Crawler belt bearing wheel mounting structure for crawler crane

Abstract

The utility model discloses a crawler belt bearing wheel mounting structure for a crawler crane in the technical field of crawler belt bearing wheels, which comprises a cross beam, a guide wheel, a support cantilever and a bearing wheel, the support cantilever comprises a first fixing rod and a second fixing rod, a first positioning port is arranged at the lower part of the right side of the first fixing rod, and a second positioning port is arranged at the lower part of the right side of the second fixing rod; a mounting groove is formed in the lower portion of the right side of the cross beam, a protrusion is arranged on the inner wall of the left side of the mounting groove, a positioning groove is formed in the upper portion of the left side of the second fixing rod, and a first threaded hole is formed in the middle of the protrusion; a second threaded hole is formed in the lower portion of the left side in the mounting groove, a first through hole and a second through hole are formed in the upper portion of the second fixing rod, and a baffle moves downwards under the action of gravity and moves to the right ends of the first bolt and the second bolt to achieve the anti-loosening effect on the first bolt and the second bolt.

Description

TECHNICAL FIELD

[0001] The utility model relates to caterpillar belt crane load wheel technical field, concretely is caterpillar belt crane load wheel mounting structure for caterpillar belt crane. BACKGROUND

[0002] The caterpillar belt crane is such a large crane, and the working environment is generally relatively poor. The caterpillar belt crane load wheel chassis support structure needs to be replaced in time after being eroded for a long time to ensure the safe operation of the caterpillar belt crane. For example, the caterpillar belt crane load wheel (publication number: CN215285046U) disclosed in Chinese patent document increases the lubricating oil storage capacity of the load wheel to keep the load wheel lubricated for a long time. However, the load wheel does not have a quick installation or disassembly structure. The load wheel is damaged after working for a long time in a harsh environment and needs to be replaced in time.

[0003] Therefore, we propose a caterpillar belt crane load wheel mounting structure. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a caterpillar belt crane load wheel mounting structure to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a caterpillar belt crane load wheel mounting structure, comprising a cross beam, a guide wheel, a support cantilever and a load wheel. The support cantilever comprises a first fixed rod and a second fixed rod. A first positioning port is arranged at the lower right side of the first fixed rod. A second positioning port is arranged at the lower left side of the second fixed rod. An installation shaft is arranged in the first positioning port and the second positioning port. An installation groove is arranged at the lower right side of the cross beam. A protrusion is arranged on the inner wall of the left side of the installation groove. A positioning groove is arranged at the upper left side of the second fixed rod. A first threaded hole is arranged in the middle of the protrusion. A second threaded hole is arranged at the lower left side in the installation groove. A first through hole and a second through hole are arranged at the upper part of the second fixed rod. A first bolt is arranged in the first through hole. A second bolt is arranged in the second through hole. A sliding groove is arranged at the top of the installation groove. A through groove is arranged at the right side of the sliding groove. A guide groove is arranged at the left side of the sliding groove. A baffle is arranged in the sliding groove. A push rod is arranged at the top of the baffle.

[0006] Further, the first bolt is connected with the first threaded hole through the first through hole, and the second bolt is connected with the second threaded hole through the second through hole.

[0007] Further, the two ends of the push rod extend into the through groove and the guide groove, and the bottom right end of the push rod is arranged as an inclined surface.

[0008] Further, the load wheel is installed on the installation shaft, and a bearing is arranged between the load wheel and the installation shaft.

[0009] Further, the first fixed rod is fixedly installed at the bottom of the cross beam.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] 1. The positioning groove arranged at the upper portion of the second fixed rod is matched with the protrusion arranged in the mounting groove, the protrusion is mounted into the positioning groove, the first bolt is connected with the first threaded hole through the first through hole and is tightened, the second bolt is connected with the second threaded hole through the second through hole and is tightened, the second fixed rod is fixed, the protrusion is arranged, the contact area of the second fixed rod and the cross beam is increased, the fixing stability of the second fixed rod is increased, after the mounting and fixing of the second fixed rod are completed, the push rod is loosened, the baffle is moved downward under the gravity, the baffle is moved to the right end of the first bolt and the second bolt, and the baffle plays the anti-loosening role on the first bolt and the second bolt.

[0012] 2. The push rod is pushed upward to drive the baffle to move upward, the baffle is retracted into the sliding groove, the first bolt and the second bolt are disassembled, the first bolt and the second bolt are loosened to fix the second fixed rod, the second fixed rod is loosened to fix the mounting shaft, and the load bearing wheel is quickly disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a load bearing wheel mounting structure schematic view of the utility model;

[0015] Figure 3 It is a second fixed rod mounting structure schematic view of the utility model;

[0016] Figure 4 It is an enlarged view of A of the utility model.

[0017] In the drawing: 1, cross beam; 2, guide wheel; 3, support cantilever; 4, load bearing wheel; 5, first fixed rod; 6, second fixed rod; 61, positioning groove; 62, first through hole; 63, second through hole; 7, first positioning port; 8, second positioning port; 9, mounting shaft; 10, mounting groove; 11, protrusion; 12, first threaded hole; 13, second threaded hole; 14, first bolt; 15, second bolt; 16, sliding groove; 17, through groove; 18, guide groove; 19, baffle; 20, push rod. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figures 1-4The utility model provides a kind of technical scheme: a caterpillar crane is with caterpillar track bearing wheel mounting structure, including crossbeam 1, guide wheel 2, support cantilever 3 and bearing wheel 4, support cantilever 3 includes first fixed rod 5 and second fixed rod 6, first fixed rod 5 right side lower part is provided with first locating port 7, second fixed rod 6 left side lower part is provided with second locating port 8, first locating port 7 and second locating port 8 are provided with mounting shaft 9 in, crossbeam 1 right side lower part is provided with mounting groove 10, mounting groove 10 left side inner wall is provided with protrusion 11, second fixed rod 6 left side upper part is provided with locating groove 61, protrusion 11 middle part is provided with first threaded hole 12, mounting groove 10 left side lower part is provided with second threaded hole 13 in, second fixed rod 6 upper part is provided with first through-hole 62 and second through-hole 63, first through-hole 62 is provided with first bolt 14, second through-hole 63 is provided with second bolt 15, mounting groove 10 top is provided with sliding slot 16, sliding slot 16 right side is provided with through slot 17, sliding slot 16 left side is provided with guide slot 18, sliding slot 16 is provided with baffle 19, baffle 19 top is provided with push rod 20, the installation of bearing wheel 4 is carried out, by push rod 20 to push baffle 19 upwards, the left end of mounting shaft 9 is installed into first locating port 7, second fixed rod 6 is moved, so that the locating groove 61 of second fixed rod 6 upper part is matched with the protrusion 11 that mounting groove 10 is provided with, protrusion 11 is installed into locating groove 61, the right end of mounting shaft 9 is fixed by the second locating port 8 of second fixed rod 6 lower part, so that first bolt 14 passes through first through-hole 62 and is connected with first threaded hole 12, and first bolt 14 is tightened, second bolt 15 passes through second through-hole 63 and is connected with second threaded hole 13, and second bolt 15 is tightened, second fixed rod 6 is fixed, so that the installation of bearing wheel 4 is completed by second fixed rod 6, protrusion 11 is provided, increase the contact area of second fixed rod 6 and crossbeam 1, increase the fixed stability of second fixed rod 6, after second fixed rod 6 installation is fixed, push rod 20 is loosened, baffle 19 moves downward under gravity, baffle 19 moves to the right end of first bolt 14 and second bolt 15, baffle 19 plays the function of anti-loosening to first bolt 14 and second bolt 15, to further strengthen the fixation of second fixed rod 6 to bearing wheel 4, when bearing wheel 4 is disassembled, by pushing push rod 20 upwards and driving baffle 19 to move upwards, baffle 19 is retracted into sliding slot 16, first bolt 14 and second bolt 15 are disassembled, first bolt 14 and second bolt 15 are loosened to the fixation of second fixed rod 6, second fixed rod 6 is loosened to the fixation of mounting shaft 9, bearing wheel 4 is quickly disassembled.

[0020] Wherein, first bolt 14 passes through first through-hole 62 and is connected with first threaded hole 12, second bolt 15 passes through second through-hole 63 and is connected with second threaded hole 13, first bolt 14 and second bolt 15 are tightened to fix second fixed rod 6;

[0021] The push rod 20 extends to the through slot 17 and the guide slot 18 at both ends, and the bottom right end of the push rod 20 is provided as an inclined surface, which drives the baffle 19 to move upward by pushing the push rod 20 upward, and the inclined surface provided at the bottom right end of the push rod 20 makes the bottom of the push rod 20 have a larger spacing with the bottom of the through slot 17, so as to facilitate the lifting of the push rod 20 by using a tool;

[0022] The bearing wheel 4 is installed on the mounting shaft 9, and a bearing is arranged between the bearing wheel 4 and the mounting shaft 9;

[0023] The first fixed rod 5 is fixedly installed at the bottom of the cross beam 1, the first fixed rod 5 is fixed on the cross beam 1, and the second fixed rod 6 is fixed by the first bolt 14 and the second bolt 15, so as to facilitate the installation and disassembly of the bearing wheel 4.

[0024] Working principle: the positioning groove 61 arranged at the upper portion of the second fixed rod 6 is matched with the protrusion 11 arranged in the mounting groove 10, the protrusion 11 is installed into the positioning groove 61, the second positioning port 8 arranged at the lower portion of the second fixed rod 6 is fixedly installed at the right end of the mounting shaft 9, the first bolt 14 passes through the first through hole 62 and is connected with the first threaded hole 12, and the first bolt 14 is tightened, the second bolt 15 passes through the second through hole 63 and is connected with the second threaded hole 13, and the second bolt 15 is tightened, the second fixed rod 6 is fixed, thereby the second fixed rod 6 completes the installation and fixation of the bearing wheel 4, the protrusion 11 is arranged, the contact area of the second fixed rod 6 and the cross beam 1 is increased, and the fixation stability of the second fixed rod 6 is increased, after the installation and fixation of the second fixed rod 6 are completed, the push rod 20 is loosened, the baffle 19 moves downward under the gravity, the baffle 19 moves to the right end of the first bolt 14 and the second bolt 15, the baffle 19 plays a function of preventing the loosening of the first bolt 14 and the second bolt 15, thereby further strengthening the fixation of the second fixed rod 6 on the bearing wheel 4, when the bearing wheel 4 is disassembled, the baffle 19 is driven to move upward by pushing the push rod 20 upward, the baffle 19 is retracted into the sliding groove 16, the first bolt 14 and the second bolt 15 are disassembled, the first bolt 14 and the second bolt 15 are loosened to fix the second fixed rod 6, the second fixed rod 6 is loosened to fix the mounting shaft 9, and the bearing wheel 4 is quickly disassembled.

[0025] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A crawler crane track bearing wheel mounting structure comprising a crossbeam (1), a guide wheel (2), a support boom (3) and a bearing wheel (4), characterized in that: The support cantilever (3) comprises a first fixed rod (5) and a second fixed rod (6), the first fixed rod (5) is provided with a first positioning opening (7) at the lower right side, the second fixed rod (6) is provided with a second positioning opening (8) at the lower left side, the first positioning opening (7) and the second positioning opening (8) are provided with mounting shafts (9) inside, the cross beam (1) is provided with a mounting groove (10) at the lower right side, the left inner wall of the mounting groove (10) is provided with a protrusion (11), the second fixed rod (6) is provided with a positioning groove (61) at the upper left side, the protrusion (11) is provided with a first threaded hole (12) in the middle, the left lower part inside the mounting groove (10) is provided with a second threaded hole (13), the upper part of the second fixed rod (6) is provided with a first through hole (62) and a second through hole (63), the first through hole (62) is provided with a first bolt (14) inside, the second through hole (63) is provided with a second bolt (15) inside, the top of the mounting groove (10) is provided with a sliding groove (16), the right side of the sliding groove (16) is provided with a through groove (17), the left side of the sliding groove (16) is provided with a guide groove (18), the sliding groove (16) is provided with a baffle (19) inside, and the top of the baffle (19) is provided with a push rod (20).

2. The track roller mounting structure for a track crane according to claim 1, characterized by: The first bolt (14) is connected with the first threaded hole (12) through the first through hole (62), and the second bolt (15) is connected with the second threaded hole (13) through the second through hole (63).

3. The track roller mounting structure for a track crane according to claim 1, characterized by: The push rod (20) extends to the through groove (17) and the guide groove (18) at both ends, and the bottom right end of the push rod (20) is provided as an inclined surface.

4. The track roller mounting structure for a track crane according to claim 1, characterized by: The load wheel (4) is mounted on the mounting shaft (9), and a bearing is arranged between the load wheel (4) and the mounting shaft (9).

5. The track roller mounting structure for a track crane according to claim 1, characterized by: The first fixed rod (5) is fixedly installed at the bottom of the cross beam (1).

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