Search

CN-224223024-U - Engineering vehicle hydraulic seat welding device

CN224223024UCN 224223024 UCN224223024 UCN 224223024UCN-224223024-U

Abstract

The utility model relates to the technical field of hydraulic cylinder welding, in particular to a welding device for a hydraulic seat of an engineering vehicle, which comprises a base, wherein the front end and the rear end of the base are both in sliding connection with a movable seat, the tops of two groups of movable seats are both fixedly provided with supporting frames, one sides of the two groups of supporting frames, which are opposite, are respectively and fixedly provided with a first positioning mechanism and a second positioning mechanism, the inner sides of the first positioning mechanism and the second positioning mechanism are respectively clamped with a hydraulic seat body and an oil cylinder body, the left side of the base is fixedly provided with a welding robot, the first positioning mechanism is fixedly arranged on a first mounting frame at the top end of the supporting frame, the inner side of the first mounting frame is fixedly provided with a first hydraulic cylinder, and the left end and the right end of the supporting frame are both in sliding connection with a movable frame.

Inventors

  • XUE YUYI
  • XUE GUANGYUAN
  • LI JIANAN

Assignees

  • 青岛和瑞丰机械制造有限公司

Dates

Publication Date
20260512
Application Date
20250508

Claims (7)

  1. 1. The hydraulic seat welding device for the engineering vehicle comprises a base (1) and is characterized in that the front end and the rear end of the base (1) are both connected with a movable seat (2) in a sliding mode, the tops of the two groups of movable seats (2) are both fixedly provided with a supporting frame (3), one side, opposite to the supporting frame (3), of each group of movable seats is respectively and fixedly provided with a first positioning mechanism (4) and a second positioning mechanism (5), the inner sides of the first positioning mechanism (4) and the second positioning mechanism (5) are respectively clamped with a hydraulic seat body (6) and an oil cylinder body (7), and the left side of the base (1) is fixedly provided with a welding robot (8); The first positioning mechanism (4) is fixedly arranged on a first mounting frame (401) at the top end of the support frame (3), a first hydraulic cylinder (402) is fixedly arranged on the inner side of the first mounting frame (401), the left end and the right end of the support frame (3) are both connected with a movable frame (403) in a sliding mode, the driving end of the first hydraulic cylinder (402) is fixedly connected with one group of movable frames (403), the rear ends of the two groups of movable frames (403) are both fixedly connected with positioning frames (404) on the left side and the right side of the hydraulic seat body (6), a transmission plate (405) is rotationally connected to the middle of the inner side of the first mounting frame (401), a linkage rod (406) is arranged between the transmission plate (405) and the two groups of movable frames (403), and two ends of the linkage rod (406) are respectively connected with the transmission plate (405) and the movable frames (403) in a rotating mode. The second positioning mechanism (5) comprises a second mounting frame (501) fixedly mounted on the top end of the supporting frame (3), a base (502) is fixedly mounted on the front surface of the second mounting frame (501), a plurality of groups of positioning arms (503) are rotatably connected to the outer side of the base (502), the oil cylinder body (7) is clamped between the groups of positioning arms (503), a connecting rod (504) is connected to the sliding connection of the base (502), a second hydraulic cylinder (505) is fixedly mounted on the inner side of the base (502) and the rear end of the connecting rod (504), the driving end of the second hydraulic cylinder (505) is fixedly connected with the connecting rod (504), a connector (506) is rotatably connected to the top end of the connecting rod (504), a driving arm (507) is mounted between the connector (506) and the groups of positioning arms (503), a positioning plate (508) is fixedly mounted on the top of the connector (506), and the rear end of the oil cylinder body (7) is abutted to the positioning plate (508).
  2. 2. The welding device for the hydraulic seat of the engineering vehicle according to claim 1, wherein the first guide rail (407) is fixedly arranged at the inner side of the first installation frame (401) and positioned at the upper end and the lower end of the movable frame (403), and the upper end and the lower end of the movable frame (403) are in sliding connection with the first guide rail (407) through the first sliding seat (408).
  3. 3. The welding device for the hydraulic seat of the engineering vehicle according to claim 1, wherein the bottom end of the positioning frame (404) is fixedly connected with a supporting block (409), and the front surface of the positioning frame (404) is fixedly connected with a stop block (410).
  4. 4. The welding device for the hydraulic seat of the engineering vehicle according to claim 1, wherein a spring (509) is sleeved between the connector (506) and the base (502) and is arranged on the outer side of the connecting rod (504), the inside of the positioning plate (508) is fixedly connected with the connector (506) through a fixing bolt (510), and movable grooves (511) are formed in the positions, corresponding to the plurality of groups of positioning arms (503), of the inside of the positioning plate (508).
  5. 5. The welding device for the hydraulic seats of the engineering vehicle according to claim 1, wherein the movable wheels (101) are arranged at four corners of the bottom of the base (1), and supporting legs (102) are connected to the outer sides of the movable wheels (101) in a threaded manner and are positioned at the bottom of the base (1).
  6. 6. The welding device for the hydraulic seat of the engineering vehicle according to claim 1, wherein the middle of the top of the base (1) is rotatably connected with a bidirectional screw rod (201), a motor (202) is fixedly arranged at the front end of the base (1), the driving end of the motor (202) is fixedly connected with the driving end of the bidirectional screw rod (201), and the bottoms of the two groups of movable seats (2) are connected with the two ends of the bidirectional screw rod (201) through screw rod nuts (203).
  7. 7. The welding device for the hydraulic seat of the engineering vehicle according to claim 1, wherein the left and right ends of the top of the base (1) are fixedly provided with second guide rails (204), and the left and right ends of the two groups of movable seats (2) are slidably connected with the second guide rails (204) through second sliding seats (205).

Description

Engineering vehicle hydraulic seat welding device Technical Field The utility model relates to the technical field of hydraulic cylinder welding, in particular to a welding device for a hydraulic seat of an engineering vehicle. Background The hydraulic seat welding device for engineering vehicle is a key technological equipment for high-strength connection of hydraulic seat (usually special-shaped steel plate structure) and oil cylinder, and the hydraulic seat is used as bearing base of hydraulic system of engineering vehicle, and is required to bear impact load produced by reciprocating motion of oil cylinder, and its welding quality can directly affect reliability and service life of whole vehicle. At present, when welding is carried out between a hydraulic seat and an oil cylinder of an engineering vehicle, in the assembly of a hydraulic system of the engineering vehicle, the welding of the hydraulic seat and the oil cylinder usually adopts the traditional manual welding process, and the core process comprises the steps of carrying out the welding operation after the hydraulic seat and the oil cylinder are rigidly fixed in the horizontal direction through a simple tool, however, the process has obvious defects, certain offset is easily caused between the hydraulic seat and the oil cylinder due to unstable operation in the manual welding process, the welding processing is easy to cause the condition that the quality of a welded finished product is poor and does not meet the required requirement in the state, and the welding finished product has risks of sealing failure, stress concentration fracture and the like, so that the welding efficiency is low and the welding quality is poor. Therefore, it is important to design a hydraulic seat welding device for engineering vehicles to solve the above-mentioned drawbacks. Disclosure of utility model Aiming at the defects of the prior art, the utility model designs a welding device for a hydraulic seat of an engineering vehicle, which aims to solve the technical problems of low welding efficiency and poor welding quality when the hydraulic seat of the engineering vehicle is welded manually in the prior art. In order to achieve the above purpose, the present utility model provides the following technical solutions: The hydraulic seat welding device for the engineering vehicle comprises a base, wherein the front end and the rear end of the base are both connected with movable seats in a sliding manner, the tops of the two groups of movable seats are both fixedly provided with supporting frames, one sides of the two groups of supporting frames, which are opposite, are respectively and fixedly provided with a first positioning mechanism and a second positioning mechanism, the inner sides of the first positioning mechanism and the second positioning mechanism are respectively clamped with a hydraulic seat body and an oil cylinder body, and the left side of the base is fixedly provided with a welding robot; The first positioning mechanism is fixedly arranged on a first mounting frame at the top end of the support frame, a first hydraulic cylinder is fixedly arranged on the inner side of the first mounting frame, the left end and the right end of the support frame are both connected with moving frames in a sliding manner, the driving end of the first hydraulic cylinder is fixedly connected with one group of moving frames, the rear ends of the two groups of moving frames are both fixedly connected with positioning frames on the left side and the right side of the hydraulic seat body, a transmission plate is rotatably connected to the middle part of the inner side of the first mounting frame, a linkage rod is arranged between the transmission plate and the two groups of moving frames, and the two ends of the linkage rod are respectively connected with the transmission plate and the moving frames in a rotating manner; The second positioning mechanism comprises a second mounting frame fixedly mounted on the top end of the support frame, a base is fixedly mounted on the front surface of the second mounting frame, a plurality of groups of positioning arms are rotationally connected to the outer side of the base, the oil cylinder body is clamped between the plurality of groups of positioning arms, a connecting rod is connected to the sliding connection of the base, a second hydraulic cylinder is fixedly mounted on the inner side of the base and the rear end of the connecting rod, the driving end of the second hydraulic cylinder is fixedly connected with the connecting rod, a connector is rotationally connected to the top end of the connecting rod, driving arms are mounted between the connector and the plurality of groups of positioning arms, a positioning plate is fixedly mounted on the top of the connector, and the rear end of the oil cylinder body is in butt joint with the positioning plate. As a preferable scheme of the utility model, the inner side of the first installation