects referred to, and do not have special meanings in terms of technical connotations (for example, they should not be understood as emphasizing the importance or order, etc.). Expressions such as "including", "comprising", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

[0036] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this application are usually used to indicate the general relative position relationship for the purpose of intuitive understanding by referring to the drawings, and are not absolute limitations on the position relationship in the actual product.

[0037] A gantry type unit bracket handling mechanism, referring to Figure 1 , including an outer mast 1, an inner mast 2, a transverse mast 3 and a fork 4. The inner mast 2 and the outer mast 1 are both vertically erected rectangular frame structures, and the inner mast 2 can be inserted into the outer mast 1. The outer mast 1 is used to connect the conveyor body and play the role of supporting the entire handling mechanism, and the outer mast 1 is provided with a lifting assembly for driving the inner mast 2 to rise and fall, so as to achieve the purpose of saving labor costs when operating the transport unit bracket. The transverse mast 3 is a horizontally placed rectangular frame structure, and the transverse mast 3 is connected to the inner mast 2 to rise and fall with the inner mast 2. The cantilever 23 is installed on the transverse mast 3, and the transverse mast 3 is provided with a horizontal moving assembly for driving the cantilever 23 to move left and right in the horizontal direction. There are two forks 4, the forks 4 are parallel to the ground, and the two forks 4 are fixed in parallel on the mounting seat 5, and connected to the cantilever 23 through the mounting seat 5. The cantilever 23 is provided with a swing driving member for driving the mounting seat 5 to swing horizontally.

[0038] Specifically, the cantilever 23 includes a rectangular seat at the top and a triangular seat at the bottom, and the triangular seat is fixed to the bottom of the rectangular seat. The arrangement of the triangular seat can reduce the overall mass of the cantilever 23 while not affecting the overall strength of the cantilever 23.

[0039] In addition, the outer door frame 1 is also provided with a plurality of connection seats 6 for connecting with the conveyor body, so as to facilitate the transfer of the transport mechanism by the conveyor body.

[0040] Reference Figure 2 and Figure 3The lifting assembly includes a lifting chain 7, a lifting cylinder 8 and a lifting shaft 9. The lifting shaft 9 is horizontally installed near the top of the inner mast 2, and the lifting shaft 9 is rotatably connected to the inner mast 2 so that the lifting shaft 9 can rotate freely along its own axis. An extension platform 10 is provided downwardly at the top of the rear side of the outer mast 1. One end of the lifting chain 7 is fixedly connected to the transverse mast 3 by bolts, and the other end is fixedly connected to the extension platform 10 after passing the lifting shaft 9 from the top to the back. The fixed end of the lifting cylinder 8 is installed at the bottom of the rear side of the outer mast 1, and the movable end is connected to the top of the inner mast 2. The lifting cylinder 8 is vertically arranged to drive the inner mast 2 to rise and fall. Therefore, when the lifting cylinder 8 moves to drive the inner mast 2 to rise and fall, the lifting shaft 9 rises and falls, and at this time, the lifting shaft 9 is equivalent to a movable pulley. When the end of the lifting chain 7 connected to the extension platform 10 remains stationary, the lifting chain 7 rises and falls with the lifting shaft 9, and the end connected to the transverse mast 3, that is, the transverse mast 3 can be driven to rise and fall. And due to the characteristics of the movable pulley, the lifting distance of the transverse mast 3 is twice that of the inner mast 2. Such a structure increases the lifting range of the transverse mast 3 and the fork 4 under the condition that the telescopic range of the lifting cylinder 8 is certain.

[0041] In the present application, in order to reduce the load-bearing capacity of a single lifting chain 7, two groups of lifting chains 7 and lifting shafts 9 are provided correspondingly, the two lifting shafts 9 are coaxially arranged separately, and the two lifting chains 7 are arranged in parallel in the left and right directions to jointly drive the horizontal gantry 3 to rise and fall. Furthermore, two lifting cylinders 8 can also be provided, which are respectively provided on the outsides of the two lifting chains 7.

[0042] Reference Figure 1 and Figure 4 In order to improve the stability of the horizontal door frame 3 when it is lifted and lowered, a shaft 11 is extended backward on the left and right sides of the rear side of the horizontal door frame 3, and the outer side of each shaft 11 can be coaxially rotatably connected to a rotating wheel 13. A sliding groove 12 is vertically opened on the inner wall of both sides of the inner door frame 2, and the rotating wheel 13 can be inserted into the sliding groove 12 and the peripheral wall of the rotating wheel 13 can contact the side wall of the sliding groove 12, so that the rotating wheel 13 can roll up and down with the lifting and lowering of the horizontal door frame 3, reducing friction.

[0043] Reference Figure 1 and Figure 5The horizontal moving assembly includes a transverse chain 14 and a transverse cylinder 15. An operating slot 16 is provided in the middle of the front side of the transverse gantry 3, and the transverse cylinder 15 is horizontally installed in the operating slot 16. The transverse cylinder 15 uses a two-way telescopic cylinder, and the two piston rods of the transverse cylinder 15 are respectively fixed to the left and right side walls of the operating slot 16. Two vertically arranged connecting rods are fixed on the cylinder body peripheral wall in the middle of the transverse cylinder 15. On this basis, a sprocket 17 is coaxially arranged on each connecting rod, and the sprocket 17 can rotate freely on the connecting rod. The two connecting rods are arranged along the moving direction of the transverse cylinder 15, and the transverse chain 14 is wound around the two sprockets 17. In order to keep the transverse chain 14 able to drive the cantilever 23 to move left and right, the middle part of the transverse chain 14 close to the rear side is fixed to the rear side wall of the operating slot 16 by bolts, and the front part is fixed to the cantilever 23 by bolts. With this structural setting, the two sprockets 17 also act as movable pulleys. When the transverse cylinder 15 moves left and right, the front side of the transverse chain 14 moves twice the distance of the transverse cylinder 15, and drives the cantilever 23 and the fork 4 to move left and right. Such a structure can expand the left and right movement range of the fork 4 while keeping the specifications of the transverse cylinder 15 unchanged.

[0044] Specifically, the upper and lower ends of the rear side of the cantilever 23 are rotatably connected with a clamping wheel 18, and the axis of the clamping wheel 18 is arranged vertically. The upper and lower side walls of the transverse gantry 3 are horizontally provided with a clamping groove 19 for the clamping wheel 18 to be clamped in. When the cantilever 23 moves left and right, the clamping wheel 18 can roll left and right in the clamping groove 19. In this way, the friction between the cantilever 23 and the transverse gantry 3 can be reduced while ensuring a stable connection between the two.

[0045] Furthermore, two groups of rollers 20 are rotatably connected to the rear side of the cantilever 23, and the axes of the two groups of rollers 20 are horizontal and respectively located at the upper and lower sides of the connection position between the cantilever 23 and the transverse chain 14. Two guide grooves 21 for the rollers 20 to be inserted are correspondingly provided on the transverse gantry 3. After the rollers 20 are inserted into the guide grooves 21, the top wall and the bottom wall of the guide grooves 21 can contact the peripheral wall of the rollers 20, so that when the cantilever 23 moves left and right, the rollers 20 can roll left and right in the guide grooves 21.

[0046] Reference Figure 1 and Figure 6 In this embodiment, the swing drive member is a rotary cylinder 22. The axis of the rotary cylinder 22 is vertical, the movable end of the rotary cylinder 22 is installed on the side of the cantilever 23 away from the transverse gantry 3 (i.e., the front end of the cantilever 23), and the fixed end is connected to the mounting seat 5. Therefore, when the rotary cylinder 22 is working, it can drive the mounting seat 5 to swing left and right in the horizontal direction. Specifically, the swing range of the mounting seat 5 is 180°.

[0047] The implementation principle of the embodiment of the present application is as follows: the lifting cylinder 8 drives the inner mast 2 to rise and fall, and under the action of the lifting shaft rod 9, the lifting chain 7 drives the transverse mast 3 to rise and fall. When the transverse cylinder 15 moves left and right, the sprocket 17 drives the transverse chain 14 to roll, thereby driving the cantilever 23 to move left and right. Driven by the rotating cylinder 22, the mounting seat 5 can drive the fork 4 to swing left and right. The three cooperate with each other, and with the movement of the conveyor body, the unit bracket can be moved to any position in the lane and the unit bracket can be stably placed.

[0048] The technical features of the above embodiments may be arbitrarily combined (as long as there is no contradiction in the combination of these technical features). To make the description concise, not all possible combinations of the technical features in the above embodiments are described; these embodiments that are not explicitly written should also be considered to be within the scope of this specification.

Claims

1. A gantry type unit bracket transport mechanism, characterized in that: include An outer mast (1) and an inner mast (2), wherein the outer mast (1) is used to connect to a conveyor body, and a lifting assembly is provided on the outer mast (1) for driving the inner mast (2) to rise and fall; A transverse door frame (3) connected to the inner door frame (2); A cantilever (23) is mounted on the transverse gantry (3), and a horizontal moving component is provided on the transverse gantry (3) for driving the cantilever (23) to move left and right in a horizontal direction; The cargo fork (4) is connected to the cantilever (23) via a mounting seat (5); the cantilever (23) is provided with a swing driving member for driving the mounting seat (5) to swing horizontally, and the cargo fork (4) is parallel to the ground.

2. The gantry type unit bracket transport mechanism according to claim 1, characterized in that: The lifting assembly comprises a lifting chain (7), a lifting cylinder (8) and a lifting shaft (9); the lifting shaft (9) is horizontally mounted on the inner mast (2); one end of the lifting chain (7) is fixedly connected to the transverse mast (3); the other end of the lifting chain (7) passes around the lifting shaft (9) from above and is fixedly connected to the outer mast (1); one end of the lifting cylinder (8) is mounted on the outer mast (1) and the other end is mounted on the inner mast (2); the lifting cylinder (8) is vertically arranged to drive the inner mast (2) to rise and fall.

3. The gantry type unit support transport mechanism according to claim 2, characterized in that: The lifting shaft rod (9) is rotatably connected to the inner door frame (2).

4. The gantry type unit support transport mechanism according to claim 1, characterized in that: The horizontal movement assembly comprises a transverse chain (14) and a transverse cylinder (15), wherein the transverse cylinder (15) is horizontally mounted on the transverse gantry (3); a piston rod of the transverse cylinder (15) is connected to the transverse gantry (3), two connecting rods are mounted on the cylinder body of the transverse cylinder (15), and a sprocket (17) is coaxially arranged on each connecting rod, the two connecting rods are arranged along the moving direction of the transverse cylinder (15), the transverse chain (14) is wound around the two sprockets (17), one side of the transverse chain (14) is fixed to the transverse gantry (3), and the other side is fixed to the cantilever (23).

5. The gantry type unit support transport mechanism according to claim 4, characterized in that: The cantilever (23) is rotatably connected with a clamping wheel (18), the axis of which is vertical; the transverse door frame (3) is horizontally provided with a clamping groove (19) for the clamping wheel (18) to be clamped, the peripheral wall of the clamping wheel (18) is in contact with the side wall of the clamping groove (19), and the clamping wheel (18) can move left and right in the clamping groove (19).

6. The gantry type unit support transport mechanism according to claim 5, characterized in that: The clamping wheels (18) are provided in two groups and are respectively located at the upper and lower ends of the cantilever (23), and the clamping grooves (19) are correspondingly provided in two groups.

7. The gantry type unit support transport mechanism according to claim 4 or 5, characterized in that: The cantilever (23) is rotatably connected to a roller (20), and the axis of the roller (20) is horizontal; the transverse door frame (3) is provided with a guide groove (21) for the roller (20) to be inserted, and the top wall and the bottom wall of the guide groove (21) can both contact the peripheral wall of the roller (20), and the roller (20) can roll left and right in the guide groove (21).

8. The gantry type unit support transport mechanism according to claim 1, characterized in that: The swing driving member is a rotating oil cylinder (22) installed between the cantilever (23) and the mounting seat (5), and the axis of the rotating oil cylinder (22) is vertical.

9. The gantry type unit support transport mechanism according to claim 1, characterized in that: The cantilever (23) comprises a rectangular seat at the top and a triangular seat at the bottom, and the triangular seat is fixed at the bottom of the rectangular seat.

10. The gantry type unit support transport mechanism according to claim 1, characterized in that: The outer door frame (1) is provided with a plurality of connection seats (6) for connecting with a conveyor body.

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