Movable type three-stage portal frame assembly of vehicle special for pole-mounted transformer construction

Abstract

The utility model relates to a movable type three-level portal frame assembly of a vehicle special for pole transformer construction, and belongs to the field of electric power equipment. The forklift comprises a moving mechanism, an outer portal frame mechanism, a middle portal frame mechanism, an inner portal frame mechanism and a fork arm carrier mechanism, the outer portal frame mechanism is slidably mounted on the moving mechanism, the middle portal frame mechanism is slidably mounted on the outer portal frame mechanism, the inner portal frame mechanism is slidably mounted on the middle portal frame mechanism, and the fork arm carrier mechanism is slidably mounted on the inner portal frame mechanism. The fork arm carrier mechanism is installed on the inner portal frame mechanism in a sliding mode, a winch mechanism is further installed on the outer portal frame mechanism, the moving mechanism comprises a fixing frame and a moving oil cylinder, the outer portal frame mechanism is installed on the fixing frame in a sliding mode, and one end of the moving oil cylinder is connected with the outer portal frame mechanism.

Description

Technical Field

[0001] The utility model relates to a mobile three - stage gantry assembly of a special vehicle for pole - mounted transformer construction, belonging to the field of power equipment. Background Technique

[0002] In the power industry, when replacing components such as transformers and pole - mounted switches, due to their large volume and heavy weight, special vehicles are required to lift them to a designated height for disassembly, replacement. In view of this, a multi - functional construction vehicle is disclosed in the patent document with the application number 202222020355.X. The fork body in the above - mentioned prior art can only lift heavy objects and then lift them upwards, but cannot move heavy objects. If it is necessary to move heavy objects, the vehicle needs to be moved. However, moving the vehicle after lifting heavy objects will cause the vehicle to roll over due to unstable center of gravity. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the above - mentioned deficiencies existing in the prior art, and to provide a mobile three - stage gantry assembly of a special vehicle for pole - mounted transformer construction with reasonable structural design.

[0004] The technical solution adopted by the utility model to solve the above problems is: the mobile three - stage gantry assembly of the special vehicle for pole - mounted transformer construction, its structural characteristics are: it includes a moving mechanism, an outer gantry mechanism, a middle gantry mechanism, an inner gantry mechanism and a fork rack mechanism. The outer gantry mechanism is slidably installed on the moving mechanism, the middle gantry mechanism is slidably installed on the outer gantry mechanism, the inner gantry mechanism is slidably installed on the middle gantry mechanism, and the fork rack mechanism is slidably installed on the inner gantry mechanism.

[0005] Furthermore, a winch mechanism is also installed on the outer gantry mechanism.

[0006] Furthermore, the moving mechanism includes a fixed frame and a moving oil cylinder. The outer gantry mechanism is slidably installed on the fixed frame, and one end of the moving oil cylinder is connected to the outer gantry mechanism.

[0007] Furthermore, the outer gantry mechanism includes an outer gantry main body, outer gantry lifting track wheels, an outer gantry moving frame and outer gantry moving track wheels. The outer gantry moving frame is slidably installed on the moving mechanism through the outer gantry moving track wheels. The outer gantry main body is fixed on the outer gantry moving frame. The outer gantry lifting track wheels are installed on the outer gantry main body, and the outer gantry lifting track wheels cooperate with the middle gantry mechanism.

[0008] Further, the middle gantry mechanism includes a middle gantry main body, middle gantry track wheels and a middle gantry lifting oil cylinder. The middle gantry main body is slidably installed on the outer gantry mechanism. The middle gantry track wheels are installed on the middle gantry main body and cooperate with the inner gantry mechanism. The cylinder barrel of the middle gantry lifting oil cylinder is installed on the outer gantry mechanism, and the piston rod of the middle gantry lifting oil cylinder is connected to the middle gantry main body.

[0009] Further, the inner gantry mechanism includes an inner gantry main body, inner gantry lifting sprockets and inner gantry lifting chains. The inner gantry main body is slidably installed on the middle gantry mechanism. The fork carriage mechanism is slidably installed on the inner gantry main body. The inner gantry lifting sprockets are installed on the middle gantry mechanism. The inner gantry lifting chains bypass the inner gantry lifting sprockets, and both ends of the inner gantry lifting chains are respectively connected to the outer gantry mechanism and the inner gantry mechanism.

[0010] Further, the fork carriage mechanism includes a fork lift carriage, fork track wheels, fork lifting sprockets, fork lifting chains, fork main bodies, fork swing shafts and fork tilting plates. The fork lift carriage is slidably installed on the inner gantry mechanism through the fork track wheels. The fork tilting plates are rotatably installed on the fork lift carriages through the fork swing shafts. The fork main bodies are adjustably installed on the fork tilting plates. The fork lifting sprockets are installed on the inner gantry mechanism. The fork lifting chains bypass the fork lifting sprockets, and both ends of the fork lifting chains are respectively connected to the middle gantry mechanism and the fork lift carriages.

[0011] Further, the fork carriage mechanism further includes a fork carriage side shifter. The fork carriage side shifter is installed on the fork tilting plate, and the fork main bodies are adjustably installed on the fork carriage side shifter.

[0012] Further, the fork carriage mechanism further includes a fork swing oil cylinder and fork pads. The fork pads are fixed on the fork tilting plates. The cylinder barrel of the fork swing oil cylinder is installed on the fork lift carriage, and the piston rod of the fork swing oil cylinder contacts the fork pads.

[0013] Further, the winch mechanism includes a winch main body and winch guide wheels. The winch main body is installed on the outer gantry mechanism. One winch guide wheel is installed on each of the outer gantry mechanism and the inner gantry mechanism. The steel rope of the winch main body bypasses the winch guide wheels.

[0014] Further, the number of the moving oil cylinders is two. The cylinder barrels of the two moving oil cylinders are fixed, and the piston rod of one moving oil cylinder is connected to the outer gantry mechanism.

[0015] Compared with the prior art, the utility model has the following advantages: After lifting a heavy object, the mobile three-stage gantry assembly can control the lifting of the middle gantry main body, the inner gantry main body, and the forklift carriage lifting frame through the middle gantry lifting oil cylinder, thereby lifting the heavy object. The position of the outer gantry main body can be adjusted through the mobile oil cylinder, and thus the position of the heavy object can be adjusted. Therefore, when adjusting the position of the heavy object, there is no need to move the vehicle to avoid the vehicle from tipping over. Brief Description of the Drawings

[0016] Figure 1 is a schematic perspective view of the mobile three-stage gantry assembly (lifted) according to an embodiment of the utility model.

[0017] Figure 2 is a schematic perspective view of the mobile three-stage gantry assembly (lifted) according to an embodiment of the utility model.

[0018] Figure 3 is a schematic perspective view of the mobile three-stage gantry assembly (lowered) according to an embodiment of the utility model.

[0019] Figure 4 is a schematic perspective view of the mobile three-stage gantry assembly (lowered) according to an embodiment of the utility model.

[0020] Figure 5 is a schematic perspective view of the outer gantry mechanism according to an embodiment of the utility model.

[0021] Figure 6 is a schematic perspective view of the middle gantry mechanism according to an embodiment of the utility model.

[0022] Figure 7 is a schematic perspective view of the inner gantry mechanism according to an embodiment of the utility model.

[0023] Figure 8 is a schematic perspective view of the forklift carriage mechanism according to an embodiment of the utility model.

[0024] In the figure: moving mechanism 1, outer gantry mechanism 2, middle gantry mechanism 3, inner gantry mechanism 4, forklift carriage mechanism 5, winch mechanism 6,

[0025] fixed frame 11, mobile oil cylinder 12,

[0026] outer gantry main body 21, outer gantry lifting track wheel 22, outer gantry moving frame 23, outer gantry moving track wheel 24,

[0027] middle gantry main body 31, middle gantry track wheel 32, middle gantry lifting oil cylinder 33,

[0028] inner gantry main body 41, inner gantry lifting sprocket 42, inner gantry lifting chain 43,

[0029] Fork lift frame 51, fork track wheel 52, fork lift sprocket 53, fork lift chain 54, fork body 55, fork swing shaft 56, fork swing oil cylinder 57, fork cushion block 58, fork forward tilt plate 59,

[0030] Winch body 61, winch guide wheel 62. Detailed implementation mode

[0031] The present utility model will be further described in detail below in conjunction with the accompanying drawings and through embodiments. The following embodiments are explanations of the present utility model, and the present utility model is not limited to the following embodiments.

[0032] Embodiment

[0033] See Figures 1 to 8 As shown, it should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model. Therefore, they do not have technical substance significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model. At the same time, if terms such as "upper", "lower", "left", "right", "middle", and "one" are cited in this specification, they are only for the convenience of clear narration and are not used to limit the scope for the implementation of the present utility model. The change or adjustment of their relative relationships, without substantial change in the technical content, should also be regarded as the scope within which the present utility model can be implemented.

[0034] The mobile three-stage gantry assembly of the pole-mounted transformer construction special vehicle in this embodiment includes a moving mechanism 1, an outer gantry mechanism 2, a middle gantry mechanism 3, an inner gantry mechanism 4, and a fork frame mechanism 5. The outer gantry mechanism 2 is slidably installed on the moving mechanism 1, the middle gantry mechanism 3 is slidably installed on the outer gantry mechanism 2, the inner gantry mechanism 4 is slidably installed on the middle gantry mechanism 3, the fork frame mechanism 5 is slidably installed on the inner gantry mechanism 4, and a winch mechanism 6 is also installed on the outer gantry mechanism 2.

[0035] The moving mechanism 1 in this embodiment includes a fixed frame 11 and a moving oil cylinder 12. The fixed frame 11 is installed on a second-class chassis. The outer door moving frame 23 in the outer gantry mechanism 2 is slidably installed on the fixed frame 11 through an outer door moving track wheel 24. One end of the moving oil cylinder 12 is connected to the outer door moving frame 23 in the outer gantry mechanism 2, and the other end of the moving oil cylinder 12 is connected to the second-class chassis. The number of moving oil cylinders 12 is two. The cylinders of the two moving oil cylinders 12 are fixed. The piston rod of one moving oil cylinder 12 is connected to the outer door moving frame 23 in the outer gantry mechanism 2, and the piston rod of the other moving oil cylinder 12 is connected to the second-class chassis.

[0036] The outer gantry mechanism 2 in this embodiment includes an outer gantry main body 21, outer door lifting track wheels 22, an outer door moving frame 23, and outer door moving track wheels 24. The outer door moving frame 23 is slidably mounted on the fixed frame 11 in the moving mechanism 1 through the outer door moving track wheels 24. The outer gantry main body 21 is fixed to the outer door moving frame 23. The outer door lifting track wheels 22 are mounted on the outer gantry main body 21, and the outer door lifting track wheels 22 cooperate with the middle gantry main body 31 in the middle gantry mechanism 3.

[0037] The middle gantry mechanism 3 in this embodiment includes a middle gantry main body 31, middle door track wheels 32, and a middle door lifting oil cylinder 33. The middle gantry main body 31 is slidably mounted on the outer gantry main body 21 in the outer gantry mechanism 2 through the outer door lifting track wheels 22 in the outer gantry mechanism 2. The middle door track wheels 32 are mounted on the middle gantry main body 31, and the middle door track wheels 32 cooperate with the inner gantry main body 41 in the inner gantry mechanism 4. The cylinder barrel of the middle door lifting oil cylinder 33 is mounted on the outer door moving frame 23 in the outer gantry mechanism 2, and the piston rod of the middle door lifting oil cylinder 33 is connected to the middle gantry main body 31.

[0038] The inner gantry mechanism 4 in this embodiment includes an inner gantry main body 41, inner door lifting sprockets 42, and inner door lifting chains 43. The inner gantry main body 41 is slidably mounted on the middle gantry main body 31 in the middle gantry mechanism 3 through the middle door track wheels 32 in the middle gantry mechanism 3. The fork lifting frame 51 in the fork rack mechanism 5 is slidably mounted on the inner gantry main body 41 through the fork track wheels 52 in the fork rack mechanism 5. The inner door lifting sprockets 42 are mounted on the middle gantry main body 31 in the middle gantry mechanism 3. The inner door lifting chains 43 bypass the inner door lifting sprockets 42, and the two ends of the inner door lifting chains 43 are respectively connected to the outer gantry main body 21 in the outer gantry mechanism 2 and the inner gantry main body 41 in the inner gantry mechanism 4.

[0039] The fork rack mechanism 5 in this embodiment includes a fork lifting frame 51, fork track wheels 52, fork lifting sprockets 53, fork lifting chains 54, a fork main body 55, a fork swing shaft 56, and a fork tilting plate 59. The fork lifting frame 51 is slidably mounted on the inner gantry mechanism 4 through the fork track wheels 52. The fork tilting plate 59 is rotatably mounted on the fork lifting frame 51 through the fork swing shaft 56. The fork main body 55 is adjustably mounted on the fork tilting plate 59. The fork lifting sprockets 53 are mounted on the inner gantry mechanism 4. The fork lifting chains 54 bypass the fork lifting sprockets 53, and the two ends of the fork lifting chains 54 are respectively connected to the middle gantry mechanism 3 and the fork lifting frame 51.

[0040] The fork carriage mechanism 5 in this embodiment may also include a fork carriage side shifter (not shown in the figure). The fork carriage side shifter is installed on the fork tilting plate 59, and the fork body 55 is adjustably installed on the fork carriage side shifter. By setting the fork carriage side shifter, the position of the heavy object can be adjusted in the front, rear, left, right, up, and down directions after it is lifted, so that the fixing bolt holes are aligned for convenient installation.

[0041] The fork carriage mechanism 5 in this embodiment may further include a fork swing oil cylinder 57 and a fork cushion block 58. The fork cushion block 58 is fixed on the fork tilting plate 59. The cylinder barrel of the fork swing oil cylinder 57 is installed on the fork lift carriage 51, and the piston rod of the fork swing oil cylinder 57 contacts the fork cushion block 58. By pushing the fork cushion block 58 with the fork swing oil cylinder 57, the fork body 55 can be tilted to facilitate lifting heavy objects, and the heavy object can be a transformer.

[0042] The winch mechanism 6 in this embodiment includes a winch main body 61 and a winch guide pulley 62. The winch main body 61 is installed on the outer door moving frame 23 in the outer door frame mechanism 2, and one winch guide pulley 62 is installed on each of the outer door frame main body 21 in the outer door frame mechanism 2 and the inner door frame main body 41 in the inner door frame mechanism 4. The steel rope of the winch main body 61 bypasses the winch guide pulley 62.

[0043] Specifically, when the mobile three-stage gantry assembly is working, the outer door moving frame 23 is driven by the moving oil cylinder 12 to move on the fixed frame 11 through the outer door moving track wheels 24, and the outer door frame mechanism 2 is pushed out or pulled back. The middle door frame main body 31 is driven by the middle door lifting oil cylinder 33 to rise or fall. At the same time, when the middle door frame main body 31 rises, the inner door frame main body 41 can be driven to rise or fall synchronously through the inner door lifting chain 43. When the inner door frame main body 41 rises, the fork lift carriage 51 can be driven to rise or fall synchronously through the fork lift chain 54. When descending, the fork lift carriage 51 can fall below the fixed frame 11 and contact the ground. The fork body 55 can push the fork cushion block 58 through the fork swing oil cylinder 57, so that the fork body 55 swings on the fork lift carriage 51.

[0044] In addition, it should be noted that for the specific embodiments described in this specification, the shapes and names of their components can be different. The above content described in this specification is only an example of the structure of the present invention. Any equivalent changes or simple changes made according to the structure, features, and principles described in the patent concept of the present invention are included in the protection scope of the patent of the present invention. Those skilled in the technical field to which the present invention belongs can make various modifications or supplements to the described specific embodiments or use similar methods to replace them, as long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims of the present invention, they should fall within the protection scope of the present invention.

Claims

1. A mobile three-stage gantry assembly for a special vehicle for pole-mounted transformer construction, characterized in that: The invention comprises a moving mechanism (1), an outer mast mechanism (2), a middle mast mechanism (3), an inner mast mechanism (4) and a fork frame mechanism (5), wherein the outer mast mechanism (2) is slidably mounted on the moving mechanism (1), the middle mast mechanism (3) is slidably mounted on the outer mast mechanism (2), the inner mast mechanism (4) is slidably mounted on the middle mast mechanism (3), and the fork frame mechanism (5) is slidably mounted on the inner mast mechanism (4).

2. The mobile three-stage gantry assembly of the pole-mounted transformer construction vehicle according to claim 1 is characterized in that: A winch mechanism (6) is also installed on the outer door frame mechanism (2).

3. The mobile three-stage gantry assembly of the pole-mounted transformer construction vehicle according to claim 1 is characterized in that: The moving mechanism (1) comprises a fixed frame (11) and a moving cylinder (12); the outer gantry mechanism (2) is slidably mounted on the fixed frame (11); and one end of the moving cylinder (12) is connected to the outer gantry mechanism (2).

4. The mobile three-stage gantry assembly of the pole-mounted transformer construction vehicle according to claim 1 is characterized in that: The outer door frame mechanism (2) comprises an outer door frame body (21), an outer door lifting track wheel (22), an outer door moving frame (23) and an outer door moving track wheel (24); the outer door moving frame (23) is slidably mounted on the moving mechanism (1) via the outer door moving track wheel (24); the outer door frame body (21) is fixed on the outer door moving frame (23); the outer door lifting track wheel (22) is mounted on the outer door frame body (21); and the outer door lifting track wheel (22) cooperates with the middle door frame mechanism (3).

5. The mobile three-stage gantry assembly of the pole-mounted transformer construction vehicle according to claim 1 is characterized in that: The middle door frame mechanism (3) comprises a middle door frame body (31), a middle door track wheel (32) and a middle door lifting cylinder (33); the middle door frame body (31) is slidably mounted on the outer door frame mechanism (2); the middle door track wheel (32) is mounted on the middle door frame body (31), and the middle door track wheel (32) cooperates with the inner door frame mechanism (4); the cylinder barrel of the middle door lifting cylinder (33) is mounted on the outer door frame mechanism (2); and the piston rod of the middle door lifting cylinder (33) is connected to the middle door frame body (31).

6. The mobile three-stage gantry assembly of the pole-mounted transformer construction vehicle according to claim 1 is characterized in that: The inner door frame mechanism (4) comprises an inner door frame body (41), an inner door lifting sprocket (42) and an inner door lifting chain (43); the inner door frame body (41) is slidably mounted on the middle door frame mechanism (3); the fork frame mechanism (5) is slidably mounted on the inner door frame body (41); the inner door lifting sprocket (42) is mounted on the middle door frame mechanism (3); the inner door lifting chain (43) bypasses the inner door lifting sprocket (42); and the two ends of the inner door lifting chain (43) are respectively connected to the outer door frame mechanism (2) and the inner door frame mechanism (4).

7. The mobile three-stage gantry assembly of the pole-mounted transformer construction vehicle according to claim 1 is characterized in that: The fork frame mechanism (5) comprises a fork lifting frame (51), a fork track wheel (52), a fork lifting sprocket (53), a fork lifting chain (54), a fork body (55), a fork swing shaft (56) and a fork tilting plate (59). The fork lifting frame (51) is slidably mounted on the inner mast mechanism (4) via the fork track wheel (52); the fork tilting plate (59) is rotatably mounted on the fork lifting frame (51) via the fork swing shaft (56); the fork body (55) is adjustably mounted on the fork tilting plate (59); the fork lifting sprocket (53) is mounted on the inner mast mechanism (4); the fork lifting chain (54) bypasses the fork lifting sprocket (53); and the two ends of the fork lifting chain (54) are respectively connected to the middle mast mechanism (3) and the fork lifting frame (51).

8. The mobile three-stage gantry assembly of the pole-mounted transformer construction vehicle according to claim 7 is characterized in that: The fork frame mechanism (5) further comprises a fork frame side shifter, wherein the fork frame side shifter is mounted on the fork forward tilting plate (59), and the fork body (55) is adjustably mounted on the fork frame side shifter.

9. The mobile three-stage gantry assembly of the pole-mounted transformer construction vehicle according to claim 7, characterized in that: The fork frame mechanism (5) further comprises a fork swing cylinder (57) and a fork pad (58), wherein the fork pad (58) is fixed on the fork tilt plate (59), the cylinder barrel of the fork swing cylinder (57) is mounted on the fork lifting frame (51), and the piston rod of the fork swing cylinder (57) is in contact with the fork pad (58).

10. The mobile three-stage gantry assembly of the pole-mounted transformer construction vehicle according to claim 2, characterized in that: The winch mechanism (6) comprises a winch body (61) and a winch guide wheel (62); the winch body (61) is mounted on an outer gantry mechanism (2); a winch guide wheel (62) is mounted on each of the outer gantry mechanism (2) and the inner gantry mechanism (4); and a steel rope of the winch body (61) passes around the winch guide wheel (62).

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