阅读说明：本技术 一种托梁器及掘进机 (Joist device and heading machine ) 是由 佟巍 廉浩 席亚兵 于 2021-08-24 设计创作，主要内容包括：本发明公开了一种托梁器及掘进机,主要通过设置第一限位组件,在托梁臂处于承托钢梁的工作状态时,与掘进机本体配合限制托梁臂的旋转,保证托梁臂位置稳定而不发生翻转,保证生产安全。本发明的主要技术方案为：一种托梁器,包括：托梁臂(1)和限位座(2)；限位座(2)用于固定于掘进机本体(100)上,托梁臂(1)的一端铰接在限位座(2)上,托梁臂(1)的另一端悬置,限位座(2)上设置有第一限位组件(3),第一限位组件(3)与掘进机本体(100)由托梁臂(1)相对两侧抵触托梁臂(1),将托梁臂(1)固定在第一转动位置,其中,第一转动位置为托梁臂(1)另一端能够承托钢梁的位置。本发明主要用于巷道钢梁支护。(The invention discloses a joist device and a heading machine, which are mainly characterized in that a first limiting component is arranged, when a joist arm is in a working state of bearing a steel beam, the joist arm is matched with a heading machine body to limit the rotation of the joist arm, the position stability of the joist arm is ensured, the joist arm is not overturned, and the production safety is ensured. The main technical scheme of the invention is as follows: a joist machine comprising: a supporting beam arm (1) and a limiting seat (2); spacing seat (2) are used for being fixed in on entry driving machine body (100), the one end of joist arm (1) articulates on spacing seat (2), the other end suspension of joist arm (1), be provided with first spacing subassembly (3) on spacing seat (2), first spacing subassembly (3) and entry driving machine body (100) are by the relative both sides conflict joist arm (1) of joist arm (1), fix joist arm (1) in first rotational position, wherein, first rotational position is the position that the other end of joist arm (1) can bearing the girder steel. The invention is mainly used for roadway steel beam support.)

1. A joist machine, comprising:

a supporting beam arm (1) and a limiting seat (2);

the limiting seat (2) is used for being fixed on a heading machine body (100), one end of the beam supporting arm (1) is hinged to the limiting seat (2), and the other end of the beam supporting arm (1) is suspended;

the limiting seat (2) is provided with a first limiting assembly (3), and when the beam supporting arm (1) is at a first rotating position, the first limiting assembly (3) and the heading machine body (100) are abutted against and fixed on the beam supporting arm (1) through two opposite sides of the beam supporting arm (1) respectively;

the first rotating position is a position where the other end of the supporting beam arm (1) can support a steel beam.

2. The joist device of claim 1,

the limiting seat (2) comprises a pair of connecting plates (20) which are parallel to each other and are spaced by a certain distance, the beam supporting arm (1) is arranged between the pair of connecting plates (20) and is hinged to the pair of connecting plates (20), the first limiting assembly (3) comprises a first limiting hole (31) and a second limiting hole (32) which are arranged on the pair of connecting plates (20) correspondingly and a first limiting column (33) which is detachably connected with the first limiting hole (31) and the second limiting hole (32) in a penetrating mode, when the beam supporting arm (1) is in a first rotating position, the first limiting column (33) and the tunneling machine body (100) are clamped and fixed on the two opposite sides of the beam supporting arm (1) through the beam supporting arm (1).

3. The joist device of claim 2,

the connecting plate (20) and the supporting beam arm (1) are respectively provided with a second limiting assembly (4) which are matched with each other, the second limiting assembly (4) is used for fixing the supporting beam arm (1) at a second rotating position, and the second rotating position is the accommodating position of the supporting beam arm (1).

4. The joist device of claim 3,

the second limiting assembly (4) comprises a third limiting hole (41) and a fourth limiting hole (42) which are arranged on the pair of connecting plates (20) correspondingly respectively, a fifth limiting hole (43) arranged on the joist arm (1), and a second limiting column (44) connected to the third limiting hole (41), the fourth limiting hole (42) and the fifth limiting hole (43) in a penetrating mode.

5. The joist device of claim 4,

the limiting base (2) is further provided with a limiting plate (21) which is located between the pair of connecting plates (20) and perpendicular to the connecting plates (20), and when the beam supporting arm (1) rotates to the second rotating position, the limiting plate (21) supports the beam supporting arm (1).

6. The joist device of claim 5,

the first limiting hole (31) and the third limiting hole (41) are arranged on the same connecting plate (20) and are arranged at two ends of one side, back to the heading machine body (100), of the connecting plate (20);

the second limiting hole (32) and the fourth limiting hole (42) are arranged on the same connecting plate (20) and arranged at two ends of one side, back to the heading machine body (100), of the connecting plate (20).

7. The joist device of claim 2,

the limiting seat (2) further comprises a pair of bottom plates, the bottom plates and the connecting plate (20) are vertically connected and respectively connected to the reinforcing plate, and the limiting seat (2) is connected with the heading machine body (100) through the bottom plates.

8. The joist device of claim 1,

one side, opposite to the heading machine (100), of the beam supporting arm (1) is provided with a support frame (5), and when the beam supporting arm (1) is located at a first relative rotation position, the support frame (5) is abutted to the surface of the heading machine body (100).

9. The joist device of claim 8,

support frame (5) include first backup pad (51), second backup pad (52) and a pair of baffle (53), first backup pad (51) with second backup pad (52) parallel arrangement just by a pair of baffle (53) are connected, and first backup pad (51), second backup pad (52) and a pair of baffle (53) enclose into the square cavity, first backup pad (51) with second backup pad (52) with joist arm (1) is the body structure.

10. A heading machine comprising a joist apparatus as claimed in any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of mining, in particular to a joist device and a heading machine.

Background

The heading machine is used for digging a roadway in underground operation of a coal mine, the joist is used for supporting a steel beam of the roadway and is an important component of the heading machine, the joist is arranged above a cutting part of the heading machine, the steel beam to be fixed is fixed on the steel beam support of the joist during working, and the steel beam is lifted to a position needing to be supported in the roadway by lifting of the cutting part.

The joist ware can be rotatory relatively cutting unit, realizes the position switching when joist ware operating condition and idle receiving state, nevertheless lifts the girder steel in-process, lifts too high or when the operation is improper when cutting unit, and the joist ware is easy because of the too big upset that takes place of rotation angle, causes casualties and equipment damage.

Disclosure of Invention

In view of this, the embodiment of the present invention provides a joist device and a heading machine, which mainly include a first limiting component, and when the joist arm is in a working state of supporting a steel beam, the first limiting component cooperates with a heading machine body to limit rotation of the joist arm, so as to ensure that the joist arm is stable in position and does not turn over, and ensure production safety.

In order to achieve the purpose, the invention mainly provides the following technical scheme:

in one aspect, an embodiment of the present invention provides a joist device, including:

a supporting beam arm (1) and a limiting seat (2);

spacing seat (2) are used for being fixed in on entry driving machine body (100), the one end of joist arm (1) articulates on spacing seat (2), the other end suspension of joist arm (1), be provided with first spacing subassembly (3) on spacing seat (2), when joist arm (1) when first rotational position, fixed joist arm (1) is contradicted by the relative both sides in joist arm (1) in first spacing subassembly (3) and entry driving machine body (100), wherein, first rotational position is the position that the joist arm (1) other end can bearing the girder steel.

Preferably, spacing seat (2) include a pair of connecting plate (20) that are parallel to each other and a distance apart, joist arm (1) sets up between a pair of connecting plate (20), and articulated with a pair of connecting plate (20), first spacing subassembly (3) are including setting up corresponding first spacing hole (31) and the spacing hole of second (32) on a pair of connecting plate (20) respectively, and cross-under in first spacing post (33) of first spacing hole (31) and the spacing hole of second (32), when joist arm (1) at first rotational position, fixed joist arm (1) is pressed from both sides by the relative both sides clamp of joist arm (1) in first spacing post (33) and entry driving machine body (100).

Preferably, the connecting plate (20) and the joist arm (1) are respectively provided with a second limiting component (4) which is matched with each other, the second limiting component (4) is used for fixing the joist arm (1) at a second rotating position, and the second rotating position is the accommodating position of the joist arm (1).

Preferably, the second limiting component (4) comprises a third limiting hole (41) and a fourth limiting hole (42) which are respectively arranged on the pair of connecting plates (20) and correspond to each other, a fifth limiting hole (43) arranged on the joist arm (1), and a second limiting column (44) penetrating through the third limiting hole (41), the fourth limiting hole (42) and the fifth limiting hole (43).

Preferably, the limiting seat (2) is further provided with a limiting plate (21) which is located between the pair of connecting plates (20) and perpendicular to the connecting plates (20), and when the joist arm (1) rotates to the second rotating position, the limiting plate (21) supports the joist arm (1).

Preferably, the first limiting hole (31) and the third limiting hole (41) are arranged on the same connecting plate (20) and are arranged at two ends of one side, back to the heading machine body (100), of the connecting plate (20);

the second limiting hole (32) and the fourth limiting hole (42) are arranged on the same connecting plate (20) and are arranged at two ends of one side, back to the heading machine body (100), of the connecting plate (20).

Preferably, the limiting seat (2) further comprises a pair of bottom plates, a group of bottom plates and the connecting plate (20) are vertically connected and respectively connected to the reinforcing plate, and the limiting seat (2) is connected with the heading machine body (100) through the bottom plates.

Preferably, a support frame (5) is arranged on one side, opposite to the heading machine (100), of the joist arm (1), and when the joist arm (1) is located at the first relative rotation position, the support frame (5) abuts against the surface of the heading machine body (100).

Preferably, the support frame (5) comprises a first support plate (51), a second support plate (52) and a pair of baffles (53), the first support plate (51) and the second support plate (52) are arranged in parallel and connected through the pair of baffles (53), the first support plate (51), the second support plate (52) and the pair of baffles (53) enclose a square cavity, and the first support plate (51) and the second support plate (52) and the support beam arm (1) are of an integral structure.

On the other hand, the embodiment of the invention also provides a heading machine which is characterized by comprising the joist device.

According to the joist device and the heading machine provided by the embodiment of the invention, the first limiting component is mainly arranged, so that when the joist arm is in a working state of bearing a steel beam, the joist arm is matched with the heading machine body to limit the rotation of the joist arm, the position stability of the joist arm is ensured, the joist arm is not overturned, and the production safety is ensured. Among the prior art, the joist ware can rotate relative cutting units, and at the lifting girder steel in-process, when cutting units lifted too high or when the operation was improper, the joist ware took place the upset because of rotation angle is too big easily, causes casualties and equipment damage. Compared with the prior art, in this application document, when the joist arm rotates to the working state, the joist arm is lapped on the heading machine body, and through setting the first limiting assembly on one side of the heading machine body, the joist arm is clamped and limited by the heading machine body and the first limiting assembly, so that the stability of the position of the joist arm in the rotating direction is ensured, and the situation that the joist arm rotates towards the direction far away from the heading machine body without limitation and is turned over to cause construction accidents is avoided.

Drawings

Fig. 1 is a schematic structural diagram of a joist device provided in an embodiment of the present invention at a first viewing angle;

FIG. 2 is a schematic structural view of a joist device according to an embodiment of the present invention at a second viewing angle;

FIG. 3 is a schematic structural view of a joist device according to an embodiment of the present invention at a third viewing angle;

fig. 4 is a schematic structural diagram of a joist device provided in an embodiment of the present invention in a storage state;

fig. 5 is a schematic structural view of a limiting seat according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a heading machine according to an embodiment of the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given of specific embodiments, structures, features and effects of the joist device and the heading machine according to the present invention with reference to the accompanying drawings and preferred embodiments.

In one aspect, as shown in fig. 1 to 6, an embodiment of the present invention provides a joist device, including:

a supporting beam arm (1) and a limiting seat (2);

spacing seat (2) are used for being fixed in on entry driving machine body (100), the one end of joist arm (1) articulates on spacing seat (2), the other end suspension of joist arm (1), be provided with first spacing subassembly (3) on spacing seat (2), first spacing subassembly (3) and entry driving machine body (100) are by the relative both sides conflict joist arm (1) of joist arm (1), fix joist arm (1) in first rotational position, wherein, first rotational position is the position that the other end of joist arm (1) can bearing the girder steel.

Wherein, spacing seat (2) are fixed in cutting units's flexible protection barrel (200) on, hold in the palm beam arm (1) whole is rectangular form, and one end rotates to be connected in spacing seat (2), and other end suspension is used for placing the girder steel that needs lift, and hold in the palm beam arm (1) can be for cutting units to rotate on cutting units lifting plane (this embodiment definition is vertical plane), can realize the switching of joist ware operating condition and accepting state through holding in the palm beam arm (1) rotation. For convenience of description, the structure of the joist device is described by using the placement position of the joist device in the actual working state: the joist arm (1) is rotatable in a vertical plane, as shown in figure 5, when the joist device is in operation, the middle section of the beam supporting arm (1) is supported by the cutting part, the beam supporting arm (1) extends from the connecting part to the direction of the cutting head, and is inclined upwards relative to the cutting part, the suspension end of the joist supporting arm (1) is positioned above the cutting part, the suspension end of the joist supporting arm (1) is provided with a U-shaped joist port (11), a steel beam to be lifted is placed in the joist port, when the joist device is in a working state, the opening direction of a joist port faces to the oblique upper side, the first limiting component (3) is arranged above the joist arm (1) and props against the joist arm (1), the first limiting component (3) and the cutting part prop against the joist arm (1) above and below the joist arm (1) respectively, so that the joist arm (1) is limited from rotating on a vertical plane, and the joist arm (1) is limited; when the joist device is in a storage state, as shown in fig. 6, an operator takes down the first limiting assembly (3), turns over the joist arm (1) to the rear side relative to the cutting head, the joist arm (1) rotates to a storage position in a vertical plane, the opening direction of the joist mouth (11) faces to the oblique lower side at the moment, and the fixation of the joist arm (1) in the storage position will be described in detail later. First spacing subassembly (3) and entry driving machine body (100) cooperation carry out the spacing mode of joist arm (1) centre gripping, with the help of entry driving machine body (100), spacing intensity is bigger, need not to process the through-hole on joist arm (1), reduces the destruction of many joist arms (1) structure, guarantees the mechanical strength of joist arm (1).

According to the joist device and the heading machine provided by the embodiment of the invention, the first limiting component is mainly arranged, so that when the joist arm is in a working state of bearing a steel beam, the joist arm is matched with the heading machine body to limit the rotation of the joist arm, the position stability of the joist arm is ensured, the joist arm is not overturned, and the production safety is ensured. Among the prior art, the joist ware can rotate relative cutting units, and at the lifting girder steel in-process, when cutting units lifted too high or when the operation was improper, the joist ware took place the upset because of rotation angle is too big easily, causes casualties and equipment damage. Compared with the prior art, in this application document, when the joist arm rotates to the working state, the joist arm is lapped on the heading machine body, and through setting the first limiting assembly on one side of the heading machine body, the joist arm is clamped and limited by the heading machine body and the first limiting assembly, so that the stability of the position of the joist arm in the rotating direction is ensured, and the situation that the joist arm rotates towards the direction far away from the heading machine body without limitation and is turned over to cause construction accidents is avoided.

First spacing subassembly (3) can be the multiform, aims at can spacing to joist arm (1) in vertical direction, and this embodiment specifically adopts following structure: spacing seat (2) include a pair of connecting plate (20) that are parallel to each other and a distance of interval, joist arm (1) sets up between a pair of connecting plate (20), and articulated with a pair of connecting plate (20), first spacing subassembly (3) are including setting up corresponding first spacing hole (31) and the spacing hole of second (32) on a pair of connecting plate (20) respectively, and cross-under in first spacing post (33) of first spacing hole (31) and the spacing hole of second (32), when joist arm (1) at first rotational position, fixed joist arm (1) is closed by the relative both sides clamp of joist arm (1) in first spacing post (33) and entry driving machine body (100).

The two connecting plates (20) have the same structure, and the structure of one of the connecting plates (20) is described below as an example. The connecting plate (20) is of a trapezoidal plate-shaped structure, the upper bottom edge of the connecting plate is connected to the telescopic protection cylinder (200) of the heading machine body (100), and the first limiting hole (31) is formed in one corner, close to the lower bottom edge and in the direction of the cutting head, of the connecting plate (20). The hinge joint that is used for articulating in connecting plate (20) is equipped with to hold in the palm beam arm (1) one end, is provided with the hinge hole on connecting plate (20), inserts hinge hole and hinge joint through articulated bolt (6) and realizes that hold in the palm beam arm (1) one end articulates in spacing seat (2), still overlaps on articulated bolt (6) between hinge hole and the hinge hole to be equipped with spacer (61), and spacer (61) are used for fixed relative articulated bolt (6) axial position of hinge joint. Wherein, the hinge hole sets up in connecting plate (20) and is close to the central point position, and joist arm (1) one end articulates in spacing seat (2) back, and the first spacing hole (31) position will be passed through to the upper edge of the joist arm (1) of slope to the top in an oblique direction, realizes behind first spacing hole (31) of first spacing post (33) cross-under and the spacing hole (32) of second, and first spacing post (33) are contradicted and are followed on joist arm (1), realize the location to joist arm (1). The first limiting column (33) is detachably connected with the first limiting hole (31) and the second limiting hole (32).

The connecting plate (20) and the joist arm (1) are respectively provided with a second limiting component (4) which is matched with each other, the second limiting component (4) is used for fixing the joist arm (1) at a second rotating position, and the second rotating position is a storage position of the joist arm (1). When the joist arm (1) is idle, the first limiting column (33) is removed, the joist arm (1) is turned backwards to the second rotating position and then fixed, and the storage is realized. Specifically, the second limiting component (4) comprises a third limiting hole (41) and a fourth limiting hole (42) which are arranged on the pair of connecting plates (20) correspondingly respectively, a fifth limiting hole (43) arranged on the joist arm (1), and a second limiting column (44) connected with the third limiting hole (41), the fourth limiting hole (42) and the fifth limiting hole (43) in a penetrating mode.

During the use, hold in the palm beam arm (1) and rotate to the spacing hole of fifth (43) and spacing hole of third (41) and fourth (42) corresponding position, hold in the palm beam arm (1) with the hand and keep, and insert spacing post (44) of second in spacing hole of third (41), spacing hole of fourth (42) and the spacing hole of fifth (43), realize that hold in the palm beam arm (1) is fixed at the position of accomodating, however because hold in the palm beam arm (1) heavier, and the spacing hole accuracy of manual alignment is not high, therefore hold in the palm beam arm (1) fixed process operation more loaded down with trivial details, in view of this, propose following technical scheme:

and the limiting seat (2) is also provided with a limiting plate (21) which is positioned between the pair of connecting plates (20) and is perpendicular to the connecting plates (20), and when the joist arm (1) rotates to the second rotating position, the limiting plate (21) supports the joist arm (1). The supporting beam arm (1) is turned over manually until being overlapped on the limiting plate (21), at the moment, the fifth limiting hole (43) and the third limiting hole (41) and the fourth limiting hole (42) are located on the same axis, the supporting beam arm (1) is located conveniently, the supporting beam arm is overlapped behind the limiting plate (21), manual lifting is not needed, the supporting beam arm can be supported by the limiting plate (21), operation is convenient and rapid, and time and labor are saved.

Preferably, the first limiting hole (31) and the third limiting hole (41) are arranged on the same connecting plate (20) and are arranged at two ends of one side, back to the heading machine body (100), of the connecting plate (20);

the second limiting hole (32) and the fourth limiting hole (42) are arranged on the same connecting plate (20) and are arranged at two ends of one side, back to the heading machine body (100), of the connecting plate (20).

The structure of the connecting plate (20) is still described by taking one of the connecting plates (20) as an example, the connecting plate (20) is of a trapezoidal plate-shaped structure, the upper bottom edge of the connecting plate is connected to the telescopic protection cylinder (200) of the heading machine body (100), the first limiting hole (31) and the third limiting hole (41) are respectively arranged on the connecting plate (20) in two directions close to the lower bottom edge, and the limiting plate (21) is close to the central position of the connecting plate (20), so that the position of the second limiting column (44) is far away from the position where the beam supporting arm (1) is hinged with the limiting seat (2) as far as possible and is close to the suspension end of the beam supporting arm (1), and according to the lever principle, the arrangement mode enables the pressure borne by the second limiting column (44) to be reduced, and the safety of the second limiting column (44) is improved.

The limiting seat (2) comprises a connecting plate (20) and a pair of bottom plates (22), one connecting plate (20) and one bottom plate (22) are used as a group, the group of bottom plates (22) and the connecting plate (20) are vertically connected and are respectively connected to a reinforcing plate (23), and the limiting seat (2) is connected with the heading machine body (100) through the bottom plates (22).

Reinforcing plate (23) are triangle-shaped metal sheet, and its two right-angle sides weld respectively in bottom plate (22) and connecting plate (20), and limiting seat (2) structural strength can be strengthened in reinforcing plate (23). The bottom plate (22) is provided with eight screw holes and is in threaded connection with the telescopic protection cylinder body (200) through bolts.

The existing beam supporting device is not provided with a support, when the beam supporting device is in a working state, a beam supporting arm (1) is in lap joint with an annular nozzle frame body of a heading machine body (100), so that the beam supporting device is unstable when lifting a steel beam, and the annular nozzle frame body is damaged by large pressure. In order to solve the problems, a support frame (5) is arranged on one side, opposite to the heading machine (100), of the beam supporting arm (1), and when the beam supporting arm (1) is located at a first relative rotating position, the support frame (5) abuts against the surface of the heading machine body (100).

Through increasing support frame (5), by support frame (5) overlap joint in the flexible protection barrel (200) top of cutting units, the support intensity of joist arm (1) is bigger, and can not destroy the annular nozzle support body. Specifically, support frame (5) include first backup pad (51), second backup pad (52) and a pair of baffle (53), and first backup pad (51) and second backup pad (52) parallel arrangement just are connected by a pair of baffle (53), and first backup pad (51), second backup pad (52) and a pair of baffle (53) enclose into the square cavity, and first backup pad (51) and second backup pad (52) and joist arm (1) are structure as an organic whole.

The supporting frame (5) adopts a square cavity structure, so that the structural strength of the supporting frame (5) is greatly increased, the stability of the machine body is improved, and the safety use performance is increased.

In addition, rubber plates (111) are laid on the bottom surfaces of the beam supporting openings (11), steel beams to be lifted are placed above the rubber plates (111), and abrasion caused by rigid contact between the beam supporting openings (11) and the steel beams is avoided.

On the other hand, as shown in fig. 5, the embodiment of the invention also provides a heading machine, which is characterized by comprising the joist device as described in any one of the above, and has the characteristics and advantages of the joist device, which are not described in detail herein.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.