CN211335465U

CN211335465U - Towing pin adapter

Info

Publication number: CN211335465U
Application number: CN202020006944.0U
Authority: CN
Inventors: 牛旭
Original assignee: Jiesheng Carter Automobile Testing Equipment Beijing Co ltd
Current assignee: Jiesheng Carter Automobile Testing Equipment Beijing Co ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-08-25
Anticipated expiration: 2030-01-02

Abstract

The utility model relates to a towing pin adapter, it is including the installation pole, the bilateral symmetry at installation pole middle part is provided with two splint, every splint slide along the length direction of installation pole on connecting the installation pole, the slide has been seted up on the installation pole, the rigid coupling has the slider that can slide in the slide on every splint, the spout that communicates with the slide is seted up along its length direction to the leading flank of installation pole, the leading flank of installation pole is provided with two drive plates, two drive plates rigid coupling respectively are on two sliders, be provided with the drive assembly who orders about two drive plates and keep away from each other or be close to on the installation pole. The utility model has the advantages that the mountable is to the different traction pin of multiple diameter, has improved the suitability of traction pin adapter.

Description

Towing pin adapter

Technical Field

The utility model relates to a measuring tool auxiliary device especially relates to a towing pin adapter.

Background

The Chinese utility model with the publication number of CN204495571U discloses a frame self-centering scale, which comprises a frame, wherein a first telescopic rod and a second telescopic rod which are parallel to each other are arranged in the frame; the first telescopic rod and the second telescopic rod synchronously and reversely extend into or out of the rack; and the first telescopic rod and the second telescopic rod are both suspended to an axle of the vehicle through a lifting appliance. An object of the utility model is to provide an installation is rapid, convenient to carry's frame is from centering scale.

When a worker positions parameters of wheels and axles of a commercial vehicle, the frame self-centering scale needs to be installed on a frame of the measured vehicle, so that the deviation between the center line of the frame and the midpoint of the frame self-centering scale needs to be measured firstly, the worker needs to clamp a traction pin of the vehicle by using a traction pin adapter, then the frame self-centering scale is installed on the traction pin adapter, finally, two measuring heads are installed on two sides of the frame, the two measuring heads are enabled to read scales on reflection targets at two ends of the frame self-centering scale, and the deviation between the center line of the frame and the midpoint of the frame self-centering scale is obtained through calculation.

Referring to fig. 1, the conventional towing pin adapter generally includes a mounting rod 1, two clamping plates 3 for clamping on the circumference of the towing pin are fixedly connected to the mounting rod 1, the two clamping plates 3 are symmetrically distributed on two sides of the middle of the mounting rod 1, and mounting holes 2 for mounting a frame self-centering scale are provided on positions on the mounting rod 1 near two ends.

The above prior art solutions have the following drawbacks: because the distance between two splint on the towing pin adapter is fixed, can not play fine centre gripping to the towing pin of different diameters on the different vehicles, the suitability of current towing pin adapter is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a towing pin adapter, its advantage is mountable to the different towing pin of multiple diameter on, has improved the suitability of towing pin adapter.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a towing pin adapter, includes the installation pole, and the bilateral symmetry at installation pole middle part is provided with two splint, every splint slide along the length direction of installation pole and connect on the installation pole, seted up the slide on the installation pole, the rigid coupling has the slider that can slide in the slide on every splint, the leading flank of installation pole set up along its length direction with the spout of slide intercommunication, the leading flank of installation pole is provided with two drive plates, two drive plates rigid coupling respectively are on two sliders, be provided with the drive assembly who orders about two drive plates and keep away from each other or be close to on the installation pole.

Through adopting above-mentioned technical scheme, when the staff need install the towing pin adapter on the towing pin, start drive arrangement, make two drive plates keep away from each other, thereby drive two sliders and slide in the slide along the direction of keeping away from each other, make between two splint apart from suitable distance, then remove the towing pin adapter, make the towing pin on the vehicle be located between two splint, restart drive arrangement at last, make two splint be close to each other, from pressing from both sides tightly on the global of towing pin, the towing pin adapter mountable is on the towing pin of multiple diameter difference like this, the suitability of towing pin adapter has been improved.

The utility model discloses further set up to: two convex columns are fixedly connected to the opposite side faces of the two clamping plates, and an elastic arc-shaped plate which is abutted to the peripheral face of the traction pin is fixedly connected between each convex column.

Through adopting above-mentioned technical scheme, order about two splint and be close to each other when the staff to make the cambered surface of arc support tightly on the global of towing pin, thereby increased the clamping area to the towing pin, the reinforcing is to the stability of towing pin centre gripping.

The utility model discloses further set up to: and a spring used for driving the arc plate to bulge towards the direction deviating from the clamping plate is arranged between the arc plate and the clamping plate.

Through adopting above-mentioned technical scheme, support tightly at the arc at the global in-process of towing pin, can make the arc towards one side bending of spring, and then compress the spring, utilize the spring to the elastic force of arc, increase the clamp force of arc to the towing pin.

The utility model discloses further set up to: the drive assembly comprises a lead screw which is arranged along the length direction of the mounting rod and is arranged on the two drive plates in a penetrating mode, the lead screw comprises a polished rod at the middle part and screw rods which are coaxially fixedly connected at the two ends of the polished rod, the two drive plates are respectively in threaded connection with the screw rods at the two ends of the polished rod, the polished rod is sleeved with a connecting seat fixedly connected at the middle part of the mounting rod, and one end of the lead screw is provided with.

Through adopting above-mentioned technical scheme, the staff rotates the drive handle for the lead screw rotates around self, because the slider with the drive plate rigid coupling receives the slide restriction, makes the drive plate can not rotate along with the lead screw, but drive plate and lead screw threaded connection, thereby makes the drive plate remove along the axis of lead screw, and then realizes keeping away from each other or being close to of two drive plates.

The utility model discloses further set up to: the driving handle is fixedly connected with an inserting column with a polygonal cross section, the end face of the screw rod is provided with a jack for inserting the inserting column, and magnets which are mutually attracted are embedded in the end face of the inserting column and the bottom of the slot.

Through adopting above-mentioned technical scheme, realized that the connection can be dismantled on the lead screw to the actuating handle, on the staff of being convenient for installs two drive plates on the lead screw, the cross-section of inserting the post is the polygon for when the staff ordered about actuating handle and rotated, can drive the lead screw and rotate.

The utility model discloses further set up to: and a bearing is arranged between the polished rod and the connecting seat.

Through adopting above-mentioned technical scheme, when reducing work and driving about the lead screw and rotate, the frictional resistance who receives.

The utility model discloses further set up to: and a screw in threaded connection with the mounting rod is arranged in the middle of the mounting rod in a penetrating manner, and the end face of the screw is tightly abutted against the end face of the traction pin.

Through adopting above-mentioned technical scheme, when reducing the staff and touch the installation pole by accident for the condition that the towing pin adapter took place to rotate.

To sum up, the utility model discloses a beneficial technological effect does:

1. the traction pin adapter comprises a slide way, a slide block, a slide groove, a driving plate and a driving assembly, wherein the clamping plates are connected to the mounting rod in a sliding mode, and the driving assembly adjusts the distance between the two clamping plates, so that the traction pin adapter can be clamped on traction pins with different diameters, and the applicability of the traction pin adapter is improved;

2. through the setting of spring, utilize the spring to the elastic force of arc board, increase the clamp force of arc board to the towing pin.

Drawings

FIG. 1 is a schematic diagram of a prior art kingpin adapter.

FIG. 2 is a schematic diagram of the kingpin adapter of the present embodiment.

Fig. 3 is a schematic structural diagram of the driving assembly in the present embodiment.

Fig. 4 is a schematic structural view of an arc plate in a natural state of the spring in the present embodiment.

Fig. 5 is a schematic view of the connection structure of the driving plate and the screw rod in the present embodiment.

In the figure, 1, a rod is installed; 11. a slideway; 12. a chute; 2. mounting holes; 3. a splint; 31. a slider; 32. a drive plate; 33. a convex column; 34. an arc-shaped plate; 35. a spring; 4. a drive assembly; 41. a screw rod; 411. a polish rod; 412. a screw; 413. a slot; 42. a connecting seat; 43. a drive handle; 431. inserting a column; 432. a magnet; 5. a bearing; 6. and (4) screws.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2 and 3, a towing pin adapter disclosed by the present invention comprises a mounting rod 1, wherein mounting holes 2 for mounting a frame self-centering scale are respectively formed at positions on the mounting rod 1 near both ends, two clamping plates 3 for clamping on the circumferential surface of a towing pin are arranged on the mounting rod 1, the two clamping plates 3 are symmetrically distributed at both sides of the middle part of the mounting rod 1, each clamping plate 3 is connected to the mounting rod 1 in a sliding manner along the length direction of the mounting rod 1, a slide way 11 is formed on the side surface of the clamping plate 3 where the mounting rod 1 is inserted, two sliding blocks 31 capable of sliding in the slide way 11 are arranged in the slide way 11, the two sliding blocks 31 are respectively fixedly connected to the two clamping plates 3, a sliding groove 12 is formed on the front side surface of the mounting rod 1 along the length direction, the sliding groove 12 is communicated with the interior of the slide way 11, two driving plates 32 are arranged on the front side surface of the mounting rod, the mounting bar 1 is provided with a drive assembly 4 for driving the two drive plates 32 away from or towards each other.

When the staff need be installed the towing pin adapter on the towing pin, start drive assembly 4, make two drive plates 32 keep away from each other, thereby drive two sliders 31 and slide in slide 11 along the direction of keeping away from each other, make between two splint 3 apart from suitable distance, then remove the towing pin adapter, make the towing pin on the vehicle be located between two splint 3, restart drive assembly 4 at last, make two splint 3 be close to each other, thereby press from both sides tightly on the global of towing pin, the towing pin adapter mountable is to the different towing pin of multiple diameter like this, the suitability of towing pin adapter has been improved.

Referring to fig. 3, in order to enhance the stability of the two clamping plates 3 in clamping the towing pin, two convex columns 33 are fixedly connected to the opposite side surfaces of the two clamping plates 3, a long-strip-shaped and elastic arc-shaped plate 34 is arranged between the two convex columns 33, and the end part of the arc-shaped plate 34 is fixedly connected to one end of the convex column 33 far away from the clamping plate 3; when the staff orders about two splint 3 and is close to each other to make the cambered surface of arc 34 support tightly on the global of towing pin, thereby increased the clamping area to the towing pin, the reinforcing is to the stability of towing pin centre gripping.

Referring to fig. 4, in order to further improve the stability of two splint 3 to the towing pin centre gripping, so be provided with spring 35 on arc 34, the both ends of spring 35 rigid coupling respectively is on arc 34 and splint 3, when spring 35 is in the natural state, can make two arcs 34 towards relative face uplift, support the in-process on the global of towing pin at arc 34, can make arc 34 towards one side bending of spring 35, and then compress spring 35, utilize spring 35 to the elastic force of arc 34, increase the clamp force of arc 34 to the towing pin.

Referring to fig. 2 and 3, the driving assembly 4 includes a lead screw 41 disposed along the length direction of the installation rod 1 and penetrating through the two driving plates 32, the lead screw 41 includes a polished rod 411 in the middle and screws 412 coaxially and fixedly connected to both ends of the polished rod 411, the two driving plates 32 are respectively in threaded connection with the screws 412 at both ends of the polished rod 411, the two screws 412 have opposite rotation directions, the polished rod 411 penetrates through a connecting seat 42, the connecting seat 42 is fixedly connected to the middle of the installation rod 1, so that the lead screw 41 is rotatably supported on the connecting seat 42, and one end of the lead screw 41 is provided with a driving handle 43; therefore, the operator rotates the driving handle 43 to enable the screw rod 41 to rotate around the operator, the sliding block 31 fixedly connected with the driving plate 32 is limited by the slide rail 11, so that the driving plate 32 cannot rotate along with the screw rod 41, but the driving plate 32 is in threaded connection with the screw rod 41, so that the driving plate 32 moves along the axis of the screw rod 41, and the two driving plates 32 are far away from or close to each other.

Referring to fig. 3 and 5, when a worker installs the two driving plates 32 on the screw rod 41, the two driving plates 32 need to be screwed in from two ends of the screw rod 41, so the driving handle 43 is detachably connected to the screw rod 41, an inserting column 431 with a polygonal cross section is vertically and fixedly connected to one surface of the driving handle 43 facing the screw rod 41, an inserting slot 413 for the inserting column 431 to be inserted is formed in the end surface of the screw rod 41, and magnets 432 which attract each other are embedded in one end of the inserting column 431, which is far away from the driving handle 43, and the bottom of the inserting slot 413.

Referring to fig. 3, in order to make the screw rod 41 rotate around its axis more smoothly, the polish rod 411 is sleeved with a bearing 5 tightly fitted with the polish rod, the bearing 5 is installed on the connecting seat 42, and the outer peripheral surface of the bearing 5 is tightly fitted with the connecting seat 42.

Referring to fig. 3, the middle part of the installation rod 1 is provided with a screw 6 in threaded connection with the installation rod, one end of the screw 6 is abutted against the end face of the towing pin, and the rotation of the towing pin adapter caused by the fact that a worker accidentally touches the installation rod 1 is reduced.

The implementation principle of the embodiment is as follows: when the staff need be installed the towing pin adapter on the towing pin, rotation drive handle 43, make lead screw 41 rotate around self, keep away from each other of two drive plates 32, make between two splint 3 apart from suitable distance, then remove the towing pin adapter, make the towing pin on the vehicle be located between two splint 3, the staff rotates drive handle 43 once more at last, make being close to each other of two drive plates 32 on the lead screw 41, thereby arc 34 supports tightly on the global of towing pin, and make arc 34 crooked towards one side of spring 35, and then compress spring 35, utilize spring 35 to the elastic force of arc 34, increase the clamp force of arc 34 to the towing pin.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a towing pin adapter, is provided with two splint (3), its characterized in that including installation pole (1), the bilateral symmetry at installation pole (1) middle part: every splint (3) slide along the length direction of installation pole (1) and connect on installation pole (1), slide (11) have been seted up on installation pole (1), the rigid coupling has slider (31) that can slide in slide (11) on every splint (3), spout (12) with slide (11) intercommunication are seted up along its length direction to the leading flank of installation pole (1), the leading flank of installation pole (1) is provided with two drive plates (32), two drive plates (32) rigid coupling respectively are on two sliders (31), be provided with on installation pole (1) and order about drive assembly (4) that two drive plates (32) kept away from each other or are close to.

2. A kingpin adapter as recited in claim 1, wherein: two convex columns (33) are fixedly connected to the opposite side faces of the two clamping plates (3), and an elastic arc-shaped plate (34) which is abutted to the peripheral face of the traction pin is fixedly connected between each convex column (33).

3. A kingpin adapter as recited in claim 2, wherein: a spring (35) used for driving the arc plate (34) to bulge towards the direction deviating from the clamping plate (3) is arranged between the arc plate (34) and the clamping plate (3).

4. A kingpin adapter as recited in claim 1, wherein: drive assembly (4) are including arranging and wearing to establish lead screw (41) on two drive plates (32) along the length direction of installation pole (1), lead screw (41) are including polished rod (411) at middle part and screw rod (412) of coaxial rigid coupling at polished rod (411) both ends, two drive plates (32) threaded connection respectively are on screw rod (412) at polished rod (411) both ends, the cover is equipped with connecting seat (42) of rigid coupling in installation pole (1) middle part on polished rod (411), the one end of lead screw (41) is provided with driving handle (43).

5. The kingpin adapter of claim 4, wherein: the driving handle (43) is fixedly connected with an inserting column (431), the end face of the screw rod (41) is provided with an inserting hole for inserting the inserting column (431), and magnets (432) which are mutually attracted are embedded in the end face of the inserting column (431) and the groove bottom of the inserting groove (413).

6. The kingpin adapter of claim 5, wherein: a bearing (5) is arranged between the polish rod (411) and the connecting seat (42).

7. A kingpin adapter as recited in claim 1, wherein: the middle part of the mounting rod (1) is provided with a screw (6) in threaded connection with the mounting rod, and the end face of the screw (6) is tightly propped against the end face of the traction pin.