CN212796429U

CN212796429U - Tractor and auxiliary limiting device

Info

Publication number: CN212796429U
Application number: CN202021309209.3U
Authority: CN
Inventors: 陈锐源; 赖裕强
Original assignee: China Capital Fujian New Energy Power Manufacturing Co ltd
Current assignee: Guangdong Kaijie Power Supply Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-03-26
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to a tractor and supplementary stop device. Supplementary stop device includes: first sliding seat, spacing seat, locating part and regulating part, first sliding seat with spacing seat all is used for installing on the automobile body, just first sliding seat with reserve the installation interval that is used for the action bars to place between the spacing seat, the regulating part is rotationally installed on the first sliding seat, the locating part is rotationally installed on the regulating part, the one end of locating part with spacing seat joint cooperation, just the locating part is used for the restriction the action bars removes in the direction of operation. Above-mentioned supplementary stop device has realized the supplementary spacing to the action bars, avoids the action bars activity or removal to appear under the influence of external force, has avoided appearing unexpected separation between tractor and the year material instrument promptly.

Description

Tractor and auxiliary limiting device

Technical Field

The utility model relates to a technical field of new forms of energy car especially relates to tractor and supplementary stop device.

Background

Tractors are currently used more and more widely in the fields of transportation and freight, for example: the personal belongings of the passengers can be hauled and consigned in the airport through a towing vehicle. The traditional traction mode is that a traction rod assembly is additionally arranged on a tractor, namely, a driver moves the traction rod assembly to realize the connection of a traction piece and a loading tool. However, the towing vehicle can shake or shake when driving, so that the traction rod assembly can move, and at the moment, the connection and fixation of the traction piece and the material loading tool cannot be effectively guaranteed, namely, the situation of accidental separation between the towing vehicle and the material loading tool can occur.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a towing vehicle and an auxiliary limiting device for solving the problem of accidental separation between the towing vehicle and the material loading tool.

An auxiliary limiting device. Supplementary stop device includes: first sliding seat, spacing seat, locating part and regulating part, first sliding seat with spacing seat all is used for installing on the automobile body, just first sliding seat with reserve the installation interval that is used for the action bars to place between the spacing seat, the regulating part is rotationally installed on the first sliding seat, the locating part is rotationally installed on the regulating part, the one end of locating part with spacing seat joint cooperation, just the locating part is used for the restriction the action bars removes in the direction of operation.

The tractor comprises an auxiliary limiting device, and further comprises a tractor body, a material loading tool and a traction assembly, wherein the auxiliary limiting device is arranged on the tractor body, the traction assembly is connected and matched with the material loading tool, and the auxiliary limiting device is in limiting fit with the traction assembly.

In one embodiment, the tractor further comprises an installation body, a first rotating member and a second rotating member, a cab is arranged on the tractor body, the traction assembly extends into the cab, the installation body is installed in the cab, the limiting seat and the first movable seat are arranged on the installation body at an interval, the adjusting member is in running fit with the first movable seat through the first rotating member, and the adjusting member is in running fit with the limiting member through the second rotating member.

In one embodiment, a hook is disposed at one end of the limiting member, a slot corresponding to the hook is disposed on the limiting seat, and an isolating member is further disposed on the limiting member.

In one of them embodiment, pull the subassembly and include driving medium, second sliding seat, head rod, second connecting rod, movable rod and pull the piece, the second sliding seat is installed on the automobile body, be equipped with first pivot and second pivot on the second sliding seat, first pivot with the second pivot is passed through driving medium normal running fit, the one end of head rod with first pivot links to each other, the other end of head rod stretches into the driver's cabin of automobile body, the one end of second connecting rod with the second pivot links to each other, the other end of second connecting rod with the movable rod links to each other, the movable rod with pull the piece and link to each other.

In one embodiment, the first connecting rod comprises a bending rod and the operating rod, one bending end of the bending rod is connected with the first rotating shaft, the other bending end of the bending rod is connected with one end of the operating rod, and the other end of the operating rod extends into a cab of the vehicle body.

In one embodiment, the movable rod comprises a first transmission rod, a second transmission rod, a first movable joint and a second movable joint, one end of the first transmission rod is connected with the second connection rod, the other end of the first transmission rod is movably connected with one end of the second transmission rod through the first movable joint, and the second transmission rod is movably connected with the traction piece through the second movable joint.

In one embodiment, the tractor further comprises a connecting seat, an anti-dropping part and an installation bolt, wherein the connecting seat is arranged on the tractor body, the connecting seat is provided with a counterpoint groove, the traction part comprises an installation seat and a traction joint, the traction joint is arranged on the installation seat, the installation seat is connected with the movable rod, the traction joint and the material carrying tool all extend into the counterpoint groove for connection and matching, the connecting seat is provided with an anti-dropping hole, the installation bolt is arranged on the installation seat, the installation bolt is inserted into the anti-dropping hole, one end of the installation bolt extends out of the anti-dropping hole, the anti-dropping part is arranged on the connecting seat, the anti-dropping part is arranged in the counterpoint groove and the installation bolt extends out of one end of the anti-dropping hole.

In one embodiment, the anti-dropping part comprises a fixing sleeve ring and a connecting part, one end of the connecting part is connected with the fixing sleeve ring, the other end of the connecting part is connected with the connecting seat, and the fixing sleeve ring is sleeved and fixed with the mounting bolt.

In one embodiment, the material loading tool is provided with a traction hole, and the traction hole is used for being matched with the traction joint in an installation mode.

When the auxiliary limiting device is used, firstly, the installation interval between the first movable seat and the limiting seat is determined according to the size or shape of the used operating rod (the operating rod is used for correspondingly adjusting the traction piece). When the spacing operation is carried out to the action bars (or when the tractor needs to drive the material carrying tool and move), at first put into the action bars installation interval, then rotate the regulating part, locating part can be along with the regulating part together removes, and corresponding angular rotation also can take place with the regulating part simultaneously to the locating part (this process can make the joint of locating part and spacing seat easier on the one hand, and on the other hand can further improve the joint fixity ability of locating part and spacing seat through the angular rotation of regulating part and locating part after locating part and spacing seat joint are fixed) to it is fixed finally to realize the joint of locating part and spacing seat. In this case, the limiting member can limit the movement of the operating rod in the operating direction (the operating direction refers to the moving direction of the operating rod during use, for example, if the operating rod is in a pulling operation, the limiting member can determine the installation position of the limiting member between the first movable seat and the limiting seat according to the corresponding direction of the pulling direction of the operating rod in the installation interval or the path that the operating rod needs to pass through in the installation interval during operation). When the limiting part is required to be removed from limiting the operating rod, the limiting part is only required to be rotated again, the limiting part moves along with the adjusting part, the limiting part and the limiting seat can be separated from each other, and the limiting of the limiting part on the operating rod is removed at the moment. Above-mentioned supplementary stop device has realized the supplementary spacing to the action bars, avoids the action bars activity or removal to appear under the influence of external force, has avoided appearing unexpected separation between tractor and the year material instrument promptly.

When the tractor is used, the operating rod is firstly placed into the mounting interval, then the adjusting piece is rotated, the limiting piece can move along with the adjusting piece, meanwhile, the limiting piece can also rotate with the adjusting piece by a corresponding angle, and finally, the limiting piece and the limiting seat are clamped and fixed. At this time, the stopper can restrict the movement of the operation lever in the operation direction. When the limiting part is required to be removed from limiting the operating rod, the limiting part is only required to be rotated again, the limiting part moves along with the adjusting part, the limiting part and the limiting seat can be separated from each other, and the limiting of the limiting part on the operating rod is removed at the moment. Above-mentioned supplementary stop device has realized the supplementary spacing to the action bars, avoids the action bars activity or removal to appear under the influence of external force, has avoided appearing unexpected separation between tractor and the year material instrument promptly.

Drawings

FIG. 1 is a schematic structural view of an auxiliary limiting device during clamping and fixing;

FIG. 2 is a schematic structural view of the auxiliary position-limiting device when releasing the clamping fixation;

fig. 3 is a schematic structural view of the new energy vehicle and the auxiliary limiting device;

fig. 4 is a partially enlarged view of a portion a shown in fig. 3.

100. The connecting device comprises a first movable seat, 110, an installation space, 200, a limiting seat, 210, a clamping groove, 300, a limiting part, 310, a clamping hook, 320, a spacer, 400, an adjusting part, 500, a traction component, 501, an installation body, 502, a first rotating part, 503, a second rotating part, 510, a transmission part, 520, a second movable seat, 521, a first rotating shaft, 522, a second rotating shaft, 530, a first connecting rod, 531, a bending rod, 532, an operating rod, 540, a second connecting rod, 550, a movable rod, 551, a first transmission rod, 552, a second transmission rod, 553, a first movable joint, 554, a second movable joint, 560, a traction part, 561, an installation bolt, 562, an installation seat, 563, a traction joint, 600, a connecting seat, 610, an anti-dropping part, 611, a fixed collar, 612 and a connecting part.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1, 2 and 4, in one embodiment, the auxiliary limiting device includes: first sliding seat 100, spacing seat 200, locating part 300 and regulating part 400, first sliding seat 100 with spacing seat 200 all is used for installing on the automobile body, just first sliding seat 100 with reserve the erection space 110 that is used for action bars 532 to place between the spacing seat 200, regulating part 400 rotationally installs on first sliding seat 100, locating part 300 rotationally installs on regulating part 400, the one end of locating part 300 with spacing seat 200 joint cooperation, just locating part 300 is used for the restriction action bars 532 removes in the direction of operation.

When the auxiliary stopper is used, the installation space 110 between the first movable seat 100 and the stopper seat 200 is determined according to the size or shape of the operating rod 532 (the operating rod 532 is used to adjust the pulling member 560). When the limiting operation is required to be performed on the operating rod 532 (or when the tractor needs to drive the material loading tool to move), the operating rod 532 is firstly put into the installation space 110 and then rotates the adjusting part 400, the limiting part 300 can move together with the adjusting part 400, and meanwhile, the limiting part 300 can also rotate with the adjusting part 400 by a corresponding angle (in the process, on one hand, the clamping between the limiting part 300 and the limiting seat 200 is easier, and on the other hand, after the limiting part 300 is clamped and fixed with the limiting seat 200, the clamping fixing capacity between the limiting part 300 and the limiting seat 200 can be further improved by the angular rotation between the adjusting part 400 and the limiting part 300), and finally, the clamping fixation between the limiting part 300 and the limiting seat 200 is realized. At this time, the limiting member 300 can limit the movement of the operating rod 532 in the operating direction (the operating direction refers to the moving direction of the operating rod 532 when in use, for example, if the operating rod 532 is in a pulling operation, the limiting member 300 can determine the installation position of the limiting member 300 between the first movable seat 100 and the limiting seat 200 according to the corresponding direction of the pulling direction of the operating rod 532 in the installation space 110 or the path that the operating rod 532 needs to pass through in the installation space 110 when in operation). When the limiting of the limiting member 300 on the operating rod 532 needs to be released, only the adjusting member 400 needs to be rotated again, the limiting member 300 moves along with the adjusting member 400, so that the limiting member 300 and the limiting seat 200 can be separated from each other, and the limiting of the limiting member 300 on the operating rod 532 is released at this time. The auxiliary limiting device realizes auxiliary limiting of the operating rod 532, and avoids the operating rod 532 from moving or moving under the influence of external force, namely, the accidental separation between the tractor and the material carrying tool is avoided.

As shown in fig. 3 and 4, in an embodiment, a tractor includes the auxiliary limiting device described in the above embodiments, and further includes a vehicle body, a loading tool, and a traction assembly 500, where the auxiliary limiting device is mounted on the vehicle body, the traction assembly 500 is connected and matched with the loading tool, and the auxiliary limiting device is in limiting and matching with the traction assembly 500.

When the tractor is used, the operating rod 532 is firstly placed into the mounting space 110, then the adjusting member 400 is rotated, the limiting member 300 moves together with the adjusting member 400, meanwhile, the limiting member 300 and the adjusting member 400 rotate at a corresponding angle, and finally, the limiting member 300 and the limiting base 200 are clamped and fixed. At this time, the stopper 300 can restrict the movement of the operation lever 532 in the operation direction. When the limiting of the limiting member 300 on the operating rod 532 needs to be released, only the adjusting member 400 needs to be rotated again, the limiting member 300 moves along with the adjusting member 400, so that the limiting member 300 and the limiting seat 200 can be separated from each other, and the limiting of the limiting member 300 on the operating rod 532 is released at this time. The auxiliary limiting device realizes auxiliary limiting of the operating rod 532, and avoids the operating rod 532 from moving or moving under the influence of external force, namely, the accidental separation between the tractor and the material carrying tool is avoided.

As shown in fig. 1 and fig. 2, in an embodiment, the tractor further includes an installation body 501, a first rotating member 502, and a second rotating member 503, a cab is disposed on the vehicle body, the traction assembly 500 extends into the cab, the installation body 501 is installed in the cab, the limiting seat 200 and the first movable seat 100 are disposed on the installation body 501 at an interval, the adjusting member 400 is rotationally matched with the first movable seat 100 through the first rotating member 502, and the adjusting member 400 is rotationally matched with the limiting member 300 through the second rotating member 503. Specifically, the mounting body 501 is a mounting plate or a mounting block. The size or dimension of the mounting body 501 may be determined according to the operation position of the operation lever 532 on the vehicle body. The first rotating member 502 and the second rotating member 503 may be rotating shafts or cylinders. Further, the limiting seat 200 and the movable seat are both mounted on the mounting body 501, so that the auxiliary limiting device is more convenient to mount on the vehicle body. The traction assembly 500 is inserted into the cab such that a worker can directly perform a corresponding traction adjustment operation while driving without getting off the vehicle.

As shown in fig. 1 and 2, in an embodiment, one end of the limiting member 300 is provided with a hook 310, the limiting base 200 is provided with a slot 210 corresponding to the hook 310, the limiting member 300 is further provided with a spacer 320, when the limiting member 300 is fastened and fixed to the limiting base 200, the spacer 320 extends into the installation space 110, and the operating rod 532 is located between the spacer 320 and the limiting base 200. Specifically, the limiting member 300 is a limiting rod or a limiting plate. In this embodiment, the limiting member 300 is a bent limiting rod, that is, after the limiting member 300 is fastened and fixed to the limiting base 200, the movable base, the limiting base 200 and the operating rod 532 can be covered (surrounded) by the limiting member 300. Such an embodiment can effectively prevent the operating lever 532 from being accidentally disengaged from the auxiliary stopper. In addition, the movement range of the operating rod 532 in the installation space 110 can be effectively limited through the isolation member 320, and the fixing effect of the auxiliary limiting device on the operating rod 532 is ensured.

As shown in fig. 3, in one embodiment, the towing assembly 500 includes a transmission member 510, a second movable seat 520, a first connection rod 530, a second connection rod 540, a movable rod 550, and a towing member 560, the second movable seat 520 is mounted on the vehicle body, the second movable seat 520 is provided with a first rotation shaft 521 and a second rotation shaft 522, the first rotation shaft 521 and the second rotation shaft 522 are rotatably engaged with each other through the transmission member 510, one end of the first connection rod 530 is connected to the first rotation shaft 521, the other end of the first connection rod 530 extends into the cab of the vehicle body, one end of the second connection rod 540 is connected to the second rotation shaft 522, the other end of the second connection rod 540 is connected to the movable rod 550, and the movable rod 550 is connected to the towing member 560. Specifically, the transmission member 510 is a transmission rod or a transmission column. An installation groove is formed in the second movable seat 520, and the first rotating shaft 521 and the second rotating shaft 522 are both located in the installation groove. At this moment, the driver can move the first connecting rod 530 in the cab, the first connecting rod 530 can drive the first rotating shaft 521 to rotate, the transmission member 510 can rotate along with the first rotating shaft 521, meanwhile, the transmission member 510 can drive the second rotating shaft 522 to rotate, the second rotating shaft 522 can drive the second connecting rod 540 to move, the second connecting rod 540 drives the movable rod 550 to move, and the movable rod 550 can drive the traction member 560 to move relative to the connecting mechanism. The above embodiment enables the driver to separate the vehicle body from the loading tool directly through the transmission assembly without leaving the cab after driving the tractor to the target unloading area. In addition, a handle may be added to the movable rod 550, that is, when the pulling member 560 needs to be adjusted outside the vehicle body, a worker may directly lift the movable rod 550 by using the handle.

As shown in fig. 3, in one embodiment, the first connecting rod 530 includes a bending rod 531 and the operating rod 532, one bending end of the bending rod 531 is connected to the first rotating shaft 521, the other bending end of the bending rod 531 is connected to one end of the operating rod 532, and the other end of the operating rod 532 extends into the cab of the vehicle body. Specifically, after the first connecting rod 530 is connected to the first rotating shaft 521, a height difference between the operating rod 532 and the first rotating shaft 521 can be realized by the bending rod 531, for example: the height of the first rotating shaft 521 is higher than the installation height of the first operating lever 532. That is, the arrangement position of the operation lever 532 can be determined according to the arrangement condition in the cab. The above-described embodiment can make the arrangement of the first connecting rod 530 more convenient.

As shown in fig. 3, in one embodiment, the movable rod 550 includes a first transmission rod 551, a second transmission rod 552, a first movable joint 553, and a second movable joint 554, one end of the first transmission rod 551 is connected to the second connection rod 540, the other end of the first transmission rod 551 is movably connected to one end of the second transmission rod 552 through the first movable joint 553, and the second transmission rod 552 is movably connected to the pulling member 560 through the second movable joint 554.

As shown in fig. 3, in one embodiment, the towing vehicle further includes a connection seat 600, a retaining member 610 and a mounting bolt 561, the connecting base 600 is installed on the vehicle body, the connecting base 600 is provided with a positioning groove, the pulling member 560 comprises a mounting seat 562 and a pulling joint 563, the pulling joint 563 is mounted on the mounting seat 562, the mounting seat 562 is connected with the movable rod 550, the traction joint 563 and the material loading tool both extend into the alignment groove to be connected and matched, the connecting seat 600 is provided with an anti-falling hole, the installation bolt 561 is installed on the installation seat 562, the installation bolt 561 is inserted into the anti-falling hole, and one end of the installation plug 561 is extended out of the anti-drop hole, the anti-drop member 610 is installed on the connection seat 600, the anti-dropping part 610 is connected with one end of the mounting bolt 561 extending out of the anti-dropping hole in the alignment groove.

In particular, considering that the drawing member 560 may sometimes interfere with the coupling socket 600 during the insertion of the drawing member 560 into the aligning groove. Therefore, the freedom of movement of the movable rod 550 is greatly improved by the first movable joint 553 and the second movable joint 554, that is, when the pulling member 560 collides with the connection seat 600, the movable rod 550 can move and adjust the pulling member 560 by using the self-movement freedom, thereby ensuring that the pulling member 560 can be smoothly inserted into the alignment groove. In addition, when the loading tool is assembled with the vehicle body, the worker may pull the movable rod 550, and the movable rod 550 may be flexibly deformed by the first movable joint 553 and the second movable joint 554, so that the adjustment height required for the movable rod 550 may be effectively reduced.

As shown in fig. 3, in one embodiment, the anti-release member 610 includes a fixing collar 611 and a connecting member 612, one end of the connecting member 612 is connected to the fixing collar 611, the other end of the connecting member 612 is connected to the connecting seat 600, and the fixing collar 611 is sleeved and fixed with the mounting pin. Specifically, the connecting member 612 is a chain or a wire. After the traction joint 563 is inserted into the alignment groove, the mounting pin 561 is inserted into the receiving seat, and one end of the mounting pin 561 extends out of the anti-drop hole. At this time, the anti-release member 610 is connected to the end of the mounting pin 561 extending out of the anti-release hole in the alignment groove, so that the mounting seat 562 and the bearing seat are relatively fixed, that is, the towing joint 563 is prevented from being separated from the alignment groove due to the shaking of the towing vehicle during transportation.

In one embodiment, the material loading tool is provided with a traction hole, and the traction hole is used for being matched with the traction joint 563 in an installing mode. Specifically, in order to make the installation of carrying material instrument more convenient, can add the coordination seat at the tip of carrying material instrument, the coordination seat protrusion in the tip of carrying material instrument, the traction hole adds and establishes on the coordination seat, insert the coordination seat this moment in the counterpoint groove to proper counterpoint adjustment, just can realize drawing the connection cooperation of joint 563 and coordination seat, realized the automobile body promptly and carried the traction of material instrument and be connected.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. The utility model provides an auxiliary limiting device which characterized in that, auxiliary limiting device includes: first sliding seat, spacing seat, locating part and regulating part, first sliding seat with spacing seat all is used for installing on the automobile body, just first sliding seat with reserve the installation interval that is used for the action bars to place between the spacing seat, the regulating part is rotationally installed on the first sliding seat, the locating part is rotationally installed on the regulating part, the one end of locating part with spacing seat joint cooperation, just the locating part is used for the restriction the action bars removes in the direction of operation.

2. The tractor is characterized by comprising the auxiliary limiting device as claimed in claim 1, and further comprising a tractor body, a material loading tool and a traction assembly, wherein the auxiliary limiting device is arranged on the tractor body, the traction assembly is connected and matched with the material loading tool, and the auxiliary limiting device is in limiting fit with the traction assembly.

3. The tractor according to claim 2, further comprising an installation body, a first rotating member and a second rotating member, wherein a cab is disposed on the vehicle body, the traction assembly extends into the cab, the installation body is installed in the cab, the limiting seat and the first movable seat are spaced apart from each other on the installation body, the adjusting member is in running fit with the first movable seat through the first rotating member, and the adjusting member is in running fit with the limiting member through the second rotating member.

4. The towing vehicle according to claim 2, wherein a hook is disposed at one end of the limiting member, a slot corresponding to the hook is disposed on the limiting seat, a spacer is further disposed on the limiting member, when the limiting member is fixed to the limiting seat in a clamped manner, the spacer extends into the mounting space, and the operating rod is disposed between the spacer and the limiting seat.

5. The tractor according to claim 3, wherein the traction assembly includes a transmission member, a second movable seat, a first connecting rod, a second connecting rod, a movable rod and a traction member, the second movable seat is mounted on the vehicle body, the second movable seat is provided with a first rotating shaft and a second rotating shaft, the first rotating shaft is in running fit with the second rotating shaft through the transmission member, one end of the first connecting rod is connected with the first rotating shaft, the other end of the first connecting rod extends into the cab of the vehicle body, one end of the second connecting rod is connected with the second rotating shaft, the other end of the second connecting rod is connected with the movable rod, and the movable rod is connected with the traction member.

6. The tractor of claim 5, wherein the first connecting rod comprises a bent rod and the operating rod, one bent end of the bent rod is connected to the first rotating shaft, the other bent end of the bent rod is connected to one end of the operating rod, and the other end of the operating rod extends into a cab of the vehicle body.

7. The tractor of claim 5, wherein the movable rod comprises a first transmission rod, a second transmission rod, a first movable joint and a second movable joint, one end of the first transmission rod is connected with the second connection rod, the other end of the first transmission rod is movably connected with one end of the second transmission rod through the first movable joint, and the second transmission rod is movably connected with the traction member through the second movable joint.

8. The tractor according to claim 5, further comprising a connecting seat, a disengagement preventing member and a mounting bolt, wherein the connecting seat is mounted on the tractor body, the connecting seat is provided with an alignment groove, the traction member comprises a mounting seat and a traction joint, the traction joint is mounted on the mounting seat, the mounting seat is connected with the movable rod, the traction joint and the material carrying tool both extend into the alignment groove for connection and matching, the connecting seat is provided with a disengagement preventing hole, the mounting bolt is mounted on the mounting seat, the mounting bolt is inserted into the disengagement preventing hole, one end of the mounting bolt extends out of the disengagement preventing hole, the disengagement preventing member is mounted on the connecting seat, and the disengagement preventing member is connected with one end of the mounting bolt extending out of the disengagement preventing hole in the alignment groove.

9. The tractor according to claim 8, wherein the anti-release member includes a fixing collar and a connecting member, one end of the connecting member is connected to the fixing collar, the other end of the connecting member is connected to the connecting seat, and the fixing collar is fixedly sleeved on the mounting bolt.

10. The tractor of claim 8, wherein the loading tool defines a towing aperture for receiving the towing lug therein.