Walking mechanism and large portal crane

Abstract

The utility model relates to the technical field of portal cranes, in particular to a traveling mechanism and a large-scale portal crane, the traveling mechanism comprises a track, a moving seat is connected outside the track in a sliding mode, two limiting grooves are formed in the left side and the right side of the moving seat respectively, limiting blocks are inserted into the limiting grooves, and the limiting blocks are connected with the moving seat in a sliding mode. The bottom end of the limiting block is fixedly connected with a connecting block, the bottom end of the connecting block is fixedly connected with a mounting block, the mounting block is sleeved with a cleaning brush, and the exterior of the cleaning brush is attached to the interior of the rail; the cleaning brush has the beneficial effects that the cleaning brush is arranged on the mounting block in a sleeving manner, and the limiting block at the top end of the mounting block is inserted into the limiting groove, so that the cleaning brush is relatively convenient to mount and dismount, bolts are not needed in the process, the replacement process is simple and convenient, and the replacement efficiency of the cleaning brush is relatively high; and therefore, the normal use progress of the walking mechanism is not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry cranes, in particular to a traveling mechanism and a large gantry crane. Background Art

[0002] Gantry crane is a variation of bridge crane, also called gantry crane, which is mainly used for loading and unloading operations in outdoor cargo yards, material yards and bulk cargo. Gantry crane has the characteristics of high site utilization, large operating range, wide adaptability and strong versatility. It is widely used in port cargo yards. Existing gantry cranes are generally used with traveling mechanisms.

[0003] In order to ensure the stability of travel, the walking mechanism in the prior art generally installs cleaning brushes on both sides of the contact point between the roller on the moving seat and the track. When the moving seat moves, it can drive the cleaning brush to clean the track, so that stones and other debris inside the track will not affect the normal use of the roller on the moving seat, thereby making the travel more stable.

[0004] However, after long-term use, the surface of the cleaning brush in the prior art will be worn, so a screwdriver is needed to remove the bolts installed inside it. Since the brush is close to the track, the bolts cannot be conveniently turned, which makes the replacement efficiency of the brush low, thereby affecting the normal use progress of the walking mechanism. Utility Model Content

[0005] The purpose of the utility model is to provide a traveling mechanism and a large gantry crane to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a walking mechanism, including a track, the outside of the track is slidably connected to a moving seat, two limit grooves are provided on the left and right sides of the moving seat, the limit grooves are internally inserted with limit blocks, the bottom end of the limit block is fixedly connected to a connecting block, the bottom end of the connecting block is fixedly connected to a mounting block, the outside of the mounting block is sleeved with a cleaning brush, and the outside of the cleaning brush fits with the inside of the track.

[0007] Preferably, the limit block is provided with card slots on both the front and rear sides thereof, and two placement slots are provided on the inside of the limit block, and the separated sides of the left and right limit blocks are rotatably connected with rotating shafts, and the front and rear sides of the rotating shafts are fixedly connected with pull ropes, and a spring is provided on the outside of the pull rope, and the other end of the pull rope is fixedly connected with a placement block, and the end of the placement block away from the spring is fixedly connected with a card block.

[0008] Preferably, two connecting grooves are provided inside the outer periphery of the mounting block, a plurality of slots are provided on the inner wall of the connecting groove, two connecting strips are fixedly connected to the inner side of the cleaning brush, a plurality of plug-in blocks are fixedly connected to the side of the connecting strip away from the card block, and a sealing ring is fixedly connected to the outside of the plug-in block.

[0009] Preferably, the pull rope is slidably connected inside the placement groove, and the placement block is slidably connected inside the placement groove.

[0010] Preferably, one end of the spring is fixedly connected to the inner wall of the placement groove, and the other end of the spring is fixedly connected to an end of the placement block away from the clamping block.

[0011] Preferably, the card slot is communicated with the placement slot, and the card block is engaged with the card slot.

[0012] Preferably, the outside of the connecting strip is engaged with the inside of the connecting groove, the plug block is inserted into the inside of the slot, and the outside of the sealing ring is slidably connected to the inside of the slot.

[0013] Preferably, a groove is provided inside the sealing ring, and the sealing ring fits in the groove.

[0014] A large gantry crane comprises a traveling mechanism.

[0015] Compared with the prior art, the beneficial effects of the traveling mechanism and large gantry crane proposed by the utility model are: by arranging the cleaning brush sleeve on the mounting block and inserting the limit block at the top of the mounting block into the limit groove, the installation and disassembly of the cleaning brush is more convenient, and this process does not require the use of bolts, thereby making the replacement process simple and convenient, thereby increasing the efficiency of replacing the cleaning brush and will not affect the normal use progress of the traveling mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a schematic diagram of the structure of the mobile seat of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the limit block of the utility model;

[0019] Figure 4 For this utility model Figure 3 Structural cross-section at AA in the middle;

[0020] Figure 5 For this utility model Figure 4 Enlarged view of point A in the middle;

[0021] Figure 6 For this utility model Figure 3 Structural cross-section at the middle BB;

[0022] Figure 7 For this utility model Figure 6 Enlarged view of point B in the middle;

[0023] Figure 8 It is a schematic diagram of the structure of the cleaning brush of the utility model.

[0024] In the figure: 1. track; 2. moving seat; 3. limiting groove; 4. limiting block; 5. connecting block; 6. mounting block; 7. cleaning brush; 8. placement groove; 9. rotating shaft; 10. pull rope; 11. spring; 12. placement block;

[0025] 13. Card slot; 14. Card block; 15. Connecting strip; 16. Insert block; 17. Sealing ring; 18. Slot; 19. Connecting slot. DETAILED DESCRIPTION

[0026] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1

[0028] See also Figure 1-Figure 8 The utility model provides a technical solution: a walking mechanism, including a track 1, a moving seat 2 is slidably connected to the outside of the track 1, and the moving seat 2 is used to provide moving conditions for the track 1. Two limit grooves 3 are provided on the left and right sides of the moving seat 2. The limit blocks 4 are inserted into the limit grooves 3, so that the limit blocks 4 can be conveniently installed in the inside of the moving seat 2 and the limit blocks 4 can be conveniently disassembled. The bottom end of the limit block 4 is fixedly connected with a connecting block 5, and the bottom end of the connecting block 5 is fixedly connected with a mounting block 6. The connecting block 5 is used to connect the limit block 4 and the mounting block 6. The mounting block 6 is a rubber block, which can be deformed after being squeezed, and then can do a reset movement. The outside of the mounting block 6 is provided with a cleaning brush 7, so that the cleaning brush 7 can be conveniently installed on the mounting block 6, and the outside of the cleaning brush 7 is in contact with the inside of the track 1, so that the cleaning brush 7 can clean the traveling direction of the moving seat 2.

[0029] When the cleaning brush 7 needs to be replaced, the limiting block 4 is pulled out from the limiting groove 3, so that the connecting block 5 and the mounting block 6 are disengaged from the movable seat 2, and the cleaning brush 7 is taken out from the outside of the mounting block 6, so that the cleaning brush 7 can be conveniently disassembled, and then the above steps are reversed, so that the cleaning brush 7 and the limiting block 4 can be conveniently installed. This process does not require the use of bolts, so that the replacement process is simple and convenient, thereby having a high replacement efficiency for the cleaning brush 7, and will not affect the normal use progress of the walking mechanism. At this time, the mounting block 6 can be squeezed and deformed by the track 1, and then can perform a reset movement, so that the mounting block 6 can push the cleaning brush 7 to fit closely with the track 1, so that the cleaning brush 7 has a better cleaning effect on the track 1.

[0030] Embodiment 2

[0031] On the basis of the first embodiment, in order to facilitate the disassembly of the limit block 4 and to ensure a more stable installation, a card slot 13 is provided on both the front and rear sides of the limit block 4, and two placement slots 8 are provided inside the limit block 4. The separated sides of the left and right limit blocks 4 are rotatably connected with a rotating shaft 9. The limit block 4 limits the rotating shaft 9, so that the rotating shaft 9 can rotate stably. The front and rear sides of the rotating shaft 9 are fixedly connected with a pull rope 10, and the pull rope 10 is slidably connected to the inside of the placement slot 8. The placement slot 8 limits the pull rope 10, so that the pull rope 10 will not deviate when moving, and the pull rope 10 The outer sleeve is provided with a spring 11, and the other end of the pull rope 10 is fixedly connected to a placement block 12, and the placement block 12 is slidably connected to the inside of the placement groove 8. The placement groove 8 is used to limit the placement block 12 so that the placement block 12 can slide stably, and the end of the placement block 12 away from the spring 11 is fixedly connected to a clamping block 14, one end of the spring 11 is fixedly connected to the inner wall of the placement groove 8, and the other end of the spring 11 is fixedly connected to the end of the placement block 12 away from the clamping block 14, and the clamping slot 13 is connected to the placement groove 8, so that the clamping block 14 can slide inside the placement groove 8 and the clamping slot 13, and the clamping block 14 is clamped with the clamping slot 13.

[0032] When the limit block 4 needs to be disassembled, the shaft 9 is rotated so that the shaft 9 can wrap the pull rope 10 around its outside, so that the pull rope 10 can pull the slot 13 to squeeze the spring 11, so that the spring 11 can drive the block 14 to disengage from the inside of the slot 13. At this time, the limit block 4 is no longer restricted, so that it can disengage from the inside of the limit slot 3. Conversely, the limit block 4 is slid into the inside of the limit slot 3 to release the shaft 9, so that the spring 11 can perform a reset movement, so that the spring 11 can push the placement block 12 to move outward, so that the placement block 12 can push the block 14 to engage with the inside of the slot 13, so that the limit block 4 is installed more stably.

[0033] Embodiment 3

[0034] On the basis of the second embodiment, in order to realize the convenient replacement of the cleaning brush 7 and make the installation more stable, two connecting grooves 19 are provided inside the outer periphery of the mounting block 6, and a plurality of slots 18 are provided on the inner wall of the connecting groove 19. Two connecting strips 15 are fixedly connected to the inner side of the cleaning brush 7, and the outer side of the connecting strip 15 is engaged with the inner side of the connecting groove 19, so that the installation of the cleaning brush 7 is relatively stable. A plurality of plug-in blocks 16 are fixedly connected to the side of the connecting strip 15 away from the card block 14, and the plug-in blocks 16 are inserted into the inner side of the slot 18, so that the installation of the cleaning brush 7 is more stable. A sealing ring 17 is fixedly connected to the outer side of the plug-in block 16, and the outer side of the sealing ring 17 is slidably connected to the inner side of the slot 18, so that the slot 18 can squeeze the sealing ring 17 to deform, and a groove is provided inside the sealing ring 17, and the sealing ring 17 fits with the groove, so that the friction between the plug-in block 16 and the slot 18 is increased, so that the plug-in block 16 will not easily detach from the inner side of the slot 18, so that the installation of the cleaning brush 7 is more stable.

[0035] When it is necessary to install the cleaning brush 7, the cleaning brush 7 is sleeved on the outside of the mounting block 6, and the connecting strip 15 is engaged with the inside of the connecting groove 19, so that the plug block 16 is inserted into the inside of the slot 18. During this process, the sealing ring 17 is squeezed and deformed by the slot 18. When the plug block 16 is engaged with the slot 18, the sealing ring 17 is reset, so that the sealing ring 17 can fit with the groove inside the slot 18, thereby increasing the friction between the plug block 16 and the slot 18, so that the plug block 16 and the slot 18 are more stably engaged, and the cleaning brush 7 is installed more stably. When the cleaning brush 7 needs to be disassembled, the cleaning brush 7 can be conveniently disassembled by reversing the above steps.

[0036] Embodiment 4

[0037] A large gantry crane comprises a traveling mechanism.

[0038] In actual use, first, the cleaning brush 7 is sleeved on the outside of the mounting block 6, and the connecting strip 15 is engaged with the inside of the connecting groove 19, so that the plug block 16 is inserted into the inside of the slot 18. In this process, the sealing ring 17 is squeezed and deformed by the slot 18. When the plug block 16 is engaged with the slot 18, the sealing ring 17 is reset, so that the sealing ring 17 can fit with the groove inside the slot 18, thereby increasing the friction between the plug block 16 and the slot 18, thereby making the plug block 16 and the slot 18 more stably engaged, thereby making the installation of the cleaning brush 7 more stable, and then the rotating shaft 9 is rotated so that the rotating shaft 9 can wrap the pull rope 10 around its outside, so that the pull rope 10 can pull the slot 13 to squeeze the spring 11, so that the spring 11 can drive the block 14 to enter the inside of the placement slot 8, thereby sliding the limit block 4 into the limit The inside of the groove 3 is moved, and the rotating shaft 9 is loosened, so that the spring 11 can make a reset movement, so that the spring 11 can push the placement block 12 to move outward, and the placement block 12 can push the card block 14 to engage with the inside of the card slot 13, so that the limit block 4 is installed more stably, and the cleaning brush 7 can stably clean the inside of the track 1. When the above steps are reversed, the cleaning brush 7 and the limit block 4 can be conveniently installed. This process does not require the use of bolts, so that the replacement process is simple and convenient, so that the replacement efficiency of the cleaning brush 7 is high, and the normal use progress of the walking mechanism is not affected. At this time, the mounting block 6 is squeezed and deformed by the track 1, and then it can make a reset movement, so that the mounting block 6 can push the cleaning brush 7 to fit closely with the track 1, so that the cleaning brush 7 has a better cleaning effect on the track 1.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A walking mechanism, comprising a track (1), wherein the outer portion of the track (1) is slidably connected to a moving seat (2), characterized in that: Two limit grooves (3) are provided on both left and right sides of the movable seat (2); a limit block (4) is inserted into the limit groove (3); a connecting block (5) is fixedly connected to the bottom end of the limit block (4); a mounting block (6) is fixedly connected to the bottom end of the connecting block (5); a cleaning brush (7) is sleeved on the outside of the mounting block (6); and the outside of the cleaning brush (7) is in contact with the inside of the track (1).

2. A walking mechanism according to claim 1, characterized in that: The limit block (4) is provided with a clamping groove (13) on both the front and rear sides thereof, and two placement grooves (8) are provided on the inside of the limit block (4). The left and right limit blocks (4) are rotatably connected to the inner sides of the separated sides thereof with a rotating shaft (9), and the front and rear sides of the rotating shaft (9) are fixedly connected to a pull rope (10), and a spring (11) is sleeved on the outside of the pull rope (10), and the other end of the pull rope (10) is fixedly connected to a placement block (12), and the end of the placement block (12) away from the spring (11) is fixedly connected to a clamping block (14).

3. A walking mechanism according to claim 2, characterized in that: Two connection grooves (19) are provided inside the outer periphery of the mounting block (6), and a plurality of slots (18) are provided on the inner wall of the connection groove (19). Two connection strips (15) are fixedly connected to the inner side of the cleaning brush (7), and a plurality of plug-in blocks (16) are fixedly connected to the side of the connection strip (15) away from the clamping block (14), and a sealing ring (17) is fixedly connected to the outside of the plug-in block (16).

4. A walking mechanism according to claim 2, characterized in that: The pull rope (10) is slidably connected inside the placement groove (8), and the placement block (12) is slidably connected inside the placement groove (8).

5. A walking mechanism according to claim 2, characterized in that: One end of the spring (11) is fixedly connected to the inner wall of the placement groove (8), and the other end of the spring (11) is fixedly connected to an end of the placement block (12) away from the clamping block (14).

6. A walking mechanism according to claim 2, characterized in that: The card slot (13) is communicated with the placement slot (8), and the card block (14) is engaged with the card slot (13).

7. A walking mechanism according to claim 3, characterized in that: The outside of the connecting strip (15) is engaged with the inside of the connecting groove (19), the insert block (16) is inserted into the inside of the slot (18), and the outside of the sealing ring (17) is slidably connected with the inside of the slot (18).

8. A walking mechanism according to claim 3, characterized in that: A groove is provided inside the sealing ring (17), and the sealing ring (17) fits in the groove.

9. A large gantry crane, characterized in that: It comprises the walking mechanism described in any one of claims 1 to 8.

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