Primary auxiliary top frame of double-telescopic airborne temporary support

Abstract

The utility model discloses a primary auxiliary top frame of a double-telescopic onboard temporary support, and belongs to the technical field of temporary support devices under mines. The device comprises two first-stage supporting columns which are oppositely arranged; each first-stage supporting column is of a hollow columnar structure, and a plurality of arch columns are connected between the opposite end faces of the two first-stage supporting columns. Groove penetrating battens are arranged on the opposite end faces of the two primary supporting columns; a push rod is further arranged at the other end of the groove penetrating batten; the first-stage supporting column is parallel to the push rod; a positioning hole is formed in the front position of the middle part of the push rod; a second-stage hydraulic rod is mounted in the first-stage supporting column; the fixed end of the second-stage hydraulic rod is mounted at the tail part of the first-stage supporting column, and the extending end of the second-stage hydraulic rod extends out of the front side of the first-stage supporting column; the utility model effectively solves the problem that the currently adopted three-section telescopic temporary support structure is lack of a primary auxiliary top frame and cannot be effectively used as a relay telescopic mechanism between a main top frame and a secondary auxiliary top frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of temporary support device under the mine, specifically relates to a double telescopic machine temporary support first vice roof support. BACKGROUND

[0002] The hydraulic roof support system is the equipment for supporting the upper roadway inner side roof structure in the mining end, and in order to solve the problems that the conventional hydraulic support structure portability and mobility cross, and cannot provide reliable support during the tunneling work, the applicant has designed the patent document "temporary hydraulic support device on the heading machine and its using method" with the application number 2023110260574; but in the specific use process, the staff finds that the supporting effect still cannot meet the specific use requirement, mainly reflected in the current used this turnover type temporary support device overall structure still bigger, and the front side hydraulic telescopic rod lacks effective protection, and the supporting effect is not ideal; the applicant considers adopting the three-section telescopic support structure, so it is necessary to design the first vice roof support cooperating with the main support to provide the telescopic containing function of the second vice roof support while guaranteeing the telescopic connection structure between the main support. CONTENT OF UTILITY MODEL

[0003] The utility model solves the technical problem that: provide a double telescopic machine temporary support first vice roof support, to solve the problem that the three-section telescopic temporary support structure lacks the first vice roof support, and cannot effectively relay the telescopic mechanism between the main roof support and the second vice roof support.

[0004] In order to solve the above problems, the utility model provides the following technical scheme:

[0005] A double telescopic machine temporary support first vice roof support, it includes two opposite first support posts, the first support post is hollow column structure, between the opposite end faces of two first support posts, a plurality of arch columns are connected, on the opposite end faces of two first support posts, the through slot batten is arranged, on the other end of the through slot batten, the push rod is further arranged, the first support post and the push rod are parallel, the positioning hole is opened at the early position of the middle part of the push rod, the second hydraulic rod is installed in the first support post, the fixed end of the second hydraulic rod is installed at the tail position of the first support post, and the extension end extends from the front side of the first support post.

[0006] Preferably, the arch column is hollow, the cross section is arc-shaped column body structure, and the cross section is square; the arch column is provided with three, and is arranged at the front end, the tail end and the late position of the middle part of the first support post.

[0007] Further, upper or lower rib plates are respectively arranged at the position where the arch column meets the primary support; a connecting plate is further arranged on the side end surface of the tail of each primary support; the connecting plate and the upper or lower rib plate are independent structures without interfering with each other; positioning through holes are formed on the connecting plate and the primary support, and the fixed end of the secondary hydraulic rod is installed at the positioning through hole through a bolt.

[0008] Further, two C-shaped protective buckling plates are symmetrically arranged on the rear side end surface of the arch column at the tail end of the primary support.

[0009] Preferably, the slotted strip plate is arranged at the middle position of the opposite end surface of the push rod and the primary support, and the length of the slotted strip plate is not less than half of the length of the primary support and not more than three quarters of the length of the primary support.

[0010] Preferably, the push rod is a hollow columnar structure with a cross section similar to the cross section shape of the primary support, and the rod diameter of the push rod is smaller than the column diameter of the primary support, and the length of the push rod is consistent with the length of the primary support.

[0011] Preferably, a pad plate is arranged on the outer side end surface of the tail of the push rod and the inner cavity end side surface of the front end of the primary support.

[0012] The utility model has the beneficial effects:

[0013] The utility model discloses a supporting and enabling component between the main roof frame and the secondary roof frame in a three-section telescopic temporary support structure, uses a push rod as the structure for positioning the hydraulic telescopic rod on the main roof frame, designs a slotted strip plate on the two components as the movable ground guide on the main roof frame, and constructs a grid-shaped arc roof frame main body formed by the arch column and the primary support, which can realize the telescopic requirement of cooperating with the hydraulic telescopic rod on the main roof frame, and provides telescopic power for the secondary roof frame by arranging the secondary hydraulic rod in the inner cavity of the primary support, effectively guarantees the overall bearing capacity, and has the advantages of convenient processing and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic view in the embodiment of the utility model;

[0015] Mark explanation: 1, primary support, 2, arch column, 3, slotted strip plate, 4, push rod, 4A, positioning hole, 5, connecting plate, 6, pad plate. DETAILED DESCRIPTION

[0016] The utility model will be further introduced in combination with the drawings and specific embodiments:

[0017] Embodiment:

[0018] Reference Figure 1The embodiment provides a double telescopic airborne temporary support first auxiliary roof support; it includes two oppositely arranged first support columns 1; the first support column 1 is a hollow columnar structure, and a plurality of arch columns 2 are connected between the opposite end faces of the two first support columns 1; the through-slot strip plate 3 is arranged on the opposite end faces of the two first support columns 1; the push rod 4 is further arranged at the other end of the through-slot strip plate 3; the first support column 1 and the push rod 4 are parallel; the positioning hole 4A is formed at the front position of the middle part of the push rod 4; the second hydraulic rod is installed in the first support column 1; the fixed end of the second hydraulic rod is installed at the tail position of the first support column 1, and the extending end extends from the front side of the first support column 1.

[0019] The arch column 2 is internally hollow, and the cross section is an arc-shaped column body structure in square shape; the arch column 2 is provided with three, and is arranged at the front end, the tail end and the rear position of the middle part of the first support column 1.

[0020] The upper rib plate or the lower rib plate is arranged at the position where the arch column 2 and the first support column 1 are connected; the connecting plate 5 is further arranged on the side end face of the tail of each first support column 1; the connecting plate 5 and the upper rib plate or the lower rib plate are independent structures without interfering with each other; the positioning through hole is formed in the connecting plate 5 and the first support column 1, and the fixed end of the second hydraulic rod is installed at the positioning through hole through bolt members. The connecting plate in the embodiment is a flange-shaped component.

[0021] Two C-shaped protective buckle plates are symmetrically arranged on the rear side end face of the arch column 2 at the tail end position of the first support column 1.

[0022] The through-slot strip plate 3 is arranged at the middle position of the opposite end faces of the push rod 4 and the first support column 1, and the length of the through-slot strip plate 3 is not less than half of the length of the first support column 1 and not more than three quarters of the length of the first support column 1.

[0023] The push rod 4 is a hollow columnar structure with a cross section similar to the cross section shape of the first support column 1, and the rod diameter of the push rod 4 is smaller than the column diameter of the first support column 1; the length of the push rod 4 is consistent with the length of the first support column 1.

[0024] The pad 6 is arranged on the outer side end face of the tail of the push rod 4 and the inner cavity end side face of the front end of the first support column 1.

[0025] In the embodiment, the utility model device is a rigid structure as a whole except the second hydraulic rod installed in the first support column, and when the device is used, the main roof support and the second roof support are only needed to be installed and connected respectively.

Claims

1. A double telescoping airborne temporary support subkingpost, characterized by: It includes two oppositely arranged primary support columns (1); the primary support column (1) is a hollow columnar structure, a plurality of arch columns (2) are connected between the opposite end faces of the two primary support columns (1); the through-slotted strip plate (3) is arranged on the opposite end faces of the two primary support columns (1); the push rod (4) is further arranged on the other end of the through-slotted strip plate (3); the primary support column (1) and the push rod (4) are parallel; the positioning hole (4A) is opened at the front position of the middle part of the push rod (4); the secondary hydraulic rod is installed in the primary support column (1); the fixed end of the secondary hydraulic rod is installed at the tail position of the primary support column (1), and the extending end extends from the front side of the primary support column (1).

2. A two-stage telescopic airborne temporary support sub-kingpin according to claim 1, characterized in that: The arch column (2) is a hollow arc-shaped column structure with a square cross section; three arch columns (2) are arranged at the front end, the tail end and the rear position of the middle part of the primary support column (1) respectively.

3. A two-stage telescoping airborne temporary support sub-kingpin according to claim 2, characterized in that: The upper rib plate or the lower rib plate is arranged at the joint position of the arch column (2) and the primary support column (1); the connecting plate (5) is further arranged on the side end face of the tail of each primary support column (1); the connecting plate (5) and the upper rib plate or the lower rib plate are independent structures without mutual interference; the positioning through hole is opened on the connecting plate (5) and the primary support column (1), and the fixed end of the secondary hydraulic rod is installed at the positioning through hole through the bolt.

4. A two-stage telescopic airborne temporary support sub-kingpost according to claim 1 or 2, characterized in that: Two C-shaped protective buckle plates are symmetrically arranged on the rear end face of the arch column (2) at the tail end position of the primary support column (1).

5. A two-stage telescopic airborne temporary support sub-kingpin according to claim 1, characterized in that: The through-slotted strip plate (3) is arranged at the middle position of the opposite end faces of the push rod (4) and the primary support column (1), and the length of the through-slotted strip plate (3) is not less than half of the length of the primary support column (1) and not more than three quarters of the length of the primary support column (1).

6. A two-stage telescoping airborne temporary support sub-kingpin according to claim 1, characterized in that: The push rod (4) is a hollow columnar structure with a cross section similar to the cross section shape of the primary support column (1), and the rod diameter of the push rod (4) is smaller than the column diameter of the primary support column (1); the length of the push rod (4) is consistent with the length of the primary support column (1).

7. A two-stage telescopic airborne temporary support sub-kingpin according to claim 1, characterized in that: The gasket (6) is arranged on the outer end face of the tail of the push rod (4) and the inner cavity end side face of the front end of the primary support column (1).

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