Explosion-proof diesel engine trackless rubber-tyred vehicle facilitating trailer hinging and traction
By designing a steering hydraulic rod and connecting components on an explosion-proof diesel engine trackless rubber-tired vehicle, and utilizing threaded connections and multiple fixing mechanisms, the problem of requiring two people to operate in the existing technology has been solved. This enables a single person to quickly and stably connect the front and rear frames, improving operational convenience and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-31
AI Technical Summary
The existing explosion-proof diesel engine trackless rubber-tired vehicle requires two people to operate when connecting the front and rear frames, and cannot be completed by one person, which makes operation inconvenient.
A structure including a directional hydraulic rod, a connecting arm, and a connecting assembly is designed. Through the cooperation of the directional hydraulic rod and the connecting arm, a single person can quickly connect using threaded connection, guide sleeve, and multiple fixing methods. A locking block, extrusion wheel, and bevel gear mechanism are used for stable fixing.
It enables a single person to quickly and stably connect the front and rear frames, preventing them from falling off and improving the convenience and safety of operation.
Smart Images

Figure CN224060791U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of explosion-proof diesel engine trackless rubber-tired vehicles, specifically an explosion-proof diesel engine trackless rubber-tired vehicle that is easy to traction with a trailer. Background Technology
[0002] Underground auxiliary transportation in coal mines can be divided into two types: track-based auxiliary transportation and trackless auxiliary transportation. With the development of modern mining technology, underground trackless transportation equipment is widely used due to its speed, flexibility, low manpower requirements, and high efficiency.
[0003] A search revealed that patent document 201320359228.0 discloses "a two-way driving explosion-proof diesel engine trackless rubber-tired vehicle that is easy to traction with a trailer articulated." The technical problem to be solved is to provide a four-wheel drive, small turning radius, two-way driving explosion-proof diesel engine trackless rubber-tired vehicle that is easy to traction with a trailer articulated.
[0004] The patent requires two people to connect the front and rear frames. With the rear frame stationary, one person operates the front frame while the other checks the position of the articulated drive shaft assembly and provides guidance. If necessary, the position of the articulated drive shaft needs to be manually adjusted to ensure that the articulated parts on the front and rear frames can be locked together in the correct position. This operation requires two people and cannot be completed by one person. Therefore, we propose an explosion-proof diesel engine trackless rubber-tired vehicle that facilitates articulated traction of the trailer to solve the problems mentioned in the background art. Utility Model Content
[0005] The purpose of this utility model is to provide an explosion-proof diesel engine trackless rubber-tired vehicle that is easy to traction with a trailer articulated, so as to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: an explosion-proof diesel engine trackless rubber-tired vehicle that facilitates articulated traction of the trailer, comprising a cab and a trailer, wherein a directional hydraulic rod is installed between the cab and the trailer, a connecting arm is also installed on the right side of the cab, and a connecting component that cooperates with the connecting arm is fixedly installed at the bottom of the trailer.
[0007] The connecting assembly includes a connecting seat, which is fixedly installed at the bottom of the hanging bucket. A socket for use with a connecting arm is provided on the left side of the connecting seat. A cavity is provided inside the connecting seat and below the socket. A guide rod is fixedly installed between the top and bottom of the inner wall of the cavity. A pressing block is slidably connected to the guide rod along the axial direction. A locking block for inserting and fixing the connecting arm is fixedly connected to the top of the pressing block. A first screw is threaded to the right side of the connecting seat. A rotating block is fixedly connected to the left end of the first screw, penetrating into the cavity. A covering sleeve is movably connected to the outside of the rotating block. A pressing wheel is fixedly installed on the left side of the covering sleeve. A guide crossbar is fixedly connected to the right side of the inner wall of the cavity. A guide sleeve at the bottom of the covering sleeve is slidably connected to the surface of the guide crossbar along the axial direction.
[0008] Furthermore, a drive turntable is fixedly connected to the right end of the first screw, and a transmission housing is fixedly connected to the right side of the connecting seat above the drive turntable. Fixed housings communicating with each other are fixedly connected to both sides of the bottom of the transmission housing. Two second screws are rotatably connected inside the transmission housing. Movable blocks are threaded along the axial direction on the second screws. A translation plate is fixedly installed at the bottom of the movable block. The bottom of the translation plate extends into the interior of the fixed housing. A locking rod is fixedly connected to the side of the translation plate corresponding to the drive turntable. One end of the locking rod extends into the insertion hole on the surface of the drive turntable.
[0009] Furthermore, bearing seats are symmetrically installed inside the transmission housing, and two second screws are rotatably connected to the two bearing seats respectively. A driven bevel gear is fixedly installed at one end of the second screw. A rotating handle is also rotatably connected to the transmission housing. A locking screw is provided on the outside of the rotating handle. One end of the locking screw extends into the insertion hole on the surface of the transmission housing. A driving bevel gear that cooperates with the driven bevel gear is fixedly connected to one end of the rotating handle.
[0010] Furthermore, a spring-loaded groove is provided at the top of the extrusion block corresponding to the position of the guide vertical rod. A thrust spring is installed inside the spring-loaded groove. The two ends of the thrust spring are fixedly connected to the top of the cavity inner wall and the bottom of the spring-loaded groove inner wall, respectively. The right side of the extrusion block is an inclined surface.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0012] When connecting the connecting arm and connecting assembly, this invention inserts them into the socket on the left side of the connecting seat. Rotating the drive turntable causes the first screw to rotate, and through the threaded connection with the connecting seat, it drives the rotating block to rotate to the left. Limited by the guide crossbar and guide sleeve, the rotating block can drive the covering sleeve and extrusion wheel to move to the left, pressing the inclined surface of the extrusion block to the left. This causes the extrusion block to move vertically upwards under the connection of the guide vertical rod. The locking plug penetrates the through hole on the connecting arm, forming a vertical insertion and fixation until the drive turntable can no longer rotate. At this point, the two outer sockets align with the two locking plugs. Then, rotating the rotating handle causes the active bevel gear to... The two driven bevel gears rotate, which in turn drives the second screw to rotate under the connection of the bearing seat. The movable block threaded onto it can drive the translation plate to move inward, so that the locking rod is inserted into the insertion hole on the outside of the drive turntable until it can no longer rotate the rotating handle. Then, the locking screw on it is aligned with the insertion hole on the outside of the transmission housing. After rotating it, the rotating handle is finally fixed. This explosion-proof diesel engine trackless rubber-tired vehicle, which is easy to use and has a reasonable structural design, can be quickly connected by a single person when connecting the front and rear frames. The locking mechanism has high stability and adopts multiple fixing methods to effectively prevent them from falling off, resulting in good performance. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 This is a three-dimensional structural diagram of the connecting component of this utility model;
[0015] Figure 3 This is a front view sectional view of the connecting component of this utility model;
[0016] Figure 4 This utility model Figure 3 Side view of the structure at point AA.
[0017] In the diagram: 1. Head unit, 2. Trailer, 3. Directional hydraulic rod, 4. Connecting arm, 5. Connecting assembly, 51. Connecting seat, 52. Insert, 53. Cavity, 54. Guide vertical rod, 55. Extrusion block, 56. Locking insert, 57. First screw, 58. Rotary block, 59. Covering sleeve, 510. Extrusion wheel, 511. Guide crossbar, 512. Guide sliding sleeve, 513. Drive turntable, 514. Transmission housing, 515. Fixed housing, 516. Second screw, 517. Movable block, 518. Translation plate, 519. Locking insert, 520. Bearing seat, 521. Driven bevel gear, 522. Rotating handle, 523. Locking screw, 524. Driven bevel gear, 525. Springback groove, 526. Thrust spring. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] Please see Figure 1-4 An explosion-proof diesel engine trackless rubber-tired vehicle that facilitates articulated traction of the trailer includes a cab 1 and a trailer 2. A directional hydraulic rod 3 is installed between the cab 1 and the trailer 2. A connecting arm 4 is also installed on the right side of the cab 1. A connecting component 5 that works with the connecting arm 4 is fixedly installed at the bottom of the trailer 2.
[0020] The connecting assembly 5 includes a connecting seat 51, which is fixedly installed at the bottom of the hanging bucket 2. The left side of the connecting seat 51 has an insertion port 52 for use with the connecting arm 4. A cavity 53 is provided inside the connecting seat 51 and below the insertion port 52. A guide rod 54 is fixedly installed between the top and bottom of the inner wall of the cavity 53. A pressing block 55 is slidably connected to the guide rod 54 along the axial direction. A locking block 56 for the connecting arm 4 to be inserted and fixed is fixedly connected to the top of the pressing block 55. Several balls are movably installed on the left side of the pressing block 55, and the surface of the balls is in contact with the inner wall of the cavity 53.
[0021] The right side of the connecting seat 51 is threaded with a first screw 57. The left end of the first screw 57 passes through the cavity 53 and is fixedly connected to a rotating block 58. The outer side of the rotating block 58 is movably connected to a covering sleeve 59. A pressing wheel 510 is fixedly installed on the left side of the covering sleeve 59. A guide crossbar 511 is fixedly connected to the right side of the inner wall of the cavity 53. The guide sleeve 512 at the bottom of the covering sleeve 59 is axially slidably connected to the surface of the guide crossbar 511.
[0022] The right end of the first screw 57 is fixedly connected to a drive turntable 513. The right side of the connecting seat 51 is fixedly connected to a transmission housing 514 above the drive turntable 513. Both sides of the bottom of the transmission housing 514 are fixedly connected to a fixed housing 515 that communicates with it. Two second screws 516 are rotatably connected inside the transmission housing 514. A movable block 517 is threaded along the axial direction on the second screw 516. A translation plate 518 is fixedly installed at the bottom of the movable block 517. The bottom of the translation plate 518 extends into the interior of the fixed housing 515. A guide port for use with the translation plate 518 is opened at the bottom of the transmission housing 514. The front and rear sides of the translation plate 518 are respectively attached to the front and rear sides of the inner wall of the guide port, ensuring that the translation plate 518 can move horizontally under threaded transmission. A locking rod 519 is fixedly connected to one side of the translation plate 518 corresponding to the drive turntable 513. One end of the locking rod 519 extends into the insertion hole on the surface of the drive turntable 513.
[0023] The transmission housing 514 has bearing seats 520 symmetrically installed inside. Two second screws 516 are rotatably connected to the two bearing seats 520 respectively. A driven bevel gear 521 is fixedly installed at one end of the second screw 516. A rotating handle 522 is also rotatably connected to the transmission housing 514. A locking screw 523 is provided on the outside of the rotating handle 522. One end of the locking screw 523 extends into the insertion hole on the surface of the transmission housing 514. A driving bevel gear 524 that cooperates with the driven bevel gear 521 is fixedly connected to one end of the rotating handle 522.
[0024] A spring-loaded groove 525 is provided on the top of the extrusion block 55 corresponding to the guide rod 54. A thrust spring 526 is installed inside the spring-loaded groove 525. The two ends of the thrust spring 526 are fixedly connected to the top of the inner wall of the cavity 53 and the bottom of the inner wall of the spring-loaded groove 525, respectively. The right side of the extrusion block 55 is an inclined surface. When it is necessary to disengage from the connection between the connecting arm 4 and the connecting assembly 5, the extrusion wheel 510 moves to the right, and the thrust spring 526 can drive the extrusion block 55 back to its original position, thereby causing the locking plug 56 on its top to disengage from the connection with the connecting arm 4. An anti-detachment wheel groove is provided on the inclined surface of the right side of the extrusion block 55. The roller on the support of the extrusion wheel 510 is rolled and connected inside the anti-detachment wheel groove, which can prevent the extrusion wheel 510 from falling off the inclined surface of the extrusion block 55.
[0025] This explosion-proof diesel engine trackless rubber-tired vehicle, which facilitates the articulation and traction of the trailer, has a reasonable structural design and is easy to use. When connecting the front and rear frames, the connection can be quickly achieved by a single person. Furthermore, the locking mechanism has high stability, and the multiple fixing methods can effectively prevent the parts from falling off, resulting in good performance.
[0026] In use, when it is necessary to connect the connecting arm 4 and the connecting assembly 5, insert it into the socket 52 on the left side of the connecting seat 51. After the drive turntable 513 is rotated, the first screw 57 rotates. Through the threaded connection with the connecting seat 51, the rotating block 58 can be driven to rotate and move to the left. Through the limiting of the guide crossbar 511 and the guide sleeve 512, the rotating block 58 can drive the covering sleeve 59 and the extrusion wheel 510 to move to the left, thereby pressing the inclined surface of the extrusion block 55 to the left. Under the connection of the guide vertical bar 54, the extrusion block 55 moves vertically upward. The locking plug 56 passes through the through hole on the connecting arm 4, forming a vertical insertion and fixing. When the drive turntable 513 can no longer be rotated, its two outer sockets are aligned with the two locking rods 519. Then, the rotating handle 522 is rotated, causing the driving bevel gear 524 to drive the two driven bevel gears 521 to rotate, which in turn drives the second screw 516 to rotate under the connection of the bearing seat 520. The movable block 517 threaded onto it can drive the translation plate 518 to move inward, so that the locking rods 519 are inserted into the sockets on the outer side of the drive turntable 513. After the rotating handle 522 can no longer be rotated, its locking screw 523 is aligned with the socket on the outer side of the transmission housing 514. Rotating it will then form the final fixation of the rotating handle 522.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An anti-explosion diesel engine trackless rubber-tyred vehicle with a hanging bucket articulated hitching, comprising a vehicle head (1) and a hanging bucket (2), characterized in that: The car head (1) and the hanging bucket (2) are provided with a steering hydraulic rod (3), the right side of the car head (1) is provided with a connecting arm (4), and the bottom of the hanging bucket (2) is fixedly provided with a connecting assembly (5) used in cooperation with the connecting arm (4); The connecting assembly (5) comprises a connecting seat (51) fixedly installed at the bottom of the hanging bucket (2), a socket (52) provided at the left side of the connecting seat (51) and used in cooperation with the connecting arm (4), a cavity (53) provided inside the connecting seat (51) and below the socket (52), a guide vertical rod (54) fixedly installed between the inner wall top and bottom of the cavity (53), an extrusion block (55) axially and slidably connected to the guide vertical rod (54), a locking plug (56) fixedly connected to the top of the extrusion block (55) and used for inserting and fixing the connecting arm (4), a first screw rod (57) threadedly connected to the right side of the connecting seat (51), a rotating block (58) fixedly connected to the left end of the first screw rod (57) and extending into the cavity (53), a cladding sleeve (59) movably connected to the outer side of the rotating block (58), an extrusion wheel (510) fixedly installed at the left side of the cladding sleeve (59), a guide horizontal rod (511) fixedly connected to the right side of the inner wall of the cavity (53), and a guide sliding sleeve (512) at the bottom of the cladding sleeve (59) axially and slidably connected to the surface of the guide horizontal rod (511).
2. The explosion-proof diesel engine rubber-tyred trackless vehicle facilitating hitching and towing of a trailer according to claim 1, characterized in that: The right end of the first screw rod (57) is fixedly connected with a driving turntable (513), the right side of the connecting seat (51) is fixedly connected with a transmission shell (514) above the driving turntable (513), both sides of the bottom of the transmission shell (514) are fixedly connected with fixed shells (515) in communication with each other, the inside of the transmission shell (514) is rotatably connected with two second screw rods (516), the second screw rods (516) are axially and threadedly connected with movable blocks (517), the bottom of the movable blocks (517) is fixedly installed with a translation plate (518), the bottom of the translation plate (518) extends into the fixed shell (515), one side of the translation plate (518) corresponding to the driving turntable (513) is fixedly connected with a locking plug rod (519), one end of the locking plug rod (519) extends into the insertion hole in the surface of the driving turntable (513).
3. The explosion-proof diesel engine rubber-tyred railless vehicle facilitating hitching and towing of a trailer articulated thereto according to claim 2, characterized in that: The inside of the transmission shell (514) is symmetrically provided with bearing seats (520), the two second screw rods (516) are rotatably connected to the two bearing seats (520) respectively, one end of the second screw rod (516) is fixedly installed with a driven bevel gear (521), the transmission shell (514) is further rotatably connected with a rotating handle (522), the outer side of the rotating handle (522) is provided with a locking screw (523), one end of the locking screw (523) extends into the insertion hole in the surface of the transmission shell (514), one end of the rotating handle (522) is fixedly connected with a driving bevel gear (524) used in cooperation with the driven bevel gear (521).
4. The explosion-proof diesel engine rubber-tyred railless vehicle facilitating hitching and towing of a trailer articulated thereto according to claim 3, characterized in that: The top of the extrusion block (55) is provided with a rebound groove (525) corresponding to the position of the guide vertical rod (54), the rebound groove (525) is internally provided with a thrust spring (526), the two ends of the thrust spring (526) are fixedly connected with the top of the inner wall of the cavity (53) and the bottom of the inner wall of the rebound groove (525) respectively, and the right side surface of the extrusion block (55) is an inclined surface.
Citation Information
Patent Citations
Hinged-type anti-explosion diesel engine trackless rubber-tired vehicle capable of being driven in two-way mode
CN203283312U