Special carrying vehicle

Abstract

The invention relates to the technical field of carrying vehicles, and particularly discloses a special carrying vehicle which comprises a vehicle body mechanism and a carrying mechanism, the vehicle body mechanism comprises a chassis, a driving wheel set and a portal arranged on the chassis, and the carrying mechanism comprises a first forking piece used for forking coffins and a second forking piece used for forking a cremation bed. The first forking piece comprises two first fork arms which are arranged on the door frame in a liftable mode through a lifting piece, the second forking piece comprises two second fork arms and two connecting arms, the connecting arms form a seesaw structure between the rear ends of the second fork arms and the lifting piece, and when the first fork arms drive the coffin to descend, the second fork arms are driven to ascend and descend. The descending piece can drive the second fork arm to ascend through the connecting arm, then the cremation bed is lifted, natural lifting is achieved, a power source is saved, coffins are made to be close to the cremation bed, transportation of the coffins and butt joint of the coffins and the cremation bed can be achieved through a single vehicle, the butt joint precision of the coffins and the cremation bed is high, and the overall carrying efficiency of the coffins is high.

Description

Technical Field

[0001] The present invention relates to the technical field of transport vehicles, in particular to a special transport vehicle. Background Art

[0002] In the current funeral industry, coffins are usually transported to crematoriums by hearses, but the coffins in the hearses are usually moved to the crematorium bed manually or with a simple cart. However, manual transportation is labor-intensive and can easily cause the coffin to be bumped due to improper operation. Therefore, some coffin transportation equipment has emerged.

[0003] However, traditional equipment can only transport coffins and cannot simultaneously adapt to the dual needs of coffin transportation and docking with the crematorium. That is, traditional equipment can only transport coffins to a position close to the crematorium and still requires manual assistance, or it cannot accurately transport the coffin to the corresponding position of the crematorium, which is inefficient. Summary of the Invention

[0004] The present invention is made in consideration of the above-mentioned problems. The purpose of the invention is to provide a special transport vehicle that can simultaneously adapt to the dual needs of coffin transport and cremation bed docking, thereby improving the transport efficiency of coffins.

[0005] To achieve the above-mentioned object, the present invention provides a special transport vehicle for transporting a coffin to a cremation bed, comprising: A vehicle body structure comprising a chassis, a driving wheel set located below the chassis, and a door frame arranged on the chassis in a vertical direction; The transport mechanism comprises: A first fork member, for forking the coffin, comprises two first fork arms symmetrically arranged on both sides of the door frame, the two first fork arms being liftably mounted on the door frame via a lifting member, and being independently or synchronously movable toward or away from each other in a horizontal direction via a transverse member; The second fork member is used to fork the cremation bed, which is arranged on the chassis and located below the first fork member; the second fork member includes two symmetrically arranged second fork arms, the front end of each second fork arm is hinged to the chassis through a connecting rod; and two connecting arms, the middle part of each connecting arm is rotatably mounted on the chassis through a pivot to form a fulcrum, the first end of the connecting arm is hinged to the rear end of the corresponding second fork arm, and the second end of the connecting arm extends upward and constitutes a driving part that can contact the descending lifting member; wherein, When the lifting member descends along with the first fork arm to the point where it can contact the second end of the connecting arm, the downward movement of the first fork arm can drive the connecting arm to rotate around the fulcrum through the lifting member, causing the first end of the connecting arm to move upward, thereby driving the rear end of the second fork arm to move upward, so that the second fork arm is lifted upward with the front hinge point as the axis; wherein, When the first fork arms descend to a first preset height, the two first fork arms may be moved by the traversing member in a direction away from each other by a predetermined distance to release the coffin.

[0006] According to the special transport vehicle described above, the first fork arm includes a supporting base plate and a limiting plate. The supporting base plate is L-shaped as a whole. The limiting plate is connected to the outer side of the supporting base plate and is higher than the inner side of the supporting base plate.

[0007] According to the special transport vehicle described above, the first fork arm also includes a first guide wheel, the limiting plate and the supporting base plate are combined to form a first groove, and multiple first guide wheels are arranged in the first groove at intervals along the length direction of the supporting base plate, and multiple first guide wheels are rotatably connected to the limiting plate and the supporting base plate through a first rotating shaft.

[0008] According to the special transport vehicle described above, the first fork arm further includes a locking member, the locking member including a locking block and a driving unit, the locking block being rotatably disposed in the first groove via a second rotating shaft and located in the middle of the supporting base plate, and the locking block having a first position in which it is retracted in the first groove and a second position in which its upper portion is extended above the first groove, and when the locking block is in the second position, the top height of the locking block is higher than the top height of the first guide wheel; The driving unit can drive the locking block to move from the first position to the second position, so that the locking block abuts against the bottom of the coffin.

[0009] According to the special transport vehicle described above, the drive unit includes a locking handle, a first connecting rod, a second connecting rod and a third connecting rod, one end of the first connecting rod is hinged on the limit plate, the other end of the first connecting rod is connected to one end of the locking handle, one end of the third connecting rod is connected to the end of the second rotating shaft, the other end of the third connecting rod is connected to one end of the second connecting rod, and the end of the second connecting rod away from the third connecting rod is connected to the middle part of the first connecting rod.

[0010] According to the special handling vehicle described above, the second fork pick-up member also includes a connecting frame, which is used to connect the two second fork arms. A first support frame and a second support frame arranged along the length direction are provided on opposite sides of the chassis. One end of the connecting rod is hinged to the first support frame, and the other end of the connecting rod is hinged to the front end of the second fork arm. The middle part of the connecting arm is rotatably connected to the second support frame through a pivot.

[0011] According to the special transport vehicle described above, the second fork member further includes a second guide wheel, and a plurality of the second guide wheels are arranged below the second fork arm at intervals along the length direction of the second fork arm and are located on the inner side of the second fork arm.

[0012] According to the special transport vehicle described above, the lifting component includes a lifting frame and the lifting cylinder. The lifting frame is arranged on the door frame so as to be liftable by the lifting cylinder, and the bottom of the lifting frame is provided with an abutment portion corresponding to the driving portion.

[0013] According to the special transport vehicle described above, the transverse moving member includes a guide rail and two electric push rods. The guide rail is arranged horizontally on the lifting frame. The two first fork arms are slidably connected to the guide rail through sliders. One end of the two electric push rods is hinged to the lifting frame, and the other ends of the two electric push rods are respectively hinged to the two first fork arms.

[0014] According to the special transport vehicle described above, the body structure also includes a control unit, which includes a steering handle and multiple control switches. The steering handle is used to control the driving wheel group, and the multiple control switches are respectively used to control the lifting cylinder and the electric push rod.

[0015] The present invention has the following beneficial effects: 1. The coffin can be forked from the hearse by the two first forks, and then the vehicle as a whole can be driven to move to the crematorium by the driving wheel set, and then the second fork is inserted into the bottom of the crematorium, at this time the first fork descends to drive the coffin down, and when the lifting member descends to abut against the second end of the connecting arm, the first fork and the lifting member continue to descend and can drive the second fork as a whole to rise through the connecting arm, thereby driving the crematorium to rise, and then synchronously reducing the distance between the coffin and the crematorium, and when the first fork descends to the first preset height, the coffin is very close to the crematorium, and the two first forks can move in the direction opposite to each other, thereby releasing the coffin, and the coffin can be accurately placed on the crematorium, so that the transportation of the coffin and the docking of the coffin with the crematorium can be realized by a single vehicle, the docking accuracy of the coffin and the crematorium is high, and the overall coffin handling efficiency is high; 2. The descending movement of the first fork arm can naturally drive the second fork arm to move upward, saving an independent power source; 3. In the first fork arm, a limit plate can be used to prevent the coffin from moving sideways, ensuring the stability of the coffin during movement. The first guide wheel can make it easier for the first fork arm to be inserted into the bottom of the coffin, making it more convenient to fork the coffin. 4. By driving the locking block to rotate, the coffin can be locked against the first guide wheel to prevent the coffin from sliding along the first guide wheel during transportation, thereby ensuring its stability. 5. The second guide wheel facilitates insertion into the bottom of the cremation bed, making fork picking more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the embodiment; Figure 2 It is a front side view of the overall structure of the embodiment; Figure 3 2 is a schematic structural diagram of the first fork arm of the embodiment.

[0017] In the picture: 100, body structure; 110, chassis; 111, first support frame; 112, second support frame; 120, drive wheel set; 130, mast; 140, control unit; 141, steering handle; 142, control switch; 200, transporting mechanism; 210, first fork-picking member; 211, first fork arm; 2111, supporting base plate; 2112, limiting plate; 2113, first guide wheel; 2114, first groove; 2115, locking member; 2115a, locking block; 2115b, second rotating shaft; 2115c, locking handle; 2115d, first connecting rod; 2115e, second connecting rod; 2115f, third connecting rod; 2116, connecting rod; 220, second fork-picking member; 221, second fork arm; 222, connecting arm; 223, connecting frame; 224, second guide wheel; 230, lifting member; 231, lifting frame; 232, lifting cylinder; 240, transverse member; 241, guide rail; 242, electric push rod. DETAILED DESCRIPTION

[0018] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0019] like Figure 1-3 As shown, a special transport vehicle includes a body mechanism 100 and a transport mechanism 200. The transport mechanism 200 is arranged on the body mechanism 100 and can be driven by the body mechanism 100 to move, thereby transporting the coffin to the cremation bed, thereby realizing the integrated transport of the coffin and the docking of the coffin with the cremation bed.

[0020] The vehicle body mechanism 100 includes a chassis 110, a driving wheel set 120 located below the chassis 110, and a gantry 130 arranged vertically on the chassis 110. The chassis 110 can be displaced on the ground through the driving wheel set 120, which mainly provides a movable support for the gantry 130 and the transport mechanism 200, making it easier to transport the coffin after it is forked.

[0021] Specifically, the transport mechanism 200 includes a first fork member 210 and a second fork member 220, wherein the first fork member 210 is used to fork the coffin, and the second fork member 220 is used to fork the cremation bed, and the second fork member 220 is located below the first fork member 210 to facilitate placing the coffin forked by the first fork member 210 on the cremation bed forked by the second fork member 220.

[0022] Among them, the first fork-picking member 210 includes two first fork arms 211 symmetrically arranged on both sides of the door frame 130. The two first fork arms 211 are both liftably set on the door frame 130 through the lifting member 230, and can be moved toward or away from each other independently or synchronously in the horizontal direction through the transverse member 240. When the two first fork arms 211 extend into the gap between the hearse and the coffin, the lifting member 230 can drive the two first fork arms 211 to rise, and then fork up the coffin. The distance between the two first fork arms 211 can be adjusted to make it suitable for coffins of different sizes. When the distance between the two first fork arms 211 is adjusted to be larger than the width of the coffin, the coffin can be released at this time, so that the coffin falls to the corresponding position of the cremation bed.

[0023] Among them, the second fork-picking member 220 includes two symmetrically arranged second fork arms 221 and two connecting arms 222. The front end of each second fork arm 221 is hinged to the chassis 110 through a connecting rod 2116, and the middle part of each connecting arm 222 is rotatably mounted on the chassis 110 through a pivot to form a fulcrum. The first end of the connecting arm 222 is hinged to the rear end of its corresponding second fork arm 221. The second end of the connecting arm 222 extends upward and constitutes a driving part that can contact the descending lifting member 230. When the driving part is subjected to a downward driving force, it drives the second end of the connecting arm 222 to descend, so that the connecting arm 222 rotates around the fulcrum as a whole, and causes the first end of the connecting arm 222 to rise, thereby driving the second fork arm 221 to rise as a whole, so that the second fork arm 221 forks the crematorium and drives the crematorium to rise.

[0024] In this embodiment, when the lifting member 230 descends with the first fork arm 211 to the point where it can contact the second end of the connecting arm 222, the downward movement of the first fork arm 211 can drive the connecting arm 222 to rotate around the fulcrum through the lifting member 230, causing the first end of the connecting arm 222 to move upward, thereby driving the rear end of the second fork arm 221 to move upward, so that the second fork arm 221 is lifted upward with the front hinge point as the axis, that is, when the coffin descends with the first fork arm 211, its gravity can naturally press down the second end of the connecting arm 222, thereby achieving cremation. The lifting of the bed causes the two to move toward a position close to each other, and the alignment accuracy of the coffin and the cremation bed is higher, and there is no need to arrange an additional power source for lifting the cremation bed. When the first fork arm 211 drops to the first preset height, the distance between the coffin and the cremation bed is relatively close, and the coffin will not be damaged if it falls directly on the cremation bed. Therefore, at this time, the two first fork arms 211 can be moved a predetermined distance in the direction away from each other through the transverse member 240 to release the coffin, so that the coffin can be accurately dropped at the predetermined position of the cremation bed. The predetermined distance is adjusted in real time according to the width of the coffin.

[0025] Furthermore, the first fork arm 211 includes a supporting base plate 2111 and a limiting plate 2112. The supporting base plate 2111 is L-shaped as a whole. The limiting plate 2112 is connected to the outer side of the supporting plate and is higher than the inner side height of the supporting base plate 2111. When the coffin is placed on the supporting base plate 2111, the limiting plate 2112 can limit the movement of the coffin toward the two outer sides, thereby preventing the coffin from falling from the outside and improving the stability of transportation.

[0026] Furthermore, the first fork arm 211 also includes a first guide wheel 2113, and the limiting plate 2112 and the supporting base plate 2111 are combined to form a first groove 2114. Multiple first guide wheels 2113 are arranged in the first groove 2114 at intervals along the length direction of the supporting base plate 2111, and the multiple first guide wheels 2113 are rotatably connected to the limiting plate 2112 and the supporting base plate 2111 through a first rotating shaft, that is, the multiple first guide wheels 2113 are rotatably arranged in the first groove 2114. The multiple first guide wheels 2113 on the two first forks 211 can guide the coffin, so that the two first forks 211 can be easily inserted into the bottom of the coffin.

[0027] Furthermore, although the first guide wheel 2113 can make it easy for the coffin to enter the first fork arm 211, the coffin is also easy to slip off the first guide wheel 2113 during transportation, that is, to detach from the first fork arm 211, which can easily cause the coffin to crash. Therefore, in this embodiment, the first fork arm 211 also includes a locking member 2115, which includes a locking block 2115a and a driving unit. The locking block 2115a is rotatably arranged in the first groove 2114 through the second rotating shaft 2115b, and its displacement supports the middle part of the plate. By rotating, different parts of the locking block 2115a can be directed upward, thereby realizing its position switching and height switching, thereby realizing unlocking and locking of the coffin.

[0028] Specifically, the locking block 2115a has a first position where it is retracted in the first groove 2114 and a second position where the locking block 2115a is extended above the first groove 2114. When the locking unit is in the second position, the top height of the locking block 2115a is higher than the top height of the first guide wheel 2113. When the locking block 2115a is in the first position, it will not interfere with the coffin, making it convenient to fork the coffin. The driving unit can drive the locking block 2115a to switch freely between the first position and the second position. When it drives the locking block 2115a to move from the first position to the second position, the top of the locking block 2115a can be made to abut against the bottom of the coffin, thereby locking the coffin, preventing the coffin from moving along the arrangement direction of the first guide wheel 2113, avoiding the coffin from falling due to rolling, and improving the stability of transportation.

[0029] Specifically, the driving unit includes a locking handle 2115c, a first connecting rod 2115d, a second connecting rod 2115e and a third connecting rod 2115f, one end of the first connecting rod 2115d is hinged on the limit plate 2112, the other end of the first connecting rod 2115d is connected to one end of the locking handle 2115c, one end of the third connecting rod 2115f is connected to the end of the second rotating shaft 2115b, the other end of the third connecting rod 2115f is connected to one end of the second connecting rod 2115e, and the end of the second connecting rod 2115e away from the third connecting rod 2115f is connected to the middle part of the first connecting rod 2115d. In this example, the initial state of the locking handle 2115c is horizontally placed. In the process of driving the locking block 2115a to move to the second position, one end of the locking handle 2115c can be pulled upward first, and the locking handle 2115c drives the first connecting rod 2115d to rotate. The rotation of the first connecting rod 2115d drives one end of the second connecting rod 2115e to rotate accordingly, and drives the third connecting rod 2115f to rotate through the second connecting rod 2115e, and then drives the third connecting rod 2115f to rotate through the second connecting rod 2115e, and the third connecting rod 2115f drives the locking block 2115a to rotate through the second rotating shaft 2115b.

[0030] In this embodiment, in order to meet the requirement of rotating the locking block 2115a to switch to different heights, the locking block 2115a is required to be provided with a protrusion on at least one side, and the protrusion is used to connect with the bottom of the coffin.

[0031] Furthermore, the second fork picking member 220 also includes a connecting member, the connecting frame 223 is used to connect the two second fork arms 221, so that the two second fork arms 221 keep rising and falling synchronously, and a first support frame 111 and a second support frame 112 are provided on the opposite sides of the chassis 110 along its length direction, one end of the connecting rod 2116 is hinged to the first support frame 111, and the other end of the connecting rod 2116 is hinged to the front end of the second fork arm 221, and the middle part of the connecting arm 222 is rotatably connected to the second support frame 112 through a pivot, wherein the first support frame 111 is used to provide rotation support for the front end of the second fork arm 221, and the second support frame 112 is used to provide rotation support for the connecting arm 222.

[0032] Furthermore, the second fork member 220 also includes a second guide wheel 224. A plurality of the second guide wheels 224 are arranged at intervals below the second fork arm 221 along the length direction of the second fork arm 221 and are located on the inner side of the second fork arm 221. A support portion is provided at the lower part of the cremation bed. When the second fork arm 221 is inserted under the cremation bed, the second guide wheels 224 under the two second fork arms 221 are respectively connected to the two sides of the support portion, thereby guiding the insertion of the second fork arm 221 to ensure insertion accuracy.

[0033] In this embodiment, after the first fork arm 211 forks the coffin from the hearse, it can be driven by the body mechanism 100 to move to the crematorium bed, and the second fork arm 221 is inserted under the crematorium bed. At this time, the second fork arm 221 does not fork the crematorium bed. Only when the first fork arm 211 drives the coffin to descend, the lifting member 230 drives the second fork arm 221 to rise. At this time, the second fork arm 221 forks the crematorium bed and lifts the crematorium bed. When the coffin is placed on the crematorium bed, the first fork arm 211 rises, and the lifting member 230 also rises, slowly releasing the connecting arm 222. The second fork arm 221 is pressed down by the gravity of the crematorium bed and the coffin, and it will also slowly descend until the second fork arm 221 is separated from the crematorium bed. At this time, the entire vehicle can be moved out.

[0034] Furthermore, the lifting member 230 includes a lifting frame 231 and a lifting cylinder 232. The lifting frame 231 can be lifted and lowered on the gantry 130 by the lifting cylinder 232, and the bottom of the lifting frame 231 is provided with an abutment portion corresponding to the driving portion, that is, the lifting cylinder 232 can drive the lifting frame 231 to perform lifting and lowering movements on the gantry 130, and drive the transverse member 240 and the two first fork arms 211 to perform lifting and lowering movements synchronously. In the process of synchronous descent of the lifting frame 231 and the two first fork arms 211, the abutment portion can press down the driving portion, thereby realizing the driving of the connecting arm 222.

[0035] Furthermore, the transverse member 240 includes a guide rail 241 and two electric push rods 242. The guide rail 241 is arranged horizontally on the lifting frame 231. The two first fork arms 211 are slidably connected to the guide rail 241 through a slider, and one end of the two electric push rods 242 is hinged on the lifting frame 231. The other ends of the two electric push rods 242 are respectively hinged to the two first fork arms 211. The two electric push rods 242 can independently control the movement of the two fork arms, thereby realizing synchronous or independent movement of the two first fork arms 211. Since the guide rail 241 is fixed on the lifting frame 231, the transverse member 240 and the first fork arms 211 can be driven to perform synchronous lifting and lowering movements through the lifting frame 231.

[0036] Furthermore, in order to achieve overall control of the vehicle, the body structure 100 also includes a control unit 140, which includes a steering handle 141 and multiple control switches 142. The steering handle 141 is used to control the drive wheel group 120, which can control it to drive the entire vehicle to travel and steer, and the multiple control switches 142 are used to control the lifting cylinder 232 and the electric push rod 242 respectively, control whether the lifting cylinder 232 and the electric push rod 242 are started or not, and control them to extend or retract.

[0037] In this embodiment, the driving wheel assembly 120 includes two driven wheels located at the front end of the bottom of the chassis 110 and a driving wheel located at the rear end of the chassis 110. The steering handle 141 is also used to control the driving wheels.

[0038] In this embodiment, a special transport vehicle is disclosed, including a body mechanism 100 and a transport mechanism 200. The body mechanism 100 includes a chassis 110, a drive wheel set 120, and a door frame 130 arranged on the chassis 110. The transport mechanism 200 includes a first fork picker 210 for forking a coffin and a second fork picker 220 for forking a cremation bed. The first fork picker 210 includes two first fork arms 211 arranged on the door frame 130 and can be raised and lowered by a lifting member 230. The second fork picker 220 includes two second fork arms 221 and two connecting arms 222. The connecting arms 222 form a rocker between the rear end of the second fork arms 221 and the lifting member 230. The seesaw structure is such that when the first fork arm 211 forks the coffin and the second fork arm 221 is inserted into the bottom of the crematorium, the first fork arm 211 descends along with the descending member, driving the coffin to descend. During this process, the descending member can drive the second fork arm 221 to rise through the connecting arm 222, thereby lifting the crematorium, achieving natural lifting, saving power source, and bringing the coffin closer to the crematorium. When the first fork arm 211 moves to a first preset height, the two first fork arms 211 move in directions away from each other, releasing the coffin, which can fall onto the crematorium. The transportation of the coffin and the docking of the coffin with the crematorium can be achieved by a single vehicle. The docking accuracy of the coffin with the crematorium is high, and the overall coffin handling efficiency is high.

[0039] The technical solutions of the present invention have been described in detail above with reference to the accompanying drawings, and the embodiments described are intended to facilitate understanding of the concepts of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments, without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0040] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0041] In addition, in the present invention, descriptions such as "first," "second," and "one" are for descriptive purposes only and should not be understood to indicate or imply their relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0042] In the present invention, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0043] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A special transport vehicle for transporting coffins to cremation beds, characterized in that: include: A vehicle body structure comprising a chassis, a driving wheel set located below the chassis, and a door frame arranged on the chassis in a vertical direction; The transport mechanism comprises: A first fork member, for forking the coffin, comprises two first fork arms symmetrically arranged on both sides of the door frame, the two first fork arms being liftably mounted on the door frame via a lifting member, and being independently or synchronously movable toward or away from each other in a horizontal direction via a transverse member; The second fork member is used to fork the cremation bed, which is arranged on the chassis and located below the first fork member; the second fork member includes two symmetrically arranged second fork arms, the front end of each second fork arm is hinged to the chassis through a connecting rod; and two connecting arms, the middle part of each connecting arm is rotatably mounted on the chassis through a pivot to form a fulcrum, the first end of the connecting arm is hinged to the rear end of the corresponding second fork arm, and the second end of the connecting arm extends upward and constitutes a driving part that can contact the descending lifting member; wherein, When the descending member descends along with the first fork arm to the point where it can contact the second end of the connecting arm, the downward movement of the first fork arm can drive the connecting arm to rotate around the fulcrum through the lifting member, causing the first end of the connecting arm to move upward, thereby driving the rear end of the second fork arm to move upward, so that the second fork arm is lifted upward with the front hinge point as the axis; wherein, When the first fork arms descend to a first preset height, the two first fork arms may be moved by the traversing member in a direction away from each other by a predetermined distance to release the coffin.

2. A special transport vehicle according to claim 1, characterized in that: The first fork arm includes a supporting base plate and a limiting plate. The supporting base plate is L-shaped as a whole. The limiting plate is connected to the outer side of the supporting base plate and is higher than the inner side of the supporting base plate.

3. A special transport vehicle according to claim 2, characterized in that: The first fork arm also includes a first guide wheel, the limiting plate and the supporting base plate are combined to form a first groove, and multiple first guide wheels are arranged in the first groove at intervals along the length direction of the supporting base plate, and multiple first guide wheels are rotatably connected to the limiting plate and the supporting base plate through a first rotating shaft.

4. A special transport vehicle according to claim 3, characterized in that: The first fork arm further includes a locking member, the locking member including a locking block and a driving unit, the locking block being rotatably disposed in the first groove via a second rotating shaft and located in the middle of the supporting base plate, and the locking block having a first position in which the locking block is retracted in the first groove and a second position in which the upper portion is extended above the first groove, and when the locking block is in the second position, the top height of the locking block is higher than the top height of the first guide wheel; The driving unit can drive the locking block to move from the first position to the second position, so that the locking block abuts against the bottom of the coffin.

5. A special transport vehicle according to claim 4, characterized in that: The driving unit includes a locking handle, a first connecting rod, a second connecting rod and a third connecting rod. One end of the first connecting rod is hinged on the limit plate, the other end of the first connecting rod is connected to one end of the locking handle, one end of the third connecting rod is connected to the end of the second rotating shaft, the other end of the third connecting rod is connected to one end of the second connecting rod, and the end of the second connecting rod away from the third connecting rod is connected to the middle part of the first connecting rod.

6. The special transport vehicle according to claim 1, characterized in that: The second fork member also includes a connecting frame, which is used to connect the two second fork arms. A first support frame and a second support frame arranged along the length direction of the chassis are provided on opposite sides. One end of the connecting rod is hinged to the first support frame, and the other end of the connecting rod is hinged to the front end of the second fork arm. The middle part of the connecting arm is rotatably connected to the second support frame through a pivot.

7. A special transport vehicle according to claim 6, characterized in that: The second fork member further includes a second guide wheel. A plurality of the second guide wheels are arranged below the second fork arm at intervals along the length direction of the second fork arm and are located on the inner side of the second fork arm.

8. The special transport vehicle according to claim 1, characterized in that: The lifting member includes a lifting frame and the lifting cylinder. The lifting frame is arranged on the door frame so as to be lifted and lowered by the lifting cylinder, and a contact portion corresponding to the driving portion is provided at the bottom of the lifting frame.

9. The special transport vehicle according to claim 8, characterized in that: The transverse moving member includes a guide rail and two electric push rods. The guide rail is arranged horizontally on the lifting frame. The two first fork arms are slidably connected to the guide rail through a slider. One end of the two electric push rods is hinged to the lifting frame, and the other ends of the two electric push rods are respectively hinged to the two first fork arms.

10. The special transport vehicle according to claim 9, characterized in that: The vehicle body structure further includes a control unit, which includes a steering handle and a plurality of control switches. The steering handle is used to control the driving wheel set, and the plurality of control switches are respectively used to control the lifting cylinder and the electric push rod.

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