CN219654709U

CN219654709U - Roadway support truss

Info

Publication number: CN219654709U
Application number: CN202321392259.6U
Authority: CN
Inventors: 赵世宇
Original assignee: Northern Engineering and Technology Corp MCC
Current assignee: Northern Engineering and Technology Corp MCC
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-09-08
Anticipated expiration: 2033-06-02

Abstract

The utility model discloses a roadway support truss, which relates to the technical field of roadway support and comprises two semi-arc trusses, wherein one ends of the semi-arc trusses, which are close to each other, are contacted, arc plates are arranged below the semi-arc trusses, the number of the arc plates is three, the two ends of the tops of the arc plates, which are positioned at the front side and the rear side of the semi-arc trusses, are movably connected with side plates, insertion holes are drilled at the two ends of the side walls of the side plates, and threaded rods are fixed on the side walls of the semi-arc trusses, so that an arch steel piece is divided into two semi-arc trusses, after the two semi-arc trusses are divided, the whole part can easily enter a roadway and be installed in a designated support area, the time for entering the roadway is shortened, the time for installation is shortened, and the rapid installation and the support work in the roadway can be achieved.

Description

Roadway support truss

Technical Field

The utility model relates to the technical field of roadway support, in particular to a roadway support truss.

Background

The coal mine in China is mainly underground mining, a large number of roadways are required to be excavated underground, roadway support is matched with trusses to keep the roadways smooth and surrounding rock stable, the method has important significance for coal mine construction and production, the basic purpose of supporting the roadways is to alleviate and reduce movement of the surrounding rock, the section of the roadway is not excessively reduced, and scattered and damaged surrounding rock is prevented from falling down.

The truss for roadway support is in a shape similar to an arched door frame, a semicircular arched steel piece is arranged above the truss, two ends of the lower portion are vertical steel pieces, the vertical steel pieces are spliced with the arched steel pieces through bolts to form the truss for roadway support, and the truss has the following problems in roadway support installation:

the arched steel pieces above the truss are integrated, so that the truss can achieve better supporting work in the roadway, the size of the arched steel pieces on the truss is matched with the size of the roof in the roadway, but the truss with the matched size needs to be adjusted in a large amount of time when being placed in the roadway, the truss is relatively complicated to operate in installation, and the effect of quick installation cannot be achieved.

Disclosure of Invention

The utility model mainly aims to provide a roadway support truss which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a roadway support truss, includes half arc truss, half arc truss's quantity is two, half arc truss's one end that is close to each other touches and connects, the below between the half arc truss is equipped with the arc, the quantity of arc is three, the arc is located the equal swing joint in top both ends of both sides around the half arc truss and has the curb plate, the jack has all been excavated at the lateral wall both ends of curb plate, half arc truss is located the lateral wall of jack position all to be fixed with the threaded rod, the one end that the threaded rod kept away from half arc truss runs through with the jack respectively and communicates with each other, the threaded rod passes the equal threaded connection of the outer wall of jack one end and has the screw cap.

Preferably, two anchor rod grooves are cut in the bottom of the semi-arc truss from bottom to top, anchor rod pieces are inserted into the anchor rod grooves, and the anchor rod pieces are respectively communicated with the anchor rod grooves in a penetrating mode.

Preferably, the steel bar pieces are arranged on the front side and the rear side of the bottom between the semi-arc trusses.

Preferably, the positions of the bottoms of the semi-arc trusses, which are located on the steel bar pieces, are provided with upper steel bar grooves, and the positions of the arc plates, which are located on the steel bar pieces, are provided with lower steel bar grooves.

Preferably, the outer diameter of the steel bar member is matched with the inner diameter formed between the upper steel bar groove and the lower steel bar groove, the upper half parts of the steel bar member are respectively inserted into the upper steel bar groove, and the lower half parts of the steel bar member are respectively inserted into the lower steel bar groove.

Preferably, the bottoms of the ends, far away from each other, of the semi-arc trusses are all fixed with connecting plates, a plurality of bolt pieces are inserted on the connecting plates, and bolt caps are connected with the positions, penetrating through one ends of the connecting plates, of the bolt pieces in a threaded mode.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the arched steel part is divided into the two semi-arc trusses, and after the arched steel part is divided into the two semi-arc trusses, the whole part can easily enter the roadway and is installed in the designated supporting area, so that the time for entering the roadway is shortened, and meanwhile, the time for installation is shortened during installation, so that the arched steel part can be quickly installed and can support the roadway.

2. The two semi-arc trusses are assembled with the lower vertical steel part through the bolt pieces and the bolt caps on the connecting plates, the two semi-arc trusses are contacted with each other, then the anchor rod piece penetrates through the anchor rod groove and is inserted into the top of the roadway, the trusses are connected with the roadway to increase the supporting stability, the two semi-arc trusses and the arc plates are connected through the threaded rods and the threaded caps to tightly limit the steel bar pieces between the upper steel bar groove and the lower steel bar groove, the steel bar pieces can increase the supporting hardness between the semi-arc trusses, and the roadway can be supported more stably.

Drawings

FIG. 1 is a schematic top view of a roadway support truss according to the present utility model;

FIG. 2 is a schematic view of the bottom view of a roadway support truss according to the present utility model;

FIG. 3 is a schematic diagram of a separation structure of a semi-arc truss and a steel bar member of a roadway support truss according to the present utility model;

fig. 4 is a schematic structural view of a roadway support truss arc plate, a screw cap and a side plate according to the present utility model.

In the figure: 1. a semi-arc truss; 2. a connecting plate; 3. a bolt member; 4. a bolt cap; 5. an anchor rod groove; 6. an anchor rod piece; 7. an arc-shaped plate; 8. a jack; 9. a threaded rod; 10. a threaded cap; 11. a steel bar groove is formed; 12. a lower reinforcement groove; 13. a reinforcing bar member; 14. and a side plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a roadway support truss comprises a half arc truss 1, the number of the half arc trusses 1 is two, one ends of the half arc trusses 1, which are close to each other, are contacted, arc plates 7 are arranged below the half arc trusses 1, the number of the arc plates 7 is three, the arc plates 7 are located at the top two ends of the front side and the rear side of the half arc trusses 1 and are movably connected with side plates 14, insertion holes 8 are formed in the two ends of the side walls of the side plates 14, threaded rods 9 are fixed to the side walls of the positions of the half arc trusses 1, one ends of the threaded rods 9, which are far away from the half arc trusses 1, are respectively communicated with the insertion holes 8 in a penetrating mode, and threaded caps 10 are connected to the outer walls of the threaded rods 9, which penetrate through one ends of the insertion holes 8.

Specifically, two anchor rod grooves 5 are formed in the bottom of the semi-arc truss 1 in the bottom-up direction, anchor rod pieces 6 are inserted into the anchor rod grooves 5, the anchor rod pieces 6 are respectively communicated with the anchor rod grooves 5 in a penetrating mode, the anchor rod pieces 6 penetrate through the anchor rod grooves 5 and then are inserted into the roof of a roadway, and therefore stability of the semi-arc truss 1 when supporting the roadway is improved.

Specifically, both sides all are equipped with bar 13 around the bottom between the half arc truss 1, the position that half arc truss 1 bottom is located bar 13 all cuts has last bar groove 11, arc 7 is located bar 13's position all cuts has down bar groove 12, bar 13's external diameter size respectively with go up bar groove 11 and down bar groove 12 between the internal diameter size assorted that forms, and bar 13's first half inserts respectively in last bar groove 11 inside, bar 13's second half inserts respectively in down bar groove 12's inside, stability and supportability after the concatenation between the half arc truss 1 are increased through bar 13, make it support the tunnel that can be better.

Specifically, the bottom that semi-arc truss 1 kept away from one end each other all is fixed with connecting plate 2, all inserts on the connecting plate 2 and is equipped with a plurality of bolt pieces 3, and the equal threaded connection in position that bolt piece 3 passed connecting plate 2 one end has bolt cap 4, conveniently erects with the below and puts the steel piece and assemble.

Working principle: according to the utility model, after the arched steel member is divided into the two semi-arched trusses 1, the whole member can easily enter the roadway and is installed in a designated supporting area, so that the time for entering the roadway is shortened, the time for installation is shortened at the same time, the installation time is shortened during the installation, the two semi-arched trusses 1 can be rapidly installed and support the roadway, the two semi-arched trusses 1 are respectively assembled with the lower vertical steel member through the bolt member 3 and the bolt cap 4 on the connecting plate 2, the vertical steel member is not an innovative part of the utility model, excessive redundancy is avoided, the two semi-arched trusses 1 are in contact connection, then the anchor rod member 6 penetrates through the anchor rod groove 5 and is inserted into the top of the roadway, the truss is connected with the roadway to increase the supporting stability, the arc plate 7 is positioned at the bottom of the semi-arched trusses 1, the two side plates 14 are movably connected with the threaded cap 10 through the threaded holes 8, so that the arc plate 7 can be stably installed below the semi-arched trusses 1 through the bolt member 3 and the threaded cap 10, the arc plate 7 can be stably installed below the semi-arched trusses 1, the arc plate 13 can be further stably connected with the arc trusses 13 through the arc trusses 13, and the whole supporting 13 can be further increased through the arc trusses 13, and the supporting 13 can be more stably connected with the arc trusses through the arc trusses 13.

The circuit, the electronic components and the control module are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the utility model does not relate to the improvement of software and a method.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Roadway support truss, including half arc truss (1), its characterized in that: the utility model discloses a semi-arc truss, including semi-arc truss (1), arc (7) are equipped with in the below between semi-arc truss (1), arc (7) are three in quantity, arc (7) are located the equal swing joint in top both ends of both sides around semi-arc truss (1) have curb plate (14), jack (8) have all been excavated at the lateral wall both ends of curb plate (14), the lateral wall that semi-arc truss (1) are located jack (8) position all is fixed with threaded rod (9), the one end that semi-arc truss (1) was kept away from to threaded rod (9) runs through with jack (8) respectively and communicates, threaded rod (9) are threaded cap (10) all threaded connection in the outer wall that jack (8) one end were passed.

2. A roadway support truss as claimed in claim 1, wherein: two anchor rod grooves (5) are formed in the bottom of the semi-arc truss (1) in the upward direction, anchor rod pieces (6) are inserted into the anchor rod grooves (5), and the anchor rod pieces (6) are respectively communicated with the anchor rod grooves (5) in a penetrating mode.

3. A roadway support truss as claimed in claim 1, wherein: and steel bar pieces (13) are arranged on the front side and the rear side of the bottom between the semi-arc trusses (1).

4. A roadway support truss as claimed in claim 1, wherein: the semi-arc truss (1) bottom all digs in the position that is located reinforcement spare (13) has last steel bar groove (11), arc (7) are located the position of reinforcement spare (13) and all dig in lower steel bar groove (12).

5. A roadway support truss as claimed in claim 3, wherein: the external diameter size of the steel bar piece (13) is respectively matched with the internal diameter size formed between the upper steel bar groove (11) and the lower steel bar groove (12), the upper half parts of the steel bar piece (13) are respectively inserted into the upper steel bar groove (11), and the lower half parts of the steel bar piece (13) are respectively inserted into the lower steel bar groove (12).

6. A roadway support truss as claimed in claim 1, wherein: the semi-arc truss is characterized in that connecting plates (2) are fixed at bottoms of the ends, far away from each other, of the semi-arc truss (1), a plurality of bolt pieces (3) are inserted into the connecting plates (2), and bolt caps (4) are connected to positions, penetrating through one ends of the connecting plates (2), of the bolt pieces (3) in a threaded mode.