CN220745186U - Heavy valve dismouting transportation equipment - Google Patents

Abstract

The utility model belongs to the technical field of pipeline valve maintenance and discloses heavy valve disassembly and assembly transportation equipment. The equipment comprises a conveying device, a rotating device and a hoisting device. The lifting device can clamp and lift the detached heavy valve, and the lifted heavy valve is placed on the conveying device under the driving of the rotating device, so that the heavy valve is conveyed. The utility model can avoid the interference of equipment for overhauling and disassembling the heavy valve in a narrow space, is convenient for the operation of overhauling staff, can effectively shorten the overhauling time of a single valve, improves the working efficiency and shortens the overhauling period in engineering.

Description

Heavy valve dismouting transportation equipment

Technical Field

The utility model relates to the technical field of pipeline valve maintenance, in particular to heavy valve disassembly and assembly transportation equipment.

Background

The valve can be used as an accessory of a pipeline, can be used for controlling the flow of various fluids such as air, water, steam and the like, and has the application range throughout various industries. The number of valves in engineering application is huge, and the specification and the model are various. In order to prolong the service life of the valve and ensure the opening and closing reliability, the valve needs to be overhauled and maintained in daily life.

The whole process of maintaining the valve mainly comprises the process of disassembling and assembling the valve on a pipeline, the subsequent transportation process and the maintenance process aiming at different defects. The heavy valve exceeding the controllable weight of the maintainer is disassembled and assembled, and the traditional mode is as follows: and erecting a scaffold above the valve, hanging the chain block on the scaffold right above the valve, binding the valve by using a hanging belt, hanging the valve on a chain block hook, and lifting the chain block to a transport vehicle for transporting to a maintenance center for maintenance after all limit bolts on the valve are removed.

When the space around the valve is narrow and small, the scaffold is limited in setting up height, so that the valve cannot be lifted to a proper height due to the fact that the hanging position of the chain block is low, and the scaffold is easy to interfere with surrounding equipment, so that setting up difficulty is increased. The time for dismounting the valve is increased, the maintenance efficiency is reduced, and the shortening of the engineering construction period is not facilitated.

Disclosure of Invention

The utility model aims to provide the heavy valve dismounting and transporting equipment which is convenient for overhauling operation of overhaulers on heavy valves and is beneficial to improving the working efficiency of overhauling.

To achieve the purpose, the utility model adopts the following technical scheme:

a heavy valve disassembly and assembly transportation device comprising:

the transportation device comprises a vehicle body and a lifting mechanism which is arranged on the vehicle body and can bear a heavy valve;

the turning device is arranged on the vehicle body;

the lifting device is used for lifting the heavy valve in a lifting manner, the lifting device is arranged on the rotating device, and the rotating device can drive the lifting device to rotate.

Preferably, the lifting mechanism includes:

the first sliding rail is arranged on the vehicle body;

the first shearing fork plate group and the second shearing fork plate group are mutually hinged; the first end of the first shearing fork plate group is hinged with the vehicle body, and the first end of the second shearing fork plate group is in sliding connection with the first sliding rail;

a placing plate for placing the detached heavy valve; the placing plate is provided with a second sliding rail, the second end of the first shearing fork plate group is in sliding connection with the second sliding rail, and the placing plate is hinged with the second end of the first shearing fork plate group;

the connecting piece is arranged on the first shearing fork plate group;

the first end of the adapter is rotationally connected with the connecting piece;

the first driving piece, the first end of first driving piece with the automobile body rotates to be connected, the second end with the second end of adaptor rotates to be connected, first driving piece can stretch out and draw back and drive first fork plate group with the synchronous elevating movement of second fork plate group.

Preferably, the swiveling device includes:

the support seat is arranged on the vehicle body;

the second driving piece is arranged on the supporting seat, and a first gear is arranged at the rotary output end of the second driving piece;

the rotating shaft is rotatably arranged on the supporting seat, a second gear is arranged on the rotating shaft, and the first gear is meshed with the second gear.

Preferably, the lifting device includes:

the third driving piece is arranged on the rotating shaft and is provided with an output end which moves along the vertical direction;

the connecting component is arranged on the output end of the third driving piece;

and the hoisting assembly is arranged on the connecting assembly and used for fixing the detached heavy valve.

Preferably, the hoisting assembly comprises:

the balance lever is penetrated through the connecting assembly, a plurality of first connecting holes are uniformly formed in the balance lever at intervals, and second connecting holes are correspondingly formed in the connecting assembly;

the positioning pin is detachably inserted into the first connecting hole and the second connecting hole;

and the clamping mechanism is arranged at the first end of the balance lever and is used for fixing the detached heavy valve.

Preferably, the hoisting assembly further comprises:

the bearing beam is arranged on the connecting component;

the balancing weight hook is arranged on the spandrel girder, the balancing lever is provided with a vertically through strip-shaped hole, the balancing weight hook is arranged in the strip-shaped hole in a penetrating mode, and the balancing weight hook is provided with an abutting piece abutting with the top of the balancing lever.

Preferably, the clamping mechanism comprises a first grabbing clamp and a second grabbing clamp, the second grabbing clamp is detachably mounted on the balance lever, and the first grabbing clamp and the second grabbing clamp are connected through fastening and detachment.

Preferably, the first shearing fork plate group comprises two first shearing fork plates arranged in parallel, the second shearing fork plate group comprises two second shearing fork plates arranged in parallel, a plurality of first mechanical positioning holes and a plurality of second mechanical positioning holes are formed in the switching positions of the first shearing fork plates and the second shearing fork plates around the rotating connection positions, and the pin shaft piece can be inserted in the first mechanical positioning holes and the second mechanical positioning holes in an aligned mode.

The heavy valve disassembly and assembly transportation equipment further comprises a counterweight device which is arranged independently, wherein the counterweight device comprises a counterweight car and a plurality of balancing weights arranged on the counterweight car.

Preferably, the anti-rollover assembly is detachably mounted on the vehicle body and comprises an anti-rollover bracket and a plurality of anti-rollover supporting legs which are uniformly distributed on the anti-rollover bracket and supported on the ground.

The beneficial effects are that:

the utility model provides auxiliary disassembly and assembly transportation equipment for a heavy valve, which can be used for carrying out auxiliary disassembly and assembly on the heavy valve installed in a narrow space and transporting the disassembled valve. The process of erecting the scaffold in the traditional auxiliary dismounting mode can be omitted, interference between the scaffold and surrounding equipment is avoided, and maintenance time of a single valve is effectively shortened. In addition, the disassembled heavy valve can be transported through the slewing device and the transportation device, so that the operation of maintenance workers is facilitated, the working efficiency is improved, and the overhaul period in engineering is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a heavy valve auxiliary disassembly and assembly transportation device provided by the utility model;

FIG. 2 is a schematic diagram of a transportation device according to the present utility model;

FIG. 3 is a schematic diagram of a transporting device according to the present utility model;

FIG. 4 is a schematic diagram of a transportation device according to the present utility model;

FIG. 5 is a cross-sectional view A-A of FIG. 4;

FIG. 6 is an enlarged partial schematic view at B in FIG. 5;

FIG. 7 is a schematic view of the overall structure of the rollover prevention assembly provided by the present utility model;

FIG. 8 is a schematic diagram of a turning device according to the present utility model;

FIG. 9 is a front view of a slewing device provided by the present utility model;

FIG. 10 is a cross-sectional view of C-C in FIG. 9;

FIG. 11 is a D-D sectional view of FIG. 9;

fig. 12 is a schematic structural view of a hoisting device provided by the utility model;

FIG. 13 is a schematic view of another construction of the clamping mechanism;

fig. 14 is a schematic view of the overall structure of the counterweight device provided by the utility model.

In the figure:

1. a transport device;

11. a vehicle body; 110. a front bottom plate; 111. a rear floor; 12. a lifting mechanism; 120. a first slide rail; 121. a first scissors plate group; 1210. a first scissors plate; 1211. a first mechanical locating hole; 122. a second scissors plate group; 1220. a second scissors plate; 1221. a second mechanical locating hole; 123. placing a plate; 124. a second slide rail; 125. a connecting piece; 126. an adapter; 127. a first driving member; 13. an anti-rollover assembly; 131. a rollover prevention bracket; 132. side-turning prevention supporting legs;

2. a slewing device;

201. a support base; 2010. a lower chassis of the supporting seat; 2011. a supporting seat upper chassis; 2012. a rotary plate; 2013. a lifting device placing disc; 2014. a first support column; 2015. a second support column; 2016. a support plate; 202. a second driving member; 203. a first gear; 204. a rotating shaft; 205. a second gear;

3. a hoisting device;

31. a third driving member; 32. a connection assembly; 320. a second connection hole; 33. hoisting the assembly; 331. a balance lever; 3310. a first connection hole; 3311. a bar-shaped hole; 332. a positioning pin; 333. a clamping mechanism; 3331. a first grab clip; 3332. a second grab clip; 3333. a fixing member; 3334. a chuck member; 3335. a link member; 334. a spandrel girder; 335. balancing weight hooks; 336. an abutment;

4. a counterweight device;

401. a weight-balancing vehicle; 402. and (5) balancing weights.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1, the utility model provides a heavy valve dismounting and conveying device, which comprises a conveying device 1, a turning device 2 and a hoisting device 3. The transportation device 1 comprises a vehicle body 11 and a lifting mechanism 12 capable of carrying heavy valves. The turning device 2 is mounted on the vehicle body 11 of the transport device 1. The hoisting device 3 is used for hoisting a heavy valve and is arranged on the turning device 2, and the turning device 2 can drive the hoisting device 3 to rotate so as to drive the hoisted valve to rotate. The equipment can assist in disassembly and transportation in the overhaul process of the heavy valve, is convenient and fast, can greatly improve the overhaul working efficiency, and is favorable for shortening the overhaul period in engineering.

As shown in fig. 2 to 5, the overall structure of the transportation device 1 in the heavy valve assembling and disassembling transportation equipment is schematically shown. In the present embodiment, it is preferable that the vehicle body 11 includes a front floor 110 and a rear floor 111, and the front floor 110 and the rear floor 111 are fixedly connected by a first slide rail 120 of the scissor lift mechanism 12 and fix the relative positions of the two. The push rod is also arranged on the car body 11, so that the transportation of the valve is facilitated.

The first shearing fork plate group 121 and the second shearing fork plate group 122 in the lifting mechanism 12 are hinged to each other through a hinge shaft, a placing plate 123 for placing a heavy valve is located above the first shearing fork plate group 121 and the second shearing fork plate group 122, and a second sliding rail 124 is further arranged on the placing plate 123. The first end of the first shearing plate group 121 is hinged with the front bottom plate 110 of the vehicle body 11, and the second end is in sliding connection with the second sliding rail 124; the second scissor plate set 122 has a first end slidably coupled to the first rail 120 and a second end hinged to the placement plate 123.

The connecting piece 125 is installed on the first scissor plate set 121, and the adaptor 126 is rotatably installed on the connecting piece 125. The first end of the first driving piece 127 is directly connected with the vehicle body 11 in a rotating way or is connected with the vehicle body through a connecting component in a rotating way, and the second end of the first driving piece 127 is connected with the adapter piece 126 in a rotating way, so that the first shearing fork plate set 121 and the second shearing fork plate set 122 can be driven to synchronously lift when the first driving piece 127 stretches out and draws back, the lifting of the heavy valve is completed, and the height required in actual work is reached.

The first fork plate set 121 includes two first fork plates 1210 arranged in parallel, and the second fork plate set 122 includes two second fork plates 1220 arranged in parallel. As shown in fig. 2 and 6, the first and second scissor plates 1210 and 1220 are respectively provided with a plurality of first and second mechanical positioning holes 1211 and 1221 around the rotation connection points, and the pin member can be aligned and inserted into the first and second mechanical positioning holes 1211 and 1221. The pin shaft piece and the mechanical positioning hole are matched with each other, so that the first shearing fork plate 1210 and the second shearing fork plate 1220 can be relatively fixed, further the lifting mechanism 12 is locked, and the lifting mechanism is stable at a certain height position.

Preferably, in the heavy valve disassembly and assembly transportation apparatus according to the present embodiment, the rollover prevention assembly 13 shown in fig. 7 is detachably mounted on the vehicle body 11. As shown in fig. 1 and 7, the rollover prevention assembly 13 includes a rollover prevention bracket 131 and a plurality of rollover prevention legs 132 uniformly distributed on the rollover prevention bracket 131 to be supported on the ground. The rollover prevention bracket 131 can avoid rollover phenomenon caused by overlarge weight of the disassembled and transported valve, and is beneficial to maintaining the balance of the transportation device 1.

As shown in fig. 9 to 11, the overall structure of the turning device 2 in the heavy valve assembling and disassembling transportation equipment is schematically shown. The turning device 2 is fixedly connected to the vehicle body 11 through a support base 201, and in this embodiment, is fixedly connected to the front floor 110 of the vehicle body 11. The second driving piece 202 is installed on the supporting seat 201, the first gear 203 is arranged at the rotary output end of the second driving piece 202, the rotating shaft 204 is also installed on the supporting seat 201, the second gear 205 is arranged on the rotating shaft 204, and the first gear 203 and the second gear 205 can output the power output by the second driving piece 202 through the rotating shaft 204 through mutual meshing, so that the whole machine of the upper hoisting device is driven to rotate.

Preferably, in the present embodiment, as shown in fig. 12, the supporting base 201 includes a supporting base lower chassis 2010, a supporting base upper chassis 2011, a swivel tray 2012, and a hoist device placement tray 2013. The lower chassis 2010 of the support base is fixedly connected with the upper chassis 2011 of the support base through a plurality of first support columns 2014 which are uniformly distributed, the lower end of the rotating shaft 204 is installed at the center of the lower chassis 2010 of the support base through a thrust bearing, and the upper end of the rotating shaft 204 is installed at the center of the upper chassis 2011 of the support base through a rolling bearing and is connected with a rotary disc 2012 arranged at the center of the upper chassis 2011 of the support base. Under the power output of the second driving member 202, the rotating shaft 204 can drive the rotating disc 2012 to rotate. Optionally, the rotary disc 2012 is fixedly connected with the lifting device placement disc 2013 through a plurality of second support columns 2015 which are uniformly distributed, and the top ends of the second support columns 2015 are higher than the lifting device placement disc 2013, so that the second support columns 2015 are conveniently fixedly connected with the lifting device 3.

In the present embodiment, the swing device 2 is fixedly connected to the front floor 110 of the vehicle body 11 through a support base 201. Preferably, the supporting seat 201 includes a supporting seat lower chassis 2010, a supporting seat upper chassis 2011, a rotary disc 2012, and a lifting device placement disc 2013, wherein the supporting seat lower chassis 2010 and the supporting seat upper chassis 2011 are fixedly connected through a plurality of uniformly distributed first support columns 2014. The second driving member 202 is fixed to the lower chassis 2010 of the support base, and preferably, in order to prevent the second driving member 202 from vibrating during operation, two support plates 2016 are also fixed to both sides of the second driving member 202.

As shown in fig. 12, the hoist 3 includes a third driving member 31, a connecting assembly 32, and a hoist assembly 33. The third driving member 31 is mounted on the rotating shaft 204, and driven by the rotating shaft 204, can realize circumferential movement. The third driving member 31 has an output end moving in a vertical direction, the connecting assembly 32 is mounted on the output end of the third driving member 31, the lifting assembly 33 is mounted on the connecting assembly 32, and the lifting assembly 33 can fix and lift the valve detached at different height positions under the driving of the third driving member 31.

Preferably, the lifting assembly 33 includes a balance lever 331, a locating pin 332, and a clamping mechanism 333. The balance lever 331 is uniformly provided with a plurality of first connecting holes 3310 at intervals, the connecting assembly 32 is correspondingly provided with a second connecting hole 320, and the balance lever 331 and the connecting assembly 32 can be detachably and fixedly connected by using the positioning pin 332, so that heavy valves with various weights can be hoisted. A clamping mechanism 333 is mounted to a first end of the balance lever 331 for clamping the detached heavy duty valve.

Preferably, the clamping mechanism 333 includes a first capture clip 3331 and a second capture clip 3332. The second capture clip 3332 is detachably mounted on the balance lever 331. The second capture clip 3332 is coupled to the first capture clip 3331 by a fastening and removal connection, which may be accomplished by a fastener such as a bolt, for example.

Preferably, if the clamping mechanism 333 is not capable of clamping the heavy duty valve when in high proximity to the positioning structure of the heavy duty valve itself, another form of clamping mechanism 333 may be used as shown in fig. 13. The fixing member 3333 and the chuck member 3334 of the clamping mechanism 333 are detachably and fixedly connected by a link member 3335. According to the actual needs in engineering application, connecting rod components 3335 with different lengths can be selected so as to facilitate the hoisting of the heavy valve. Illustratively, the link member 3335 is an existing member commonly used in the art, which is not specifically limited in this embodiment.

With continued reference to fig. 12, the hoist assembly 33 preferably further includes a bolster 334 and a counterweight hanger 335. The counterweight block 335 is mounted on the spandrel girder 334, and the spandrel girder 334 is mounted on the connection assembly 32 for carrying the weight of the counterweight block 335. Preferably, the balance lever 331 is provided with a vertically through bar-shaped hole 3311, the counterweight block hook 335 is provided with an abutting piece 336 capable of abutting against the top of the balance lever 331, and the counterweight block hook 335 is inserted into the bar-shaped hole 3311 and abuts against the abutting piece 336, so as to complete the counterweight of the hoisting device 3.

Preferably, as shown in fig. 14, the heavy valve dismounting and transporting device provided in this embodiment further includes a counterweight device 4 configured independently, which can ensure that the influence of equipment interference is reduced in a complex working environment, and the counterweight hook 335 on the hoisting device 3 is maximally approached. The counterweight device 4 comprises a movable counterweight car 401 and a number of counterweights 402 placed on the counterweight car 401. Preferably, the weight car 401 is also equipped with push rods and universal wheels for easy access by service personnel. When the valve is hoisted, a corresponding number of balancing weights 402 can be provided for the hoisting device 3 according to the actual weight of the valve, so that stability during hoisting of the heavy valve is ensured.

The operation flow of the heavy valve disassembly and assembly transportation equipment is as follows: the clamping mechanism 333 is selected according to the position of the on-site heavy valve and the self weight, and the positions of the rollover prevention component 13 and the counterweight device 4 are set. The lifting device 3 can be turned to a proper position under the driving of the second driving member 202 in the turning device 2. The swinging device 2 can be lifted to a proper height under the drive of the third driving piece 31 in the lifting device 3, and the heavy valve is clamped by the clamping mechanism 333. A corresponding number of counterweights 402 are suspended on the counterweight hooks 335 and are abutted against the balance lever 331 by the abutment 336. Then, the overhauling personnel dismantles the heavy valve, and after the dismantlement is accomplished, the heavy valve who dismantles removes to the conveyer 1 and places the top of board 123 under the drive of slewer 2. Under the drive of the first driving member 127, the lifting mechanism 12 in the conveying device 1 is lifted to a proper height, and the lifting mechanism 12 is fixed to a proper height through the mutual matching of the pin shaft member and the first mechanical positioning hole 1211 and the second mechanical positioning hole 1221, so that the heavy valve is lifted. Finally, the rollover prevention assembly 13 is removed, and the transportation device 1 and the counterweight device 4 are respectively pushed to a maintenance workshop. When the heavy valve is overhauled, the heavy valve can be kept clamped on the lifting device 3, and the heavy valve is positioned at a convenient overhauling position by adjusting the heights of the placing plate 123 and the balance lever 331.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A heavy valve disassembly and assembly transportation device, comprising:

a transportation device (1), wherein the transportation device (1) comprises a vehicle body (11) and a lifting mechanism (12) which is arranged on the vehicle body (11) and can bear a heavy valve;

a turning device (2) mounted on the vehicle body (11);

the lifting device (3) is used for lifting the heavy valve, the lifting device (3) is installed on the rotating device (2), and the rotating device (2) can drive the lifting device (3) to rotate.

2. The heavy valve disassembly and assembly transport equipment according to claim 1, wherein the lifting mechanism (12) comprises:

a first slide rail (120) mounted on the vehicle body (11);

a first shearing plate group (121) and a second shearing plate group (122) which are hinged with each other; the first end of the first shearing plate group (121) is hinged with the vehicle body (11), and the first end of the second shearing plate group (122) is in sliding connection with the first sliding rail (120);

a placement plate (123) for placing the detached heavy valve; the placing plate (123) is provided with a second sliding rail (124), the second end of the first shearing fork plate group (121) is in sliding connection with the second sliding rail (124), and the placing plate (123) is hinged with the second end of the first shearing fork plate group (121);

a connecting member (125) mounted on the first scissor plate set (121);

an adapter (126), a first end of the adapter (126) being rotatably connected to the connecting member (125);

the first driving piece (127), the first end of first driving piece (127) with automobile body (11) rotates to be connected, the second end with the second end of adaptor (126) rotates to be connected, first driving piece (127) can stretch out and draw back and drive first fork plate group (121) with synchronous elevating movement of second fork plate group (122).

3. Heavy valve disassembly and transportation equipment according to claim 1, characterized in that the swivel device (2) comprises:

a support base (201) mounted on the vehicle body (11);

the second driving piece (202) is arranged on the supporting seat (201), and a first gear (203) is arranged at the rotary output end of the second driving piece (202);

the rotating shaft (204) is rotatably mounted on the supporting seat (201), a second gear (205) is arranged on the rotating shaft (204), and the first gear (203) is meshed with the second gear (205).

4. A heavy valve disassembly and assembly transportation device according to claim 3, characterized in that the lifting means (3) comprises:

a third driving member (31) mounted on the rotating shaft (204), the third driving member (31) having an output end moving in a vertical direction;

a connection assembly (32) mounted on the output end of the third driving member (31);

and the hoisting assembly (33) is arranged on the connecting assembly (32) and is used for fixing the detached heavy valve.

5. The heavy valve disassembly and assembly transport equipment according to claim 4, wherein the lifting assembly (33) comprises:

the balance lever (331) is arranged in a penetrating manner on the connecting component (32), a plurality of first connecting holes (3310) are uniformly formed in the balance lever (331) at intervals, and second connecting holes (320) are correspondingly formed in the connecting component (32);

a positioning pin (332) detachably inserted into the first connection hole (3310) and the second connection hole (320);

and the clamping mechanism (333) is arranged at the first end of the balance lever (331) and is used for fixing the detached heavy valve.

6. The heavy valve disassembly and assembly transport equipment according to claim 5, wherein the lifting assembly (33) further comprises:

a spandrel girder (334) mounted on the connection assembly (32);

the balancing weight couple (335), balancing weight couple (335) install in on spandrel girder (334), bar hole (3311) that vertically link up have been seted up to balance lever (331), balancing weight couple (335) wear to locate in bar hole (3311), be provided with on balancing weight couple (335) with butt piece (336) of balance lever (331) top butt.

7. The heavy valve disassembly and assembly transport equipment according to claim 5, wherein the clamping mechanism (333) comprises a first clamping jaw (3331) and a second clamping jaw (3332), the second clamping jaw (3332) is detachably mounted on the balance lever (331), and the first clamping jaw (3331) and the second clamping jaw (3332) are detachably connected by fastening.

8. The heavy valve disassembly and assembly transportation device according to claim 2, wherein the first shearing fork plate set (121) comprises two first shearing fork plates (1210) which are arranged in parallel, the second shearing fork plate set (122) comprises two second shearing fork plates (1220) which are arranged in parallel, a plurality of first mechanical positioning holes (1211) and a plurality of second mechanical positioning holes (1221) are respectively formed in the first shearing fork plates (1210) and the second shearing fork plates (1220) around rotation joints, and pin shafts can be inserted into the first mechanical positioning holes (1211) and the second mechanical positioning holes (1221) in an aligned manner.

9. The heavy valve disassembly and assembly transportation equipment is characterized by further comprising a counterweight device (4) which is independently arranged, wherein the counterweight device (4) comprises a counterweight car (401) and a plurality of balancing weights (402) arranged on the counterweight car (401).

10. The heavy valve disassembly and assembly transportation device according to any one of claims 1-9, wherein an anti-rollover component (13) is detachably mounted on the vehicle body (11), and the anti-rollover component (13) comprises an anti-rollover bracket (131) and a plurality of anti-rollover supporting legs (132) which are uniformly distributed on the anti-rollover bracket (131) and supported on the ground.