CN216462720U - Rotary excavating machine movable arm welding positioning device - Google Patents
Rotary excavating machine movable arm welding positioning device Download PDFInfo
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- CN216462720U CN216462720U CN202122702138.4U CN202122702138U CN216462720U CN 216462720 U CN216462720 U CN 216462720U CN 202122702138 U CN202122702138 U CN 202122702138U CN 216462720 U CN216462720 U CN 216462720U
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Abstract
The utility model relates to the field of rotary excavators, in particular to a welding and positioning device for a movable arm of a rotary excavator, which comprises a bottom plate, wherein a fixing ring is fixed at the upper end of the bottom plate, a supporting tube rotatably connected with the fixing ring is arranged on the fixing ring, supporting rods in threaded connection with the supporting tube are arranged on two sides of the supporting tube, the tail ends of the supporting rods are arranged in the supporting tube and in threaded connection with the supporting tube, supporting blocks are fixed on the supporting rods, positioning devices are fixed on the bottom plates on two sides of the supporting tube, each positioning device comprises a positioning ring fixed on the bottom plate, positioning tubes rotatably connected with the positioning rings are arranged on the positioning rings, positioning rods in threaded connection with the positioning tubes are arranged on the positioning tubes, positioning blocks are fixed on the positioning rods, and the positioning tubes and the supporting tubes are driven by motors to rotate. The sleeve fixing device can fix the sleeves of the two movable arms, and the axes of the sleeves are on the same straight line after the sleeves are fixed.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the field of rotary excavating machines, in particular to a welding and positioning device for a movable arm of a rotary excavating machine.
[ background of the utility model ]
The rotary digging machine is also called a rotary drilling rig and a pile driver. The rotary drilling machine is a comprehensive drilling machine, can be used for various stratums, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. Short auger bits perform dry excavation operations, and rotary drill bits may also be used to perform wet excavation operations with mud dado. The rotary excavator can be matched with a hammer to drill and dig holes in hard stratum. If the reamer is matched with a reaming head drilling tool, reaming operation can be carried out at the bottom of the hole. The rotary excavating machine adopts a plurality of layers of telescopic drill rods, has less drilling auxiliary time and low labor intensity, does not need slurry to discharge slag circularly, saves cost and is particularly suitable for the basic construction of urban construction.
The movable arm is an important component of a luffing mechanism of the rotary drilling rig, and bears a large load force in the working process of the rotary drilling rig. As shown in fig. 1, the existing movable arm is in a waisted shape, the width of the lower end is greater than that of the upper end, the upper end and the lower end are in a slotted shape, the middle is hollow, sleeves (19) are welded on two sides of the upper end part and the lower end part of the movable arm 18, when the movable arm is assembled, the movable arm is connected with a tripod and a rotary excavator through a shaft pin, when the movable arm is welded on the upper sleeve, the shaft pin is uniformly stressed after the movable arm is assembled by ensuring that the axes of the two sleeves are on the same straight line, but the existing welding device cannot ensure that the sleeves at corresponding positions are on the same straight line, and the service life of the movable arm is seriously influenced.
The utility model is provided for overcoming the defects of the prior art.
[ Utility model ] content
The utility model aims to overcome the defects of the prior art and provides a welding and positioning device for a movable arm of a rotary excavating machine.
The utility model can be realized by the following technical scheme:
the utility model discloses a welding and positioning device for a movable arm of a rotary excavator, which comprises a bottom plate, wherein a fixing ring is fixed at the upper end of the bottom plate, a supporting tube rotatably connected with the fixing ring is arranged on the fixing ring, supporting rods rotatably connected with the supporting tube are respectively arranged at two sides of the supporting tube, the tail ends of the supporting rods are arranged in the supporting tube and are in threaded connection with the supporting tube, supporting blocks are respectively fixed on the supporting rods, positioning devices are respectively fixed on the bottom plates at two sides of the supporting tube, each positioning device comprises a positioning ring fixed on the bottom plate, positioning tubes rotatably connected with the positioning rings are respectively arranged on the positioning rings, positioning rods rotatably connected with the positioning tubes are respectively arranged on the positioning tubes, positioning blocks are respectively fixed on the positioning rods, the supporting tubes are driven by a motor to rotate, positioning rings are symmetrically fixed on two sides of the upper end of the bottom plate, and limiting rods are also arranged above the bottom plate, the limiting rod penetrates through the limiting ring and is in sliding connection with the limiting ring, the limiting rod penetrates through the supporting rod and is in sliding connection with the supporting rod, and the limiting rod penetrates through the positioning rod and is in sliding connection with the positioning rod. After the movable arm is welded, the position of the support rod on the support tube is adjusted according to the distance between the sleeves at opposite positions, after the support rod is adjusted to a proper position, the sleeves to be welded are respectively placed between the support block and the positioning block, the limiting rod penetrates through the positioning rod, the sleeve, the support rod and the limiting ring, after the limiting rod is fixed, the support tube and the positioning tube are driven to rotate through the motor, because the limiting rod penetrates through the positioning rod and the support rod, the limiting rod is in sliding connection with the limiting ring, the support rod is in threaded connection with the support tube, the positioning rod is in threaded connection with the positioning tube, when the support tube and the positioning tube rotate, the support rod is close to the positioning rod at a corresponding position, the support block and the positioning block at the corresponding position are respectively inserted into the sleeve from two sides of the sleeve to fix the sleeve, and after the two sleeves are fixed, the two sleeves are welded on the movable arm, after the sleeve welding, through motor drive stay tube and registration arm antiport, the supporting shoe keeps away from each other with the locating piece, locating piece and supporting shoe and sleeve separation back, take off the gag lever post, can satisfy through this device that the sleeve with two swing arms is fixed, and the telescopic axis is on same straight line after the sleeve is fixed, and can realize adjusting the distance between two fixed back sleeves of sleeve through the initial position of adjustment bracing piece, satisfy the swing arm sleeve welding demand of different regulations.
Preferably, the support block is tapered.
Preferably, the positioning block is conical.
Preferably, be fixed with the support fluted disc on the stay tube, be fixed with the location fluted disc on the registration arm, the output of motor is fixed with the pivot, correspond the position with the support fluted disc in the pivot and be fixed with the gear with the meshing of support fluted disc, also be fixed with the gear with the location fluted disc corresponding position in the pivot, the gear meshes with the location fluted disc that corresponds the position. The motor drives the rotating shaft to rotate, so that the supporting tube and the positioning tube can synchronously rotate.
Preferably, the limiting rod is square, and square holes through which the limiting rod passes are formed in the limiting ring, the supporting rod and the positioning rod.
Preferably, the axes of the positioning rod and the supporting rod are on the same straight line.
Compared with the prior art, the utility model has the following advantages:
can satisfy through this device with the sleeve of two swing arms fixed to the telescopic axis is on same straight line after the sleeve is fixed, and can realize adjusting the distance between two fixed back sleeves of sleeve through the initial position of adjustment bracing piece, satisfies the swing arm sleeve welding demand of different regulations.
[ description of the drawings ]
The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:
FIG. 1 is a schematic illustration of a boom configuration;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
in the figure: 1. a base plate; 2. a fixing ring; 3. supporting a tube; 4. a supporting fluted disc; 5. a support bar; 6. a support block; 7. a positioning device; 8. a positioning ring; 9. a positioning tube; 10. positioning a fluted disc; 11. positioning blocks; 12. a limiting ring; 13. a limiting rod; 14. a motor; 15. a rotating shaft; 16. a gear; 17. positioning a rod; 18. a movable arm; 19. a sleeve;
[ detailed description ] embodiments
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
as shown in fig. 1 and 4, the utility model discloses a welding and positioning device for a movable arm of a rotary excavating machine, which comprises a bottom plate 1, wherein a fixing ring 2 is fixed at the upper end of the bottom plate 1, a supporting tube 3 rotatably connected with the fixing ring 2 is arranged on the fixing ring 2, supporting rods 5 in threaded connection with the supporting tube 3 are respectively arranged at two sides of the supporting tube 3, the tail ends of the supporting rods 5 are arranged in the supporting tube 3 and in threaded connection with the supporting tube 3, supporting blocks 6 are respectively fixed on the supporting rods 5, positioning devices 7 are respectively fixed on the bottom plate 1 at two sides of the supporting tube 3, each positioning device 7 comprises a positioning ring 8 fixed on the bottom plate 1, a positioning tube 9 rotatably connected with the positioning ring 8 is respectively arranged on the positioning rings 8, a positioning rod 17 in threaded connection with the positioning tube 9 is arranged on the positioning tube 9, a positioning block 11 is respectively fixed on the positioning rod 17, the positioning tube 9 and the supporting tube 3 are driven by a motor 14 to rotate, limiting rings 12 are symmetrically fixed on two sides of the upper end of the bottom plate 1, a limiting rod 13 is arranged above the bottom plate 1, the limiting rod 13 penetrates through the limiting rings 12 and is in sliding connection with the limiting rings 12, the limiting rod 13 penetrates through the supporting rod 5 and is in sliding connection with the supporting rod 5, and the limiting rod 13 penetrates through the positioning rod 17 and is in sliding connection with the positioning rod 17. After the movable arm 18 is welded, the position of the support rod 5 on the support tube 3 is adjusted according to the distance between the sleeves 19 at opposite positions, after the support rod 5 is adjusted to a proper position, the sleeves 19 to be welded are respectively placed between the support block 6 and the positioning block 11, the limiting rod 13 penetrates through the positioning rod 17, the sleeves 19, the support rod 5 and the limiting ring 12, after the limiting rod 13 is fixed, the support tube 3 and the positioning tube 9 are driven to rotate through the motor 14, because the limiting rod 13 penetrates through the positioning rod 17 and the support rod 5, the limiting rod 13 is in sliding connection with the limiting ring 12, the support rod 5 is in threaded connection with the support tube 3, the positioning rod 17 is in threaded connection with the positioning tube 9, when the support tube 3 and the positioning tube 9 rotate, the support rod 5 is close to the positioning rod 17 at a corresponding position, the support block 6 is close to the positioning block 11, the support block 6 and the positioning block 11 at a corresponding position are respectively inserted into the sleeves 19 from two sides of the sleeves 19, and then the sleeves 19 are fixed, after the two sleeves 19 are fixed, the two sleeves 19 are welded on the movable arm 18, after the sleeves 19 are welded, the supporting tube 3 and the positioning tube 9 are driven to rotate reversely by the motor 14, the supporting block 6 and the positioning block 11 are far away from each other, the limiting rod 13 is taken down after the positioning block 11 and the supporting block 6 are separated from the sleeves 19, the sleeves 19 of the two movable arms 18 can be fixed by the device, the axes of the sleeves 19 are on the same straight line after the sleeves 19 are fixed, the distance between the two sleeves 19 after the sleeves 19 are fixed can be adjusted by adjusting the initial position of the supporting rod 5, and the welding requirements of the sleeves 19 of the movable arms 18 with different regulations are met.
Wherein the supporting block 6 is conical.
Wherein, the positioning block 11 is conical.
Wherein, a supporting fluted disc 4 is fixed on the supporting tube 3, a positioning fluted disc 10 is fixed on the positioning tube 9, a rotating shaft 15 is fixed on the output end of the motor 14, a gear 16 meshed with the supporting fluted disc 4 is fixed on the rotating shaft 15 at a position corresponding to the supporting fluted disc 4, a gear 16 is also fixed on the rotating shaft 15 at a position corresponding to the positioning fluted disc 10, and the gear 16 is meshed with the positioning fluted disc 10 at the corresponding position. The motor 14 drives the rotating shaft 15 to rotate, so that the supporting tube 3 and the positioning tube 9 can synchronously rotate.
Wherein, gag lever post 13 is square, all is provided with the quad slit that gag lever post 13 passed on spacing ring 12, bracing piece 5 and the locating lever 17.
Wherein, the axes of the positioning rod 17 and the supporting rod 5 are on the same straight line.
The above description is only a preferred embodiment of the present invention, and it should be noted that a person skilled in the art can make various changes, modifications, substitutions and alterations to the embodiments without departing from the technical principles of the present invention, and such changes, modifications, substitutions and alterations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a dig quick-witted swing arm welding position device soon, includes the bottom plate, its characterized in that: the upper end of the bottom plate is fixed with a fixing ring, the fixing ring is provided with a supporting tube rotatably connected with the fixing ring, two sides of the supporting tube are respectively provided with a supporting rod in threaded connection with the supporting tube, the tail end of the supporting rod is arranged in the supporting tube and is in threaded connection with the supporting tube, the supporting rods are respectively fixed with a supporting block, the bottom plates at two sides of the supporting tube are respectively fixed with a positioning device, the positioning devices comprise a positioning ring fixed on the bottom plate, the positioning tubes rotatably connected with the positioning ring are respectively arranged on the positioning rings, the positioning tubes are respectively provided with a positioning rod in threaded connection with the positioning tubes, the positioning rods are respectively fixed with a positioning block, the positioning tubes and the supporting tubes are driven by a motor to rotate, the two sides of the upper end of the bottom plate are also symmetrically fixed with a limiting ring, a limiting rod is also arranged above the bottom plate and penetrates through the limiting ring and is in sliding connection with the limiting ring, the limiting rod penetrates through the supporting rod and is in sliding connection with the supporting rod, and the limiting rod penetrates through the positioning rod and is in sliding connection with the positioning rod.
2. The rotary excavating machine arm welding and positioning device according to claim 1, wherein: the supporting block is conical.
3. The rotary excavating machine arm welding and positioning device according to claim 1, wherein: the positioning block is conical.
4. The rotary excavating machine arm welding and positioning device according to claim 1, wherein: be fixed with the support fluted disc on the stay tube, be fixed with the location fluted disc on the registration arm, the output of motor is fixed with the pivot, correspond the position with the support fluted disc in the pivot and be fixed with the gear that supports the fluted disc meshing, correspond the position with the location fluted disc in the pivot and also be fixed with the gear, the gear meshes with the location fluted disc that corresponds the position.
5. The rotary excavating machine arm welding and positioning device according to claim 1, wherein: the limiting rod is square, and square holes through which the limiting rod penetrates are formed in the limiting ring, the supporting rod and the positioning rod.
6. The rotary excavating machine arm welding and positioning device according to claim 1, wherein: the axes of the positioning rod and the supporting rod are on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122702138.4U CN216462720U (en) | 2021-11-06 | 2021-11-06 | Rotary excavating machine movable arm welding positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122702138.4U CN216462720U (en) | 2021-11-06 | 2021-11-06 | Rotary excavating machine movable arm welding positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216462720U true CN216462720U (en) | 2022-05-10 |
Family
ID=81447547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122702138.4U Active CN216462720U (en) | 2021-11-06 | 2021-11-06 | Rotary excavating machine movable arm welding positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216462720U (en) |
-
2021
- 2021-11-06 CN CN202122702138.4U patent/CN216462720U/en active Active
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