Traction disc structure of semitrailer

Abstract

The utility model relates to the technical field of semitrailers, in particular to a traction disc structure of a semitrailer, which comprises a traction disc main body and an adjusting mechanism, the adjusting mechanism comprises a base, an auxiliary supporting assembly, an auxiliary supporting groove body, a sleeve and a locking assembly, the sleeve is rotatably connected with the base and embedded in the inner side of the base, the traction disc main body is fixedly connected with the sleeve, and the locking assembly is fixedly connected with the traction disc main body. The base is fixedly connected with the traction disc body and located on the outer surface wall of the sleeve, the auxiliary supporting assembly is fixedly connected with the base and located at the upper end of the base, the auxiliary supporting groove body is fixedly connected with the traction disc body and located at the lower end of the traction disc body, the auxiliary supporting groove body is matched with the auxiliary supporting assembly, the number of the locking assemblies is two, and the two locking assemblies are embedded into the two ends of the base respectively. The angle of the traction disc body can be effectively and finely adjusted, the traction disc is suitable for semitrailer heads and semitrailer bodies of different models and types, the application range of the device is widened, and the application size of the device is enlarged.

Description

Technical Field

[0001] The utility model relates to the technical field of semi-trailers, in particular to a traction disc structure of a semi-trailer. Background Art

[0002] At present, the semi-trailer towing disc is a towing seat longitudinal rod and a towing beam vertically welded, the towing beam and the semi-trailer longitudinal beam vertically welded, the towing pin seat plate is welded to the towing beam and the towing seat longitudinal rod, the flange is welded to the towing pin seat plate, and finally the towing pin is connected to the towing pin seat through the flange, and the towing pin cooperates with the towing seat to realize the semi-trailer head towing the semi-trailer to move forward and turn. The towing connection method is relatively cumbersome, which limits its use.

[0003] The prior art CN107696806A provides a ball head tractor used on a semi-trailer, which is provided with a relatively simple connection ball head tractor, in which a mechanically rotating traction ball head and an easily connected traction head are arranged, so that when the traction ball head is connected to the trailer, the connection is simpler and more convenient, and the rotation is more flexible, thereby enhancing the adaptability to the road surface and improving the service life.

[0004] However, in the prior art, since the sizes and models of each semi-trailer head, semi-trailer and towing disc are different, the installation angles will not match when the towing pin and the towing disc are assembled, resulting in low applicability of the towing disc. Utility Model Content

[0005] The utility model aims to provide a towing disc structure for a semitrailer, aiming to solve the technical problem in the prior art that, due to the differences in the sizes of each semitrailer head, semitrailer and towing disc, the installation angles are not compatible when the towing pin and the towing disc are assembled, resulting in low applicability of the towing disc.

[0006] To achieve the above-mentioned purpose, the utility model adopts a traction disk structure of a semitrailer, including a traction disk body and an adjustment mechanism, the adjustment mechanism including a base, an auxiliary support assembly, an auxiliary support slot, a sleeve and a locking assembly, the sleeve is rotatably connected to the base and embedded in the inner side of the base, the traction disk body is fixedly connected to the sleeve and is located on the outer wall of the sleeve, the auxiliary support assembly is fixedly connected to the base and is located at the upper end of the base, the auxiliary support slot is fixedly connected to the traction disk body and is located at the lower end of the traction disk body, and the auxiliary support slot and the auxiliary support assembly are adapted to each other, and the number of the locking assemblies is two groups, and the two groups of the locking assemblies are respectively embedded at both ends of the base.

[0007] Among them, each group of the locking components includes a screw, a spring washer, a nut, an end ball and a chuck, the chuck is sleeved on the outer wall of the base and is located on one side of the sleeve, the number of the end balls is multiple, each of the end balls is rotatably connected to the chuck and is respectively embedded in one side of the chuck, the number of the screws is multiple, each of the screws is threadedly connected to the base, and one end of each of the screws passes through the base and is fixedly connected to the corresponding end ball, the number of the nuts is multiple, each of the nuts is threadedly connected to the corresponding screw and is respectively sleeved on the outer wall of the corresponding screw, the number of the spring washers is multiple, each of the spring washers is respectively sleeved on the outer wall of the corresponding screw and is respectively located on one side of the corresponding nut.

[0008] Among them, the auxiliary support assembly includes a fixed seat, a movable seat and an auxiliary spring, the fixed seat is fixedly connected to the base and is located at the upper end of the base, the movable seat is threadedly connected to the fixed seat and embedded in the upper end of the fixed seat, the auxiliary spring is embedded in the outer walls of the fixed seat and the movable seat, and the auxiliary spring is located between the fixed seat and the movable seat.

[0009] The traction disc structure of the semi-trailer further comprises a lubricating ball, and the number of the lubricating balls is multiple, each of the lubricating balls is rotatably connected to the traction disc body and is embedded in the interior of the traction disc body.

[0010] The traction disk structure of the semi-trailer further comprises an anti-skid insert, and the number of the anti-skid inserts is multiple, and each anti-skid insert is fixedly connected to the corresponding chuck and is located on one side of the corresponding chuck.

[0011] The utility model discloses a traction disc structure of a semi-trailer, wherein the base is fixedly mounted on the front of the semi-trailer, and the base is used to mount and support the sleeve and the locking assembly, the traction disc body is fixedly arranged on the outer wall of the sleeve, and the sleeve is rotated on the outer wall of the base to fine-tune the installation and fixing angle of the traction disc body, until the traction disc body is adjusted to a suitable angle, the locking assembly is locked, and the sleeve is clamped by the locking assembly to fix the sleeve to prevent the sleeve and the traction disc body from rotating during transportation, and when the angle of the traction disc body is fixed, the height of the auxiliary support assembly is adjusted until one end of the auxiliary support assembly contacts the auxiliary support slot body, so as to achieve the purpose of the auxiliary support assembly supporting the auxiliary support slot body and the traction disc body, and the above structure can effectively fine-tune the angle of the traction disc body, so as to be suitable for semi-trailer heads and semi-trailer bodies of different models and types, and improve the applicable scope and applicable size of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0014] Figure 2 It is a side view of the first embodiment of the utility model.

[0015] Figure 3 It is an enlarged view of the local structure of the first embodiment of the utility model.

[0016] Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0017] Figure 5 It is an enlarged view of the local structure of the second embodiment of the utility model.

[0018] 101-traction disc body, 102-base, 103-fixed seat, 104-movable seat, 105-auxiliary spring, 106-auxiliary support slot, 107-sleeve, 108-screw, 109-spring washer, 110-nut, 111-end ball, 112-chuck, 201-lubricating ball, 202-anti-slip insert. DETAILED DESCRIPTION

[0019] The first embodiment of the present application is:

[0020] See also Figures 1 to 3 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2 is a side view of the first embodiment of the utility model, Figure 3 It is an enlarged view of the local structure of the first embodiment of the utility model.

[0021] The utility model provides a traction disc structure of a semitrailer: it comprises a traction disc main body 101 and an adjusting mechanism, the adjusting mechanism comprises a base 102, an auxiliary support assembly, an auxiliary support slot 106, a sleeve 107 and a locking assembly, the locking assembly comprises a screw rod 108, a spring washer 109, a nut 110, an end ball 111 and a chuck 112, and the auxiliary support assembly comprises a fixed seat 103, a movable seat 104 and an auxiliary spring 105.

[0022] According to this specific embodiment, the sleeve 107 is installed by the base 102, and the angle of the traction disc body 101 is adjusted by rotating the sleeve 107 on the base 102, and the sleeve 107 is fixed by the locking assembly, and the traction disc body 101 is supported by the adaptation of the auxiliary support assembly and the auxiliary support slot 106.

[0023] The sleeve 107 is rotatably connected to the base 102 and embedded in the inner side of the base 102. The traction disc body 101 is fixedly connected to the sleeve 107 and is located on the outer wall of the sleeve 107. The auxiliary support assembly is fixedly connected to the base 102 and is located at the upper end of the base 102. The auxiliary support slot 106 is fixedly connected to the traction disc body 101 and is located at the lower end of the traction disc body 101. The auxiliary support slot 106 and the auxiliary support assembly are adapted to each other. There are two groups of locking assemblies, which are respectively embedded at both ends of the base 102. The base 102 is fixedly installed on the front of the semi-trailer, and the sleeve 107 and the locking assembly are installed and supported by the base 102. 101 is fixedly arranged on the outer wall of the sleeve 107. By rotating the sleeve 107 on the outer wall of the base 102, the installation and fixing angle of the traction disc body 101 can be finely adjusted. After the traction disc body 101 is adjusted to a suitable angle, the locking assembly is locked, and the sleeve 107 is clamped by the locking assembly to fix the sleeve 107 to prevent the sleeve 107 and the traction disc body 101 from rotating during transportation. When the angle of the traction disc body 101 is fixed, the height of the auxiliary support assembly is adjusted until one end of the auxiliary support assembly contacts the auxiliary support slot 106, so as to achieve the purpose of the auxiliary support assembly supporting the auxiliary support slot 106 and the traction disc body 101.

[0024] Secondly, the chuck 112 is sleeved on the outer wall of the base 102 and is located on one side of the sleeve 107. The number of the end balls 111 is multiple, and each of the end balls 111 is rotatably connected to the chuck 112 and is respectively embedded in one side of the chuck 112. The number of the screw rods 108 is multiple, and each of the screw rods 108 is threadedly connected to the base 102, and one end of each of the screw rods 108 passes through the base 102 and is fixedly connected to the corresponding end ball 111. The number of the nuts 110 is multiple, and each of the nuts 110 is threadedly connected to the corresponding screw rods 108 and is respectively sleeved on the outer wall of the corresponding screw rods 108. The number of the spring washers 109 is multiple, and each of the spring washers The sheets 109 are respectively sleeved on the outer wall of the corresponding screw rod 108 and are respectively located on one side of the corresponding nut 110. When the sleeve 107 and the traction disc body 101 are rotated to a suitable angle, the chuck 112 is moved to one side of the sleeve 107 for contact, and the nut 110 close to the side of the chuck 112 is locked, and then the remaining nuts 110 are locked. The screw rod 108 is locked and limited by multiple nuts 110, and the spring washer 109 improves the locking strength of the nut 110 to achieve the effect of preventing loosening. The end ball 111 is connected to the chuck 112. The spherical shape can be set to reduce vibration during transportation, reduce rigid vibration, and improve the service life of the device.

[0025] At the same time, the fixed seat 103 is fixedly connected to the base 102 and is located at the upper end of the base 102. The movable seat 104 is threadedly connected to the fixed seat 103 and embedded in the upper end of the fixed seat 103. The auxiliary spring 105 is embedded in the outer wall of the fixed seat 103 and the movable seat 104, and the auxiliary spring 105 is located between the fixed seat 103 and the movable seat 104. The movable seat 104 is supported by the fixed seat 103. When the traction disk body 101 is fixed by the locking assembly, the movable seat 104 is rotated to extend until one end of the movable seat 104 contacts and resists the auxiliary support groove 106. At the same time, the auxiliary spring 105 can play an effective role in preventing loosening, thereby improving the stability between the fixed seat 103 and the movable seat 104.

[0026] When using the traction disc structure of a semi-trailer of the present embodiment, the base 102 is fixedly mounted on the front of the semi-trailer, and the base 102 is used to mount and support the sleeve 107 and the locking assembly. The traction disc body 101 is fixedly arranged on the outer wall of the sleeve 107. The sleeve 107 is rotated on the outer wall of the base 102 to fine-tune the installation and fixing angle of the traction disc body 101. After the traction disc body 101 is adjusted to a suitable angle, the locking assembly is locked. The locking assembly is used to clamp the sleeve 107, thereby fixing the sleeve 107 to prevent the sleeve 107 and the traction disc body 101 from rotating during transportation. When the angle of the traction disc body 101 is fixed, the height of the auxiliary support assembly is adjusted until one end of the auxiliary support assembly contacts the auxiliary support slot 106, so as to achieve the purpose of supporting the auxiliary support slot 106 and the traction disc body 101 by the auxiliary support assembly. When the sleeve is After the traction disc body 101 and the traction disc body 107 are rotated to a suitable angle, the chuck 112 is moved to one side of the sleeve 107 to contact the nut 110 close to the chuck 112, and then the remaining nuts 110 are locked. The screw rod 108 is locked and limited by multiple nuts 110, and the spring washer 109 increases the locking strength of the nut 110 to prevent loosening. The end ball 111 is connected to the chuck 112, and the spherical shape is used to lock the screw rod 108. The arrangement can reduce vibration during transportation, reduce rigid vibration, and increase the service life of the device. The fixed seat 103 supports the movable seat 104. When the traction disc body 101 is fixed by the locking assembly, the movable seat 104 is rotated to extend until one end of the movable seat 104 contacts and abuts against the auxiliary support groove 106. At the same time, the auxiliary spring 105 can play an effective role in preventing loosening, thereby improving the stability between the fixed seat 103 and the movable seat 104.

[0027] The second embodiment of the present application is:

[0028] Based on the first embodiment, please refer to Figure 4 and Figure 5 ,in Figure 4 It is a structural schematic diagram of the second embodiment of the utility model. Figure 5 It is an enlarged view of the local structure of the second embodiment of the utility model.

[0029] The utility model provides a traction disk structure of a semitrailer, which also includes a lubricating ball 201 and an anti-skid insert 202. The lubricating ball 201 can improve the lubrication between the semitrailer head and the semitrailer, so that the semitrailer head and the semitrailer are more lubricated and reliable when turning.

[0030] According to this specific embodiment, the lubrication ball 201 improves the lubricity between the front of the semitrailer and the semitrailer, and the anti-slip insert 202 can improve the locking degree of the chuck 112 on the sleeve 107 .

[0031] There are multiple lubricating balls 201, each of which is rotatably connected to the traction disc body 101 and embedded in the traction disc body 101. The lubricating balls 201 improve the lubricity between the front of the semi-trailer and the semi-trailer. The anti-slip insert 202 can improve the locking degree of the chuck 112 on the sleeve 107. The lubrication of the lubricating balls 201 can reduce the application of butter at the traction disc and extend the service life of the butter.

[0032] Secondly, there are multiple anti-slip inserts 202, each of which is fixedly connected to the corresponding chuck 112 and is located on one side of the corresponding chuck 112. By adding multiple anti-slip inserts 202, the friction between the chuck 112 and the sleeve 107 can be increased, so that the locking effect of the chuck 112 on the sleeve 107 is better, and the locking stability of the traction disk body 101 can be further improved.

[0033] When the traction disk structure of a semi-trailer of the present embodiment is used, the lubricating ball 201 improves the lubricity between the semi-trailer head and the semi-trailer, the anti-skid insert 202 can improve the locking degree of the chuck 112 on the sleeve 107, and the lubrication of the lubricating ball 201 can reduce the application of butter on the traction disk, and at the same time, the service life of the butter can be extended. By adding a plurality of anti-skid inserts 202, the friction between the chuck 112 and the sleeve 107 can be increased, so that the locking effect of the chuck 112 on the sleeve 107 is better, and the locking stability of the traction disk body 101 can be further improved.

[0034] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A traction disk structure of a semitrailer, comprising a traction disk body, characterized in that: Also includes a regulating mechanism; The adjusting mechanism comprises a base, an auxiliary support assembly, an auxiliary support slot, a sleeve and a locking assembly. The sleeve is rotatably connected to the base and embedded in the inner side of the base. The traction disc body is fixedly connected to the sleeve and located on the outer wall of the sleeve. The auxiliary support assembly is fixedly connected to the base and located at the upper end of the base. The auxiliary support slot is fixedly connected to the traction disc body and located at the lower end of the traction disc body. The auxiliary support slot and the auxiliary support assembly are adapted to each other. There are two groups of locking assemblies, which are respectively embedded at both ends of the base.

2. A traction disk structure for a semitrailer according to claim 1, characterized in that: Each group of the locking components includes a screw, a spring washer, a nut, an end ball and a chuck. The chuck is sleeved on the outer wall of the base and is located on one side of the sleeve. There are multiple end balls, each of which is rotatably connected to the chuck and embedded in one side of the chuck. There are multiple screws, each of which is threadedly connected to the base, and one end of each screw passes through the base and is fixedly connected to the corresponding end ball. There are multiple nuts, each of which is threadedly connected to the corresponding screw and sleeved on the outer wall of the corresponding screw. There are multiple spring washers, each of which is sleeved on the outer wall of the corresponding screw and is located on one side of the corresponding nut.

3. A traction disk structure for a semitrailer as claimed in claim 2, characterized in that: The auxiliary support assembly includes a fixed seat, a movable seat and an auxiliary spring. The fixed seat is fixedly connected to the base and is located at the upper end of the base. The movable seat is threadedly connected to the fixed seat and embedded in the upper end of the fixed seat. The auxiliary spring is embedded in the outer walls of the fixed seat and the movable seat, and the auxiliary spring is located between the fixed seat and the movable seat.

4. A traction disk structure for a semitrailer as claimed in claim 3, characterized in that: The traction disk structure of the semi-trailer further comprises a lubricating ball, wherein the number of the lubricating balls is multiple, each of the lubricating balls is rotatably connected to the traction disk body and is embedded in the interior of the traction disk body.

5. A traction disk structure for a semitrailer as claimed in claim 4, characterized in that: The traction disk structure of the semi-trailer further comprises an anti-skid insert, and the number of the anti-skid inserts is multiple, and each anti-skid insert is fixedly connected to the corresponding chuck and is located on one side of the corresponding chuck.

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