CN221169619U - Coal mine tunneling supporting device - Google Patents

Abstract

The utility model discloses a coal mine tunneling supporting device which comprises a plurality of groups of bases and supporting plates and also comprises positioning rails arranged on two sides, wherein a telescopic supporting rod is connected between the bases and the supporting plates, the section of each positioning rail is I-shaped, the bases are in sliding sleeve joint with the positioning rails, two sides of each base are respectively provided with a bump matched with grooves on two sides of each positioning rail, two end surfaces of each positioning rail are respectively provided with an external connection block and an internal connection groove, the external connection blocks are matched with the internal connection grooves, and the upper end surface of each positioning rail is concavely provided with a plurality of positioning holes penetrating through the positioning rail along the length direction of each positioning rail. Compared with the prior art, the utility model has the advantages that: the coal mine tunneling supporting device is convenient to move and fix, high in use stability and capable of preventing overhead operation.

Description

Coal mine tunneling supporting device

Technical Field

The utility model relates to the technical field of coal mine supporting machinery, in particular to a coal mine tunneling supporting device.

Background

The coal mine in China is mainly underground mining, a large number of roadways need to be excavated underground, roadway supports are adopted to keep the roadways smooth and surrounding rocks stable, and the method has important significance for coal mine construction and production.

Most coal mine tunnels are generally driven by blasting and mechanical driving, and mechanical driving is a main direction of development along with continuous improvement and improvement of the performance of driving mechanical equipment. But more than 40% of personal casualties accidents in the coal mine tunneling production operation are roof accidents in the working face supporting process.

In the prior art, the supporting structure part is required to be assembled and supported in the mine tunnel on site, accidents are easy to occur in the operation of a non-protection roadway, and part of supporting structure with a moving structure can be moved into the mine tunnel after being pre-installed, however, the moving structure of the supporting structure is mainly moved by universal wheels at the bottom, so that the supporting structure is poor in stability during use.

Disclosure of utility model

The utility model aims to overcome the technical defects, and provides the coal mine tunneling support device which is convenient to move and fix, high in use stability and capable of preventing overhead operation.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a colliery tunneling supporting device, includes multiunit base and backplate, still including locating the locating rail of both sides, be connected between base and the backplate and be equipped with flexible bracing piece, the locating rail cross-section is the I shape, and base and locating rail slide and cup joint, and the equal matching locating rail both sides groove in base both sides all is equipped with the lug, the both ends face of locating rail is equipped with external piece and inscribed groove respectively, external piece matches inscribed groove setting, the up end of locating rail is equipped with a plurality of locating holes that run through the locating rail setting along its length direction indent.

As an improvement, the base is provided with jacks which are positioned on two sides of the telescopic supporting rod and matched with the positioning holes.

As an improvement, the telescopic support rod is a hydraulic support rod.

As an improvement, the lower end part of the lug is inwards concave with a roller groove, a plurality of rolling wheels are rotatably connected in the rolling groove along the length direction of the rolling groove, and the lower end surfaces of the rolling wheels are propped against the inner bottom surface of the positioning rail slot.

As an improvement, the upper end face of the support plate is arc-shaped, and the two sides of the upper end face are provided with material openings penetrating through the support plate.

As an improvement, both ends of the support plate are provided with extension plates in a downward extending mode, the inner sides of the extension plates are concavely provided with sliding grooves, waste hoppers are slidably arranged in the sliding grooves, and the hoppers of the waste hoppers are arranged below the material openings.

Compared with the prior art, the utility model has the advantages that:

1. According to the application, through the cooperation of the positioning rails on the two sides and the base, the movable base can be directly pushed during use, so that the support plate is driven to move to a designated area for protection.

2. According to the application, the positioning holes are matched with the jacks and the like, so that the support structure can be fixed on the positioning rail and the sliding position can be fixed, and the use convenience is improved.

3. The matched arrangement of the material port and the waste hopper can collect waste materials to reduce the pressure of the supporting plate, and prevent the waste materials from injuring staff when falling down.

Drawings

FIG. 1 is a schematic diagram of a coal mine tunnelling support device.

Fig. 2 is a schematic view of the structure of the rolling groove.

FIG. 3 is a schematic diagram of a top view of a coal mine tunnelling support device.

As shown in the figure: 1. a base; 2. a support plate; 3. a positioning rail; 4. a telescopic support rod; 5. a bump; 6. an outer joint block; 7. an inscription groove; 8. positioning holes; 9. a jack; 10. a roller groove; 11. a rolling wheel; 12. a material port; 13. and (5) a waste hopper.

Detailed Description

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In order to make the contents of the present utility model more clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Please refer to fig. 1-3, a coal mine tunneling supporting device, including multiunit base 1 and backplate 2, still including locating rail 3 that locates both sides, backplate 2's up end is the arc setting, up end both sides all are equipped with the material mouth 12 that runs through backplate 2, and backplate 2's both ends all downwardly extending is equipped with extension board, the inboard indent of extension board has the spout, the slip is equipped with waste hopper 13 in the spout, and waste hopper 13's hopper is located material mouth 12 below, protects through backplate 2, and waste hopper 13 accomplishes the collection of waste material with the cooperation of material mouth 12 simultaneously.

The telescopic support rod 4 is connected between the base 1 and the support plate 2, the telescopic support rod 4 can be set to be a hydraulic support rod or a sliding telescopic rod and the like in use, two end faces of the positioning rail 3 are respectively provided with an external connection block 6 and an internal connection groove 7, the external connection block 6 is matched with the internal connection groove 7, and the two positioning rails 3 can be assembled through the matching of the external connection block 6 and the internal connection groove 7.

The cross-section of the positioning rail 3 is I-shaped, the base 1 is in sliding sleeve joint with the positioning rail 3, two sides of the base 1 are matched with grooves on two sides of the positioning rail 3, protruding blocks 5 are respectively arranged at the lower end parts of the protruding blocks 5 in a concave mode, roller grooves 10 are rotatably connected with a plurality of rolling wheels 11 along the length direction of the roller grooves 10, the lower end faces of the rolling wheels 11 are propped against the inner bottom face of the groove of the positioning rail 3, the rolling wheels 11 are used for conveniently pushing and moving, meanwhile, a plurality of positioning holes 8 which are arranged through the positioning rail 3 are arranged on the upper end face of the positioning rail 3 in a concave mode along the length direction of the upper end face of the positioning rail 3, insertion holes 9 are formed in the base 1, the two sides of the telescopic supporting rods 4 are matched with the positioning holes 8, and fixed use of the base 1 and the positioning rail 3 is completed through the insertion holes 9 and the positioning holes 8.

When the positioning rail is paved in a roadway, the base is in sliding sleeve connection with the positioning rail, the position of the support plate can be controlled by moving the base, after the support plate moves, the support plate is reinforced with the position of the positioning rail through positioning bolts and the like according to requirements, and the positioning bolts are continuously inserted into the positions of the fixed base in the jack to finish position adjustment.

When the movable type automatic feeding device is used, when the base is moved, the rolling wheel is propped against the side groove of the positioning rail, so that the movable type automatic feeding device is convenient to push and move, the burden of manpower adjustment is reduced, and scraps falling from the top in use slide into the waste hopper through the support plate sliding inlet arranged in an arc shape, so that the scraps can slide out of the waste hopper to be cleaned and replaced through the sliding groove according to the requirement.

What is not described in detail in this specification is prior art known to those skilled in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (4)

1. The utility model provides a colliery tunnelling strutting arrangement, includes multiunit base (1) and backplate (2), its characterized in that: still including locating rail (3) of locating both sides, be connected between base (1) and backplate (2) and be equipped with flexible bracing piece (4), locating rail (3) cross-section is the I shape, and base (1) and locating rail (3) slip cup joint, and base (1) both sides all match locating rail (3) both sides groove and all are equipped with lug (5), locating rail (3) both ends face is equipped with external connection piece (6) and inscribed groove (7) respectively, external connection piece (6) match inscribed groove (7) setting, locating rail (3) up end is equipped with a plurality of locating holes (8) that run through locating rail (3) setting along its length direction indent, backplate (2) up end is the arc setting, up end both sides all are equipped with feed inlet (12) that run through backplate (2), backplate (2) both ends all downwardly extending are equipped with the extension board, the indent has the spout in the spout, it is equipped with hopper (13) to slide in the spout, hopper (13) is located feed inlet (12) below setting.

2. A coal mine tunnelling support device as claimed in claim 1 wherein: the base (1) is provided with jacks (9) which are positioned on two sides of the telescopic supporting rod (4) and matched with the positioning holes (8).

3. A coal mine tunnelling support device as claimed in claim 2 wherein: the telescopic support rod (4) is a hydraulic support rod.

4. A coal mine tunnelling support device as claimed in claim 2 wherein: the lower end of the lug (5) is internally provided with a roller groove (10), a plurality of rolling wheels (11) are rotatably connected in the roller groove (10) along the length direction of the roller groove, and the lower end surface of the rolling wheels (11) is propped against the inner bottom surface of the slot of the positioning rail (3).