阅读说明：本技术 一种修井机专用底盘动力机组护罩 (Chassis power unit shield special for workover rig ) 是由 刘文兵 周昌盛 张明辉 于 2018-06-22 设计创作，主要内容包括：本发明公开了一种修井机专用底盘动力机组护罩,包括：呈台阶状的发动机罩体和变速箱罩体,发动机罩体和变速箱罩体的底部均安装有上连接支架,修井机专用底盘车架上安装有下连接支架,上连接支架和下连接支架通过紧固组件固定；发动机罩体和变速箱罩体的侧面均设有多个护罩门,护罩门的底部设有插销,发动机罩体和变速箱罩体上相对应插销设有插孔；护罩门的顶部设有用于将护罩门锁紧在发动机罩体或变速箱罩体上的门锁。本发明的动力机组护罩可实现对动力机组的有效防护,动力机组护罩可防护动力机组免受绳索的碰撞及油渍的污染；采用插销式的护罩门,打开时无需占用更多外围空间,空间利用好,台阶式护罩设计空间利用好。(The invention discloses a special chassis power unit shield for a workover rig, which comprises: the special chassis frame for the workover rig is provided with a lower connecting support, and the upper connecting support and the lower connecting support are fixed through a fastening assembly; the side surfaces of the engine cover body and the gearbox cover body are respectively provided with a plurality of shield doors, the bottoms of the shield doors are provided with bolts, and the engine cover body and the gearbox cover body are provided with jacks corresponding to the bolts; the top of the shield door is provided with a door lock used for locking the shield door on the engine cover body or the gearbox cover body. The power unit protective cover can effectively protect the power unit, and can protect the power unit from rope collision and oil stain pollution; the bolt type shield door is adopted, more peripheral space is not required to be occupied when the shield door is opened, the space utilization is good, and the design space of the stepped shield is good.)

1. The utility model provides a special chassis power unit guard shield of workover rig which characterized in that includes: an engine cover and a transmission cover;

the engine cover body and the gearbox cover body are of step-shaped structures, upper connecting supports are mounted at the bottoms of the engine cover body and the gearbox cover body, a lower connecting support is mounted on a chassis frame special for the workover rig, and the upper connecting support and the lower connecting support are fixed through fastening components;

the side surfaces of the engine hood body and the gearbox hood body are respectively provided with a plurality of hood doors, the bottoms of the hood doors are provided with bolts, and the engine hood body and the gearbox hood body are provided with jacks corresponding to the bolts; and a door lock used for locking the shield door on the engine hood body or the gearbox hood body is arranged at the top of the shield door.

2. The workover rig specific chassis power pack shield of claim 1, wherein the rear sides of the engine housing and the transmission housing are provided with protective screens.

3. The workover rig specific chassis power unit shield as claimed in claim 1, wherein the upper connection bracket and the lower connection bracket are both U-shaped bent pieces, the upper connection bracket is welded and fixed to the engine cover body or the transmission case body, and the lower connection bracket is welded and fixed to the workover rig specific chassis frame.

4. The workover rig specific chassis power pack shield of claim 3, wherein the fastening components are bolts.

5. The power unit shield for a chassis dedicated for a workover rig of claim 1, wherein the shield door is provided with louvers and a handle.

6. The workover rig specific chassis power pack shield of claim 1, wherein 2 bolts are welded and fixed to the bottom of each shield door.

7. The workover rig specific chassis power pack shield of claim 1, wherein the door lock includes a T-handle and a locking dog that catches the engine housing or transmission housing when the T-handle is rotated 90 ° clockwise; when the T-shaped handle rotates 90 degrees anticlockwise, the lock tongue is unlocked with the engine cover body or the gearbox cover body.

Technical Field

The invention relates to the technical field of special vehicles for oil fields, in particular to a special chassis power unit shield for a workover rig for the oil field workover rig.

Background

The oil field well repairing machine is a special device for long-term exploitation in oil fields, the environment is severe, a power unit on a special chassis of the well repairing machine is a core precise component of the device, and the device can be effectively protected to ensure better and more stable operation.

The power unit shield is a device for shielding and protecting a power unit on a special vehicle platform. The power unit protective cover of the chassis special for the existing oil field workover rig is mostly integral, and the space utilization is not good; the shield door is of a hinge type, so that peripheral parts of the power unit cannot be installed on the outer side of the shield, and the space utilization is poor.

Disclosure of Invention

Aiming at the defects in the problems, the invention provides the chassis power unit shield special for the workover rig, which solves the problems of shielding protection, effective ventilation, surrounding space and the like of the power unit.

The invention discloses a special chassis power unit shield for a workover rig, which comprises: an engine cover and a transmission cover;

the engine cover body and the gearbox cover body are of step-shaped structures, upper connecting supports are mounted at the bottoms of the engine cover body and the gearbox cover body, a lower connecting support is mounted on a chassis frame special for the workover rig, and the upper connecting support and the lower connecting support are fixed through fastening components;

the side surfaces of the engine hood body and the gearbox hood body are respectively provided with a plurality of hood doors, the bottoms of the hood doors are provided with bolts, and the engine hood body and the gearbox hood body are provided with jacks corresponding to the bolts; and a door lock used for locking the shield door on the engine hood body or the gearbox hood body is arranged at the top of the shield door.

As a further improvement of the invention, protective nets are arranged on the rear sides of the engine cover body and the gearbox cover body.

As a further improvement of the invention, the upper connecting support and the lower connecting support are both U-shaped bent pieces, the upper connecting support is welded and fixed with the engine cover body or the gearbox cover body, and the lower connecting support is welded and fixed with the chassis frame special for the workover rig.

As a further improvement of the invention, the fastening member is a bolt.

As a further improvement of the invention, the shield door is provided with a heat dissipation hole and a handle.

As a further improvement of the invention, 2 bolts are welded and fixed at the bottom of each shield door.

As a further improvement of the invention, the door lock comprises a T-shaped handle and a bolt, and when the T-shaped handle rotates 90 degrees clockwise, the bolt is clamped with the engine cover body or the gearbox cover body; when the T-shaped handle rotates 90 degrees anticlockwise, the lock tongue is unlocked with the engine cover body or the gearbox cover body.

Compared with the prior art, the invention has the beneficial effects that:

the power unit protective cover can effectively protect the power unit, so that the workover rig can work better and more stably;

the power unit protective cover can protect the power unit from being collided by ropes and polluted by oil stains;

the invention adopts the bolt type shield door, does not need to occupy more peripheral space when being opened, and has good space utilization and good design space utilization of the stepped shield.

Drawings

FIG. 1 is a side view of a power pack housing of a chassis dedicated for a workover rig according to an embodiment of the present disclosure;

FIG. 2 is a rear view of a power pack housing of a chassis dedicated for a workover rig in accordance with an embodiment of the present disclosure;

FIG. 3 is a top view of a power pack shield of a chassis dedicated for a workover rig in accordance with an embodiment of the present disclosure;

FIG. 4 is a block diagram of a shield door according to one embodiment of the disclosure;

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a schematic view of A-A in FIG. 1;

FIG. 7 is an enlarged view of FIG. 1 at B;

fig. 8 is an enlarged view of fig. 2 at C.

In the figure:

10. an engine cover body; 20. a gearbox cover body; 30. a shield door; 31. heat dissipation holes; 32. a door lock; 321. a T-shaped handle; 322. a latch bolt; 33. a handle; 34. a bolt; 40. an upper connecting bracket; 50. a lower connecting bracket; 60. a fastening assembly; 70. and (4) a protective net.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention is described in further detail below with reference to the attached drawing figures:

as shown in fig. 1-3, the present invention provides a chassis power unit shield for a workover rig, comprising: the engine cover 10, the transmission cover 20, the shroud door 30, the upper connecting bracket 40, the lower connecting bracket 50, the fastening assembly 60 and the protective net 70; wherein:

the engine cover body 10 and the gearbox cover body 20 of the invention cover the engine and the gearbox respectively; the engine cover 10 and the gearbox cover 20 are in step-shaped structures, the two-section cover structure shown in fig. 1 can well utilize the height difference between the engine and the gearbox, the gearbox cover with a lower height at the rear side can be used for placing the peripheral equipment of the engine, and the space is better utilized.

As shown in fig. 6-8, the bottom of the engine cover 10 and the bottom of the transmission cover 20 of the present invention are both provided with an upper connecting bracket 40, the chassis frame special for the workover rig is provided with a lower connecting bracket 50, and the upper connecting bracket 40 and the lower connecting bracket 50 are fixed by a fastening assembly 60; specifically, the method comprises the following steps: the upper connecting support 40 and the lower connecting support 50 are both U-shaped bending pieces, the upper connecting support 40 is fixedly welded with the engine cover body 10 or the gearbox cover body 20, and the lower connecting support 50 is fixedly welded with a special chassis frame for the workover rig; the fastening assembly 60 may be a bolt, and the upper connecting bracket 40 and the lower connecting bracket 50 are fixedly connected by the bolt, so that the engine housing 10 and the transmission housing 20 are mounted on the chassis frame special for the workover rig.

As shown in fig. 4-5, the engine housing 10 and the transmission housing 20 of the present invention are provided with a plurality of shroud doors 30 on the side surfaces thereof, that is, 4 shroud doors 30 are provided on the engine housing 10 and 2 shroud doors 30 are provided on the transmission housing 20 as shown in fig. 1. Each shield door 30 is provided with a heat dissipation hole 31, a door lock 32, a handle 33 and a bolt 34, the bottom of the shield door 30 is provided with the bolt 34, the engine shield body 10 and the gearbox shield body 20 are provided with insertion holes corresponding to the bolts 34, and the bolt 34 of the shield door 30 is correspondingly inserted into the insertion holes to realize the limit fixation of the lower end of the shield door 30 and the shield body; the top of the shield door 30 is provided with a door lock 32 for locking the shield door 30 on the engine cover 10 or the gearbox cover 20; the door lock 32 is a conventional component and therefore its structure will not be described in detail herein; the door lock 32 comprises a T-shaped handle 321 and a bolt 322, and when the T-shaped handle 321 rotates clockwise by 90 degrees, the bolt 322 is clamped with the engine cover body 10 or the gearbox cover body 20; conversely, when the T-handle 321 is rotated 90 ° counterclockwise, the latch tongue 322 is unlocked from the engine housing 10 or the transmission housing 20, and the other hand holds the handle 33 below the lock, tilting the shroud door 30 outward and lifting upward, thereby opening the shroud door 30. This manner of opening the shroud door 30 saves space on both sides of the shroud, which is particularly important for mobile work equipment where space is limited. As indicated by the rotational arrows shown in fig. 4 and 5.

Further, protective nets 70 are arranged on the rear sides of the engine cover body 10 and the gearbox cover body 20, notches for extending out of an output shaft of the gearbox are formed in the protective nets, and the protective nets 70 are used for preventing personnel from being safe in the operation process of the whole machine.

Furthermore, 2 bolts 34 are welded and fixed at the bottom of each shield door 30, and the top surfaces of the engine cover body 10 and the transmission case body 20 are provided with hanging rings.

Because the oil field workover rig is special equipment for long-term exploitation in an oil field and has a severe environment, a power unit on a special chassis of the workover rig is a core precise component of the equipment, and the power unit can effectively protect the equipment and ensure better and more stable operation of the equipment; the power unit protective cover can effectively protect the power unit, so that the workover rig can work better and more stably; because the derrick and the rope are arranged above the power unit of the oil field workover rig, lubricating oil is arranged on the derrick and the rope; the power unit protective cover can protect the power unit from being collided by ropes and polluted by oil stains; the bolt type shield door is adopted, so that more peripheral space is not required to be occupied when the door is opened, and the space utilization is good; the stepped shield structure design of the engine shield body and the gearbox shield body has good space utilization.

The invention has been practically applied to the special chassis of the oil field workover rig, and various use requirements of users are met through road test and loading operation tests.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.