Special workover rig chassis rear beam structure
By adopting a design using an integral rectangular thick-walled tube and a one-piece molded support rod, combined with a stabilizing bar and a cross-shaped bracket, the problem of insufficient structural strength of the front and rear beams of existing workover rigs has been solved, achieving high strength and stability of the rear beam and improving the safety of the workover rig.
Patent Information
- Application Number
- CN202520119561.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-20
AI Technical Summary
The front and rear beams of existing workover rigs are welded from steel plates, which does not provide sufficient structural strength and affects the safety of the workover rig.
The rear beam is made of integral rectangular thick-walled tube, and two support rods are integrally formed at the bottom of the rear beam. The stability of the connection is increased by diagonal rods. At the same time, stabilizing strips are welded to the front and back of the rear beam and connected with reinforcing bolts to form a cross-shaped bracket to enhance toughness and stability.
The strength and stability of the rear beam were improved, enhancing the reliability and safety of the workover rig chassis.
Smart Images

Figure CN223661764U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to well repair machine chassis rear beam technical field especially relates to a special well repair machine chassis rear beam structure. BACKGROUND
[0002] Well repair machine or well pass machine is the most basic and main power source in well repair and downhole operation construction, and is divided into caterpillar type and tire type according to running structure.
[0003] The chassis of well repair vehicle is usually formed by heavy truck or special chassis, can carry well repair equipment, power system, hydraulic system and the like, mainly utilizes ordinary automobile chassis to transform, and the front and rear beams are an important part in the chassis, and the structure of the front and rear beams directly influences the usability and reliability of the whole chassis.
[0004] The front and rear beams currently used are formed by steel plate assembly welding, and the structural strength is not ideal, which influences the safety of well repair machine in use.
[0005] Therefore, it is necessary to provide a special well repair machine chassis rear beam structure to solve the above technical problems. CONTENT OF UTILITY MODEL
[0006] The utility model provides a special well repair machine chassis rear beam structure, solves the problem that the front and rear beams currently used are formed by steel plate assembly welding and the strength is not ideal, which influences the safety of well repair machine in use.
[0007] To solve the above technical problems, the special well repair machine chassis rear beam structure provided by the utility model comprises a rear beam.
[0008] Two first support rods are fixedly connected to the bottom of the rear beam near one end, and one side of the two first support rods is fixedly connected with a first inclined rod, and the other end of the first inclined rod is fixedly connected with the bottom of the rear beam near one end.
[0009] Two second support rods are fixedly connected to the bottom of the rear beam near the other end, and one side of the two second support rods is fixedly connected with a second inclined rod, and one side of the first support rod and the second support rod is provided with two fixing holes.
[0010] The first inclined rod, the first support rod and the rear beam are integrally formed, the second support rod, the second inclined rod and the rear beam are also integrally formed, the first inclined rod and the second inclined rod are located on the side opposite to the first support rod and the second support rod, and the rear beam is a rectangular thick-walled pipe.
[0011] Preferably, the two ends of the rear beam are fixedly connected with fixing frames, and the fixing frames are provided with mounting holes near the four corners.
[0012] The fixed frame is connected with the rear beam by welding or one-piece forming.
[0013] Preferably, the front and back surfaces of the rear beam are fixedly connected with stabilizing strips, and one side of each of the stabilizing strips is provided with a plurality of mounting screw holes.
[0014] The two ends of the stabilizing strip are connected with the adjacent sides of the two fixed frames, and the mounting screw holes facilitate mounting of the butt joint structure of the workover rig on the rear beam.
[0015] Preferably, the front and back surfaces of the inner walls of the two fixed frames are fixedly connected with support plates, and the top and bottom of each of the support plates is fixedly connected with a butt joint plate.
[0016] The butt joint plate and the support plate are connected with the inner surface of the rear beam.
[0017] Preferably, the side of each of the two fixed frames opposite to the front and back surfaces is provided with a fixed port near the front and back surfaces, and the fixed port is internally provided with a reinforcing bolt.
[0018] The reinforcing bolt is threadedly connected with the threaded holes provided at the two ends of the fixed frame and the stabilizing strip.
[0019] Preferably, the support plate and the two butt joint plates form a cross shape.
[0020] The cross shape formed by the support plate and the butt joint plate is connected with the inner surface of the fixed frame and the rear beam by welding.
[0021] Compared with the related art, the special workover rig chassis rear beam structure has the following advantages
[0022] Beneficial effects:
[0023] The special workover rig chassis rear beam structure provided by the utility model is characterized in that the whole rectangular thick-walled pipe is adopted instead of the rear beam composed of steel plates, two first support rods and second support rods are integrally formed at the bottom of the rear beam and the whole rectangular thick-walled pipe respectively, the stability of the connection is increased, the stability and toughness of the connection between the first support rod, the second support rod and the rear beam are increased through the first inclined rod and the second inclined rod, the strength of the rear beam is greatly improved through the one-piece manufacturing of the cast steel material, and the reliability of the workover rig chassis is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 FIG. 1 is a structural schematic view of a first embodiment of the special workover rig chassis rear beam structure provided by the utility model;
[0025] Figure 2 FIG. 2 is a structural schematic view of the first inclined rod provided by the utility model.
[0026] Figure 3 The second embodiment of the special workover rig chassis rear beam structure provided by the utility model is shown in the structural schematic view;
[0027] Figure 4 The structural schematic view of the support plate provided by the utility model is shown in the figure;
[0028] Figure 5 The structural schematic view of the support plate provided by the utility model is shown in the figure; Figure 3 The enlarged view of A shown in the figure.
[0029] Reference numerals in the figure: 1, rear beam, 2, fixed frame, 3, mounting hole, 4, first inclined rod, 5, fixed hole, 6, first support rod, 7, second support rod, 8, second inclined rod, 9, stabilizing strip, 10, mounting screw hole, 11, butt joint plate, 12, support plate, 13, fixed port, 14, reinforcing bolt. DETAILED DESCRIPTION
[0030] The utility model will be further described in combination with the drawings and embodiments.
[0031] First embodiment
[0032] Please refer to Figure 1 , Figure 2 Among them, Figure 1 The structural schematic view of the first embodiment of the special workover rig chassis rear beam structure provided by the utility model is shown in the figure; Figure 2 The structural schematic view of the first inclined rod provided by the utility model is shown in the figure. The special workover rig chassis rear beam structure comprises: a rear beam 1;
[0033] Two first support rods 6, two first support rods 6 are fixedly connected at the position close to one end of the bottom of the rear beam 1, and one side of the two first support rods 6 is fixedly connected with a first inclined rod 4, and the other end of the first inclined rod 4 is fixedly connected with the position close to one end of the bottom of the rear beam 1;
[0034] Two second support rods 7, two second support rods 7 are fixedly connected at the position close to the other end of the bottom of the rear beam 1, and one side of the two second support rods 7 is fixedly connected with a second inclined rod 8, and one side of the first support rod 6 and the second support rod 7 is provided with two fixed holes 5;
[0035] The first inclined rod 4, the first support rod 6 and the rear beam 1 are integrally formed, the second support rod 7, the second inclined rod 8 and the rear beam 1 are also integrally formed, the first inclined rod 4 and the second inclined rod 8 are located on the side opposite to the first support rod 6 and the second support rod 7, the rear beam 1 is a body rectangular thick-walled pipe, and the first support rod 6 and the second support rod 7 are also body rectangular thick-walled pipes.
[0036] Both ends of the rear beam 1 are fixedly connected with a fixed frame 2, and mounting holes 3 are formed in positions close to four corners on one side of the fixed frame 2.
[0037] The fixed frame 2 is connected with the rear beam 1 by welding or integral molding, and the mounting holes 3 are convenient for bolts to pass through.
[0038] The working principle of the special workover rig chassis rear beam structure provided by the utility model is as follows:
[0039] The integral rectangular thick-walled pipe is adopted to replace the rear beam 1 welded by steel plates, and two first support rods 6 and second support rods 7 are integrally formed with the integral rectangular thick-walled pipe at the bottom of the rear beam 1, so that the stability of the connecting position is increased, and the stability and toughness of the connection between the first support rods 6 and the second support rods 7 and the rear beam 1 are increased through the first inclined rods 4 and the second inclined rods 8.
[0040] Compared with the related art, the special workover rig chassis rear beam structure provided by the utility model has the following advantages
[0041] Beneficial effects:
[0042] In order to increase the toughness and stability of the workover rig chassis rear beam 1, the integral rectangular thick-walled pipe is adopted to replace the rear beam 1 welded by steel plates, and two first support rods 6 and second support rods 7 are integrally formed with the integral rectangular thick-walled pipe at the bottom of the rear beam 1, so that the stability of the connecting position is increased, and the stability and toughness of the connection between the first support rods 6 and the second support rods 7 and the rear beam 1 are increased through the first inclined rods 4 and the second inclined rods 8.
[0043] Second embodiment
[0044] Please refer to Figures 3-4 - Figure 5 , Figure 3 The structure schematic view of the second embodiment of the special workover rig chassis rear beam structure provided by the utility model is shown in the figure; Figure 4 The structure schematic view of the support plate provided by the utility model is shown in the figure;
[0045] Figure 5 The structure schematic view of the special workover rig chassis rear beam structure provided by the utility model is shown in the figure; Figure 3 The enlarged view of A shown in the figure, based on the first embodiment of the special workover rig chassis rear beam structure provided by the utility model, the second embodiment proposes another special workover rig chassis rear beam structure. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.
[0046] Specifically, the second embodiment of the present application provides a special workover rig chassis rear beam structure, which is different from the rear beam 1 in that the front and back surfaces of the rear beam 1 are fixedly connected with a stabilizing strip 9, and one side of the stabilizing strip 9 is provided with a plurality of mounting screw holes 10.
[0047] The two ends of the stabilizing strip 9 are connected with the sides adjacent to the two fixed frames 2, the mounting screw holes 10 are convenient for mounting the butt joint structure of the workover rig on the rear beam 1, and the two ends of the stabilizing strip 9 are provided with threaded holes.
[0048] The front and back surfaces of the inner walls of the two fixed frames 2 are fixedly connected with a support plate 12, and the top and bottom of the support plate 12 are fixedly connected with a butt plate 11 at the middle position.
[0049] A part of the butt plate 11 and the support plate 12 are connected with the inner surface of the rear beam 1, and the support plate 12 and the butt plate 11 are made of steel.
[0050] The positions close to the front and back surfaces of the opposite sides of the two fixed frames 2 are provided with a fixed port 13, and the inside of the fixed port 13 is provided with a reinforcing bolt 14.
[0051] The reinforcing bolt 14 is threadedly connected with the threaded holes provided at the two ends of the fixed frame 2 and the stabilizing strip 9, so that the stability of the connection of the stabilizing strip 9 can be increased.
[0052] The support plate 12 and the two butt plates 11 form a cross shape.
[0053] The cross shape composed of the support plate 12 and the butt plate 11 is connected with the inner surface of the fixed frame 2 and the rear beam 1 by welding.
[0054] Compared with the related art, the special workover rig chassis rear beam structure has the following advantages
[0055] Beneficial effects:
[0056] In order to increase the strength and toughness of the rear chassis of the workover rig, a stabilizing strip 9 with a mounting screw hole 10 is welded on the front and back surfaces of the rear beam 1, and the two ends of the two stabilizing strips 9 are connected with the fixed frame 2 through two reinforcing bolts 14, and then a cross-shaped support composed of a support plate 12 and two butt plates 11 is welded at the position of the inner connection of the fixed frame 2 and the rear beam 3, so that the stability of the connection is increased, the toughness and the stability of the connection of the rear beam 1 are increased through the cross-shaped support and the stabilizing strip 9, and the safety during the work of the workover truck is improved.
[0057] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.
Claims
1. A specialized workover rig chassis rear beam structure, characterized by, Include: The rear beam; Two first support rods, two said first support rods are fixedly connected at the bottom of the rear beam near one end, one side of two said first support rods is fixedly connected with a first inclined rod, the other end of said first inclined rod is fixedly connected with the bottom of the rear beam near one end; Two second support rods, two said second support rods are fixedly connected at the bottom of the rear beam near the other end, one side of two said second support rods is fixedly connected with a second inclined rod, one side of said first support rod and second support rod is provided with two fixing holes.
2. The specialized workover unit chassis rear beam structure of claim 1, wherein, Both ends of said rear beam are fixedly connected with a fixed frame, mounting holes are formed in the side of said fixed frame near four corners.
3. The specialized workover unit chassis rear beam structure of claim 1, wherein, The front and back of said rear beam are fixedly connected with a stabilizing strip, a plurality of mounting screw holes are formed in one side of said stabilizing strip.
4. The specialized workover unit chassis rear beam structure of claim 2, wherein, The front and back of the inner wall of two said fixed frame are fixedly connected with a support plate, the top and bottom of said support plate are fixedly connected with a butt plate.
5. The specialized workover unit chassis rear beam structure of claim 2, wherein, The side of two said fixed frame opposite to each other is provided with a fixed port near the front and back, a reinforcing bolt is mounted in said fixed port.
6. The specialized workover unit chassis rear beam structure of claim 4, wherein, Said support plate and two butt plates form a cross shape.