Rapid fixing device for maintenance of crawler belt of heading machine

Abstract

The utility model belongs to the technical field of track maintenance, and particularly relates to a rapid fixing device for maintenance of a heading machine track, which comprises a support, a rotating cylinder and a workbench are mounted on the support, the rotating cylinder is in driving connection with a centering clamping component, the centering clamping component comprises a rotating rod, and the rotating rod is mounted on a piston rod of the rotating cylinder. The two ends of the rotating rod are rotationally connected with connecting rods, the connecting rods are rotationally connected with two sliding blocks, the sliding blocks are installed on the guide rails in a sliding mode, the two-way clamping assembly is installed on the sliding blocks and comprises a fixing base, the fixing base is rotationally connected with a clamping plate through a pin shaft, an adjusting bolt is installed at the top of the clamping plate, and a supporting spring is installed between the clamping plate and the fixing base in a clamped mode. The centering clamping assembly is composed of a crank arm connecting rod and a linear guide rail and can be driven by a rotating air cylinder to drive the two bidirectional clamping assemblies to move in the opposite directions to conduct centering clamping on crawler belts with different widths. The bidirectional clamping assembly can stably clamp the crawler belts with different thicknesses in two directions at the same time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of track maintenance, and particularly relates to a quick fixing device for track maintenance of a heading machine. BACKGROUND

[0002] In the field of modern heading machine applications, the track, as an important component of the heading machine, not only bears the weight of the entire machine but also provides the necessary mobility in various complex terrains. However, in the daily operation and maintenance process of the heading machine, the wear, damage, or replacement of the track is inevitable. The traditional track maintenance process often faces many challenges, especially in the rapid, accurate, and safe fixing of the track, which has a direct impact on maintenance efficiency, safety, and cost.

[0003] Traditional track maintenance fixing devices often have the following problems: First, the fixing method is single and lacks adaptability to different width tracks. The width of the heading machine track may vary due to differences in machine type, working environment, and service life. Traditional fixing devices can often only fix tracks of a specific width, and when different width tracks are encountered, different size clamps or adjustment devices need to be replaced, which not only increases the maintenance time but also increases the maintenance cost.

[0004] Furthermore, traditional fixing devices are not capable of dealing with different thickness tracks. The heading machine track may gradually thin out due to wear during use, and traditional fixing devices can often only hold tracks of a certain thickness. When the track thickness changes, the traditional fixing device may not provide enough clamping force, causing the track to fall off or be damaged during maintenance. SUMMARY

[0005] To solve the above problems, the utility model aims to provide a quick fixing device for track maintenance of a heading machine, which can fix tracks of different thickness and width with different flexibility and stability.

[0006] In order to achieve the above object, the utility model discloses the technical scheme that a kind of quick fixing device is used for excavator track maintenance, including support, rotating cylinder and workstation are installed on the support, rotating cylinder is driven connection with centering clamping assembly, the centering clamping assembly includes rotating lever, the rotating lever is installed on the piston rod of rotating cylinder, the both ends of the rotating lever are connected with the one end of connecting rod by pin shaft rotation connection, the other end of two connecting rods is respectively connected with two sliding blocks by pin shaft rotation, the sliding block is slidably installed on guide rail, connecting seat is installed on the sliding block, the slide groove that slidingly connects connecting seat is set on the workstation, two-way clamping assembly is installed on the connecting seat, the two-way clamping assembly includes fixed seat, pin shaft is installed on the fixed seat, clamping plate is rotatably installed on the outside of pin shaft, adjusting bolt is installed on the top of clamping plate, support spring is clamped between the end face of the end of clamping plate away from adjusting bolt and fixed seat.

[0007] The utility model discloses the beneficial effect that: centering clamping assembly is composed of curved arm connecting rod mechanism and linear guide structure, can drive two two-way clamping assemblies to move stably to each other under the drive of rotating cylinder, realizes the centering clamping of different width track.

[0008] In order to effectively guarantee the moving stability of two-way clamping assembly;

[0009] As further improvement of the above technical scheme: the guide rail is installed on the support of both sides of rotating cylinder, and two guide rails are symmetrically arranged with the axis of the piston rod of rotating cylinder as the axis of symmetry.

[0010] The beneficial effect of the improvement is that, under the guidance and limiting of the guide rail and the sliding block, the two two-way clamping assemblies can be stably moved by the centering clamping assembly.

[0011] In order to guarantee the moving stability of connecting seat;

[0012] As further improvement of the above technical scheme: the extension direction of the slide groove is the same as the extension direction of the guide rail.

[0013] The beneficial effect of the improvement is that, when the sliding block slides on the guide rail, the connecting seat moves synchronously with the guide rail, and the setting of the slide groove avoids the structural interference between the connecting seat and the workstation.

[0014] In order to quickly and stably press different thickness tracks;

[0015] As further improvement of the above technical scheme: the clamping plate is provided with an internal thread through hole for threadedly connecting the adjusting bolt.

[0016] The improved beneficial effect is that the operator can twist the adjusting bolt on the position of the clamping plate, so that the bottom end of the adjusting bolt can adapt to the pressing of the track with different thicknesses.

[0017] In order to ensure the clamping stability of the bidirectional clamping assembly,

[0018] As a further improvement of the above technical solution: a sliding groove adapted to install the clamping plate is formed on the fixed seat, and the end face of the clamping plate away from the supporting spring is parallel to the axis of the adjusting bolt.

[0019] The improved beneficial effect is that the adjusting bolt and the clamping plate can be respectively attached and pressed on the two adjacent sides of the track, ensuring the stability of clamping the track.

[0020] In order to ensure the safe use of the supporting spring,

[0021] As a further improvement of the above technical solution: a through hole for filling the supporting spring is formed on the fixed seat, and the depth of the through hole is not less than the upper limit of the free length of the supporting spring minus the allowable compression amount of the supporting spring.

[0022] The improved beneficial effect is that when the end of the clamping plate connected to the supporting spring abuts against the fixed seat, the supporting spring is compressed and ensures that it does not exceed the limit length of elastic compression, thereby avoiding damage to the structure of the supporting spring due to excessive compression.

[0023] In order to conveniently replace the bidirectional clamping assembly,

[0024] As a further improvement of the above technical solution: the fixed seat and the connecting seat are connected by a plurality of bolts.

[0025] The improved beneficial effect is that the bidirectional clamping assembly can be quickly connected and separated from the centering and clamping assembly through the bolts, thereby facilitating personnel to replace bidirectional clamping assemblies of different sizes.

[0026] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a structural schematic view of the utility model;

[0028] Figure 2 is a structural schematic view of the utility model without the workbench;

[0029] Figure 3 is a structural schematic view of the bidirectional clamping assembly in the utility model;

[0030] Figure 4 is a sectional view of the bidirectional clamping assembly in the utility model;

[0031] In the figure: 1, workbench; 11, sliding groove; 2, support; 3, rotary cylinder; 4, centering and clamping assembly; 41, rotating rod; 42, connecting rod; 43, sliding block; 44, guide rail; 45, connecting seat; 5, two-way clamping assembly; 51, fixed seat; 52, pin shaft; 53, clamping plate; 55, adjusting bolt; 56, supporting spring. DETAILED DESCRIPTION

[0032] In order to make the technical personnel in the art better understand the technical solutions of the present application, the present application will be described in detail below in conjunction with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present application.

[0033] Example 1:

[0034] As Figure 1- 4 shows: a kind of quick fixing device for tunneling machine track maintenance, including support 2, rotating cylinder 3 is installed on the support 2, and working table 1 is driven connected with centering clamping assembly 4, the centering clamping assembly 4 includes rotating rod 41, the rotating rod 41 is installed on the piston rod of rotating cylinder 3, two ends of the rotating rod 41 are rotatably connected with one end of connecting rod 42 by pin shaft, the other end of two connecting rods 42 is rotatably connected with two sliders 43 by pin shaft respectively, the slider 43 is slidably installed on guide rail 44, connecting seat 45 is installed on the slider 43, the sliding connection connecting seat 45 is set in sliding slot 11 of the working table 1, two-way clamping assembly 5 is installed on the connecting seat 45, the two-way clamping assembly 5 includes fixed seat 51, pin shaft 52 is installed on the fixed seat 51, clamping plate 53 is rotatably installed on the outer side of pin shaft 52, adjusting bolt 55 is installed on the top of clamping plate 53, support spring 56 is clamped between the end face of the end of clamping plate 53 away from adjusting bolt 55 and fixed seat 51, centering clamping assembly 4 is composed of curved arm link mechanism and linear guide structure, can be driven by rotating cylinder 3 to drive two two-way clamping assemblies 5 to move stably towards each other, realize the centering clamping of different width tracks;The bidirectional clamping assembly 5 can stably clamp tracks of different thicknesses in two directions at the same time, the guide rails 44 are installed on the supports 2 on both sides of the rotary cylinder 3, the two guide rails 44 are symmetrically arranged with the axis of the piston rod of the rotary cylinder 3 as the axis of symmetry, under the guidance and limiting of the guide rails 44 and the sliding blocks 43, the two bidirectional clamping assemblies 5 can be stably moved by the centering clamping assembly 4, the extension direction of the sliding groove 11 is the same as the extension direction of the guide rail 44, when the sliding block 43 slides on the guide rail 44, the connecting seat 45 moves synchronously with the guide rail 44, the setting of the sliding groove 11 avoids structural interference between the connecting seat 45 and the workbench 1, the clamping plate 53 is provided with an internally threaded through hole for screwing the adjusting bolt 55, the operator can rotate the adjusting bolt 55 on the clamping plate 53, so that the bottom end of the adjusting bolt 55 can adapt to the compression of tracks of different thicknesses, the fixing seat 51 is provided with a sliding groove matched with the clamping plate 53, the end face of the clamping plate 53 away from the supporting spring 56 is parallel to the axis of the adjusting bolt 55, the adjusting bolt 55 and the clamping plate 53 can be respectively attached and compressed on two adjacent sides of the track, to ensure the stability of clamping the track, the fixing seat 51 is provided with a through hole for filling the supporting spring 56, and the depth of the through hole is not less than the free length of the supporting spring 56 minus the upper limit of the allowable compression amount of the supporting spring 56, when the end of the clamping plate 53 connected with the supporting spring 56 abuts against the fixing seat 51, the supporting spring 56 is compressed and ensures that it does not exceed the limit length of elastic compression, so as to avoid damage to the structure caused by excessive compression of the supporting spring 56, the fixing seat 51 and the connecting seat 45 are connected by a plurality of bolts, the bidirectional clamping assembly 5 can be quickly connected and separated with the centering clamping assembly 4 by the bolts, so as to facilitate personnel to replace bidirectional clamping assemblies 5 of different sizes.

[0035] The working principle of the technical solution is as follows: the track is placed on the workbench 1, then the rotary cylinder 3 is controlled, the rotary cylinder 3 drives the rotating rod 41 to rotate, the rotating rod 41 rotates to drive the connecting rods 42 at both ends to move, the connecting rods 42 further drive the sliding blocks 43 to slide on the guide rails 44, the two sliding blocks 43 move at the same speed and move towards each other, when one clamping plate 53 contacts one side surface of the track, the track is pushed by the bidirectional clamping assembly 5 until the other clamping plate 53 touches and presses the other side surface of the track, at this time, the clamping plate 53 is rigidly supported by the track, the clamping plate 53 rotates with the pin shaft 52 as the support and extrudes the supporting spring 56, so that the adjusting bolt 55 installed on the clamping plate 53 moves downward and is compressed on the top surface of the track, thereby stably fixing the track in the upward and downward and left and right directions.

[0036] It should be noted that, in this text, the term "comprising", "including" or any other variant thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such process, method, article or apparatus.

[0037] The principles and implementations of the present application are described herein with specific examples. The above examples are only used to help understand the method of the present application and its core idea. The above description is only the preferred embodiment of the present application. It should be noted that due to the limitation of language expression, there are objectively infinite specific structures. For ordinary skilled persons in the art, without departing from the principles of the present application, some improvements, refinements or changes can be made, or the above technical features can be combined in an appropriate way; these improvements, refinements, changes or combinations, or the application of the concept and technical solution of the present application to other occasions without improvement, shall be regarded as the protection scope of the present application.

Claims

1. A quick-fixing device for maintenance of tunneling machine tracks, characterized in that: Includes a bracket (2), on which a rotary cylinder (3) and a worktable (1) are mounted. The rotary cylinder (3) drives a centering clamping assembly (4). The centering clamping assembly (4) includes a rotating rod (41), which is mounted on the piston rod of the rotary cylinder (3). The two ends of the rotating rod (41) are rotatably connected to one end of a connecting rod (42) via pins. The other ends of the two connecting rods (42) are rotatably connected to two sliders (43) via pins respectively. The sliders (43) are slidably mounted on a guide rail (44). A connecting seat (45) is installed on the workbench (1), and a sliding groove (11) is provided on the workbench (1) for sliding connection of the connecting seat (45). A bidirectional clamping assembly (5) is installed on the connecting seat (45). The bidirectional clamping assembly (5) includes a fixed seat (51). A pin (52) is installed on the fixed seat (51). A clamping plate (53) is rotatably installed on the outside of the pin (52). An adjusting bolt (55) is installed on the top of the clamping plate (53). A support spring (56) is clamped between the end face of the clamping plate (53) away from the adjusting bolt (55) and the fixed seat (51).

2. The quick-fixing device for maintenance of tunneling machine tracks according to claim 1, characterized in that: The guide rails (44) are mounted on the brackets (2) on both sides of the rotary cylinder (3), and the two guide rails (44) are symmetrically arranged with the axis of the piston rod of the rotary cylinder (3) as the axis of symmetry.

3. The quick-fixing device for maintenance of tunneling machine tracks according to claim 1, characterized in that: The extension direction of the groove (11) is the same as the extension direction of the guide rail (44).

4. The quick-fixing device for maintenance of tunneling machine tracks according to claim 1, characterized in that: The clamping plate (53) has an internal threaded through hole for a threaded connecting adjusting bolt (55).

5. A quick-fixing device for maintenance of tunneling machine tracks according to claim 1, characterized in that: The fixed base (51) has a sliding groove adapted to install the clamping plate (53), and the end face of the clamping plate (53) facing away from the support spring (56) is parallel to the axis of the adjusting bolt (55).

6. A quick-fixing device for maintenance of tunneling machine tracks according to claim 1, characterized in that: The fixed base (51) has a through hole for filling the support spring (56), and the depth of the through hole is not less than the free length of the support spring (56) minus the upper limit of the allowable compression of the support spring (56).

7. A quick-fixing device for maintenance of tunneling machine tracks according to claim 1, characterized in that: The fixed seat (51) and the connecting seat (45) are connected by multiple bolts.

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