CN215907842U - Improved anti-skid device of coal mining machine - Google Patents

Improved anti-skid device of coal mining machine Download PDF

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Publication number
CN215907842U
CN215907842U CN202121305378.4U CN202121305378U CN215907842U CN 215907842 U CN215907842 U CN 215907842U CN 202121305378 U CN202121305378 U CN 202121305378U CN 215907842 U CN215907842 U CN 215907842U
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connecting rod
coal mining
hydraulic cylinder
mining machine
skid
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CN202121305378.4U
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苏风国
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Individual
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Abstract

The utility model relates to the technical field of coal mining mechanical equipment, and particularly discloses an anti-skid improved device of a coal mining machine, which comprises a first hydraulic cylinder and a support table, wherein the first hydraulic cylinder is vertically arranged, the support table is fixedly connected with an extension end of the first hydraulic cylinder, a fixing drill rod capable of being inserted into the ground is fixedly connected to the bottom of the support table, two sides of the support table are respectively provided with a movable arm for gripping the ground, one end of each movable arm, which is far away from the middle part of the support table, is provided with a first connecting rod in a rotating manner, the surface of the support table is provided with a second hydraulic cylinder, the extension end of the second hydraulic cylinder is rotatably connected with a second connecting rod, a connecting plate is arranged between the movable arms at the same side, and the bottom of the connecting plate is provided with a plurality of anti-skid teeth. Has the advantages of firm ground gripping and convenient adjustment.

Description

Improved anti-skid device of coal mining machine
Technical Field
The application relates to the technical field of coal mining mechanical equipment, and particularly discloses an improved anti-skid device for a coal mining machine.
Background
The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production. The mechanized coal mining can reduce the physical labor, improve the safety and achieve the purposes of high yield, high efficiency and low consumption. In order to enable the coal mining machine to be normally used in a coal face of a coal seam, the currently produced coal mining machine is provided with an anti-skidding device, the anti-skidding device of the existing coal mining machine is usually anti-skidding by a mode of pressing the ground by a single mechanism, the ground gripping force of the device is insufficient, the anti-skidding function is easy to lose efficacy, and therefore great hidden danger is brought to construction safety.
Disclosure of Invention
The utility model aims to solve the problem that the traditional antiskid device of the coal mining machine has insufficient gripping force due to the fact that a single mechanism supports the ground.
In order to achieve the purpose, the basic scheme of the utility model provides an anti-skid improved device for a coal mining machine, which comprises a first hydraulic cylinder and a support table, wherein the first hydraulic cylinder is vertically arranged, the support table is fixedly connected to the extending end of the first hydraulic cylinder, a support is arranged at one end of the first hydraulic cylinder and is detachably connected with the coal mining machine, a fixing drill rod capable of being inserted into the ground is fixedly connected to the bottom of the support table, movable arms for grasping the ground are symmetrically and rotatably connected to two sides of the support table, a second hydraulic cylinder is arranged on the surface of the support table, a second connecting rod is arranged at the extending end of the second hydraulic cylinder, the free end of the second connecting rod is rotatably connected with first connecting rods horizontally and symmetrically arranged, the free end of the first connecting rod is rotatably connected with the movable arms positioned on the same side, a connecting plate is arranged between the movable arms positioned on the same side, and a plurality of anti-skid teeth are arranged at the bottom of the connecting plate.
The principle and effect of this basic scheme lie in:
1. the support table can be driven to reciprocate up and down through the operation of the first hydraulic cylinder, so that the fixing drill rod at the bottom of the support table is inserted into the ground to complete the fixing of the device in the vertical direction;
2. the anti-slip teeth capable of being meshed with the ground are arranged between the movable arms positioned on the same side, and the anti-slip teeth tightly grip the ground to prevent the coal mining machine from slipping;
3. the extending end of the second hydraulic cylinder drives the second connecting rod to reciprocate up and down, and when the second hydraulic cylinder extends, the second connecting rod moves upwards so as to drive the two first connecting rods to move in the same direction, so that the included angle between the first connecting rods is reduced, and the movable arm is driven to grasp the ground;
4. the support arranged at the bottom of the first hydraulic cylinder can be detachably connected with a coal mining machine, is installed according to the field condition, is suitable for complex terrains in mine holes, and is convenient to detach.
Compared with the prior art, the coal mining machine anti-skid device has the advantages that the first hydraulic cylinder is arranged, the fixing can be inserted into the ground to complete the first fixing, the second hydraulic cylinder is arranged to drive the anti-skid teeth on the movable arm to tightly grasp the ground, the double fixing is completed, the problem that the traditional coal mining machine anti-skid device is insufficient in gripping force due to the fact that a single mechanism supports the ground is solved, and the coal mining machine anti-skid device is firm in gripping and convenient to adjust.
Further, the movable arm is L-shaped rod, one end of the movable arm is rotatably connected with the supporting table, and the other end of the movable arm is rotatably connected with the free end of the first connecting rod. The movable arms are pulled to deflect through the first connecting rods, when the two first connecting rods no longer tend to be horizontal, the included angle between the movable arms also changes, and the ground is clamped.
Furthermore, a threaded hole is formed in the support. After the first hydraulic cylinder is connected through the threaded hole, the connection mode of the first hydraulic cylinder is more stable.
Furthermore, the extending end of the second connecting rod is fixedly connected with a connecting ring used for connecting the second connecting rod. Can be connected with other mechanisms through connecting rings.
Further, the connecting ring is connected with the second connecting rod through bolts. The bolt is adopted for connection, so that the disassembly and the installation are convenient.
Further, the width of the support table is larger than the diameter of the first hydraulic cylinder, and the second hydraulic cylinder is located on the surface of the support table far away from the first hydraulic cylinder. The extension end of the second hydraulic cylinder is prevented from colliding with the bottom of the first hydraulic cylinder after being extended.
Further, the movable angle of the movable arm is 130-170 degrees. The ground with different softness can be grasped, the moving range is large, and the practicability is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view illustrating an improved skid-proof device for a coal mining machine according to an embodiment of the present application;
fig. 2 shows a side view of a skid-proof improvement device for a coal mining machine according to an embodiment of the present application.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the device comprises a first hydraulic cylinder 1, a support platform 2, a fixed drill rod 3, a movable arm 4, a first connecting rod 5, a second connecting rod 6, a second hydraulic cylinder 7, a connecting plate 8, an anti-skidding tooth 9, a support 10 and a threaded hole 11.
An embodiment of an improved anti-skid device of a coal mining machine is shown in figures 1 and 2 and comprises a first hydraulic cylinder 1 and a support table 2 fixedly connected to the lower end of the first hydraulic cylinder 1, a fixing drill rod 3 capable of being inserted into the ground is fixedly connected to the bottom of the support table 2, a support 10 used for being connected with the coal mining machine is arranged at the upper end of the first hydraulic cylinder 1, a threaded hole 11 is formed in the support 10, the device can be installed on the coal mining machine through the threaded hole 11 and can be installed at different positions according to actual environments, the fixing drill rod 3 is fixed to the bottom of the support table 2, the fixing drill rod 3 can be inserted into the ground through extension of the first hydraulic cylinder 1 to complete fixing, movable arms 4 are hinged to the front surface and the rear surface of the support table 2, four movable arms 4 are symmetrically arranged on the left side and the right side of the support table 2, the movable arms 4 are L-shaped rods, the width of the support table 2 is larger than the diameter of the first hydraulic cylinder 1, a second hydraulic cylinder 7 is fixed to a position far away from the middle part of the support table 2, the upper end of the second hydraulic cylinder 7 is fixed with a connecting ring, the connecting ring is connected with a second connecting rod 6 which is vertically arranged through a bolt, the connection of the connecting ring and the second connecting rod 6 can be completed by disassembling the bolt, the operation is convenient, the disassembly is convenient, the lower end of the second connecting rod 6 is positioned between the movable arms 4 and is articulated with two first connecting rods 5, the free ends of the first connecting rods 5 are articulated with one ends of the movable arms 4 which are positioned at two sides and are far away from the middle part, a connecting plate 8 is fixedly connected between the two movable arms 4 which are positioned at the same side, the bottom of the connecting plate 8 is provided with a plurality of anti-skidding teeth 9, the second connecting rod 6 can be driven to move through the extension of the second hydraulic cylinder 7, so as to change the included angle between the two first connecting rods 5, so that the anti-skidding teeth 9 on the movable arms 4 can grasp the ground, thereby completing the secondary fixation, the moving range of the opposite movable arms 4 is between 130 degrees and 170 degrees, and a controller for controlling the first hydraulic cylinder 1 and the second hydraulic cylinder 7 can also be arranged, thereby the operation of the device can be remotely controlled and the technical personnel can be prevented from being injured.
In the implementation of this embodiment, the technical staff can be according to the condition in mine hole, set up this antiskid on the coal-winning machine, threaded hole 11 on the first pneumatic cylinder of accessible 1 is connected fixedly with the coal-winning machine, fixed back, make fixed borer 3 insert ground through driving first pneumatic cylinder 1 and accomplish fixed for the first time, rethread drive second pneumatic cylinder 7 extension, cooperation through first connecting rod 5 and second connecting rod 6, thereby make contained angle reduce between the digging arm 4, thereby make the last anti-skidding tooth 9 of digging arm 4 grasp ground, accomplish the secondary and fix.
Compared with the prior art, the coal mining machine anti-skid device has the advantages that the first hydraulic cylinder 1 is arranged, the fixing can be inserted into the ground to complete the first fixing, the second hydraulic cylinder 7 is arranged to drive the anti-skid teeth 9 on the movable arm 4 to tightly grasp the ground, the double fixing is completed, the problem that the traditional coal mining machine anti-skid device is insufficient in gripping force due to the fact that a single mechanism supports the ground is solved, and the coal mining machine anti-skid device is firm in gripping the ground and convenient to adjust.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (7)

1. The utility model provides a coal-winning machine antiskid improves device, its characterized in that, includes that the first pneumatic cylinder of vertical setting and rigid coupling stretch out the brace table of end at first pneumatic cylinder, first pneumatic cylinder one end is equipped with and is used for dismantling the support of being connected with the coal-winning machine, brace table bottom rigid coupling has the fixed borer that can insert ground, the equal symmetrical rotation in brace table both sides is connected with the digging arm that is used for grasping ground, the brace table surface is equipped with the second pneumatic cylinder, and the end that stretches out of second pneumatic cylinder is equipped with the second connecting rod, and second connecting rod free end rotates and is connected with the first connecting rod that two horizontal symmetries set up, and first connecting rod free end all rotates with adjacent digging arm to be connected, is located the homonymy be equipped with the connecting plate between the digging arm, and the connecting plate bottom is equipped with a plurality of anti-skidding teeth.
2. The improved anti-skid device for the coal mining machine as claimed in claim 1, wherein the movable arms are L-shaped rods, one end of each movable arm is rotatably connected with the support platform, and the other end of each movable arm is rotatably connected with the free end of the first connecting rod.
3. The improved anti-skid device for the coal mining machine as claimed in claim 1, wherein the support is provided with a threaded hole.
4. The improved anti-skid device for the coal mining machine as claimed in claim 1, wherein the extended end of the second connecting rod is fixedly connected with a connecting ring for connecting the second connecting rod.
5. The anti-skid improvement device for the coal mining machine according to claim 4, characterized in that the connecting ring is connected with the second connecting rod through a bolt.
6. The improved skid prevention device for coal mining machines of claim 1, wherein the support platform has a width greater than the diameter of the first hydraulic cylinder, and the second hydraulic cylinder is located on the surface of the support platform away from the first hydraulic cylinder.
7. The improved anti-skid device for the coal mining machine as claimed in claim 1, wherein the movable angle of the movable arm is 130-170 °.
CN202121305378.4U 2021-06-11 2021-06-11 Improved anti-skid device of coal mining machine Active CN215907842U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121305378.4U CN215907842U (en) 2021-06-11 2021-06-11 Improved anti-skid device of coal mining machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121305378.4U CN215907842U (en) 2021-06-11 2021-06-11 Improved anti-skid device of coal mining machine

Publications (1)

Publication Number Publication Date
CN215907842U true CN215907842U (en) 2022-02-25

Family

ID=80287935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121305378.4U Active CN215907842U (en) 2021-06-11 2021-06-11 Improved anti-skid device of coal mining machine

Country Status (1)

Country Link
CN (1) CN215907842U (en)

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