Connecting and limiting device between vehicle bodies and spraying and mixing trolley

Abstract

The utility model relates to the technical field of connecting equipment between vehicle bodies, in particular to a connecting and limiting device between vehicle bodies and a spraying and mixing trolley, a first vehicle body cross beam, a second vehicle body cross beam and a walking wheel are correspondingly connected with the connecting and limiting device between the vehicle bodies, and the connecting and limiting device between the vehicle bodies comprises a lug plate, a first pin shaft, a limiting seat, a connecting rod and a limiting piece; lug plates are arranged at one free end of the first vehicle body cross beam and one free end of the second vehicle body cross beam; the pair of lug plates is detachably connected through a first pin shaft; limiting seats are arranged at the lower ends of the first vehicle body cross beam and the second vehicle body cross beam; the bottom ends of the limiting seats are connected with the walking wheels; a mounting channel is formed in the limiting seat; the connecting rod is in sliding connection with the pair of mounting channels; sliding grooves are formed in the two ends of the connecting rod. The pair of limiting pieces are correspondingly arranged on the two sides of the limiting seat; the limiting piece and the sliding groove are in sliding connection in the axial direction of the connecting rod. The limiting seats can support the limiting pieces, the connecting rods and the walking wheels, and suspended installation of the connecting and limiting device between the vehicle bodies is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle body connection equipment, in particular to a vehicle body connection limiting device and a spray mixing trolley. Background Art

[0002] The spray-mix trolley system is a large-scale tunnel concrete support system developed for mechanized tunnel construction, integrating travel, mixing, pumping, pouring, and spraying functions. As the core equipment for tunnel support, it features intelligent loading, intelligent concrete mixing, equipment positioning, concrete pouring, intelligent spraying, and automatic construction log generation. The spray-mix trolley system consists of a spray-mix trolley, a power trolley, a mixer truck, a material trolley, and a pouring trolley in series. The material trolley is responsible for material storage and loading; the mixer truck is responsible for mixing and pumping; the power trolley is responsible for transporting air, water, and additives; the spray-mix trolley is responsible for spraying; and the pouring trolley is responsible for concrete pouring.

[0003] The spray mixing trolley is the world's first set of equipment. The body of the spray mixing trolley adopts an articulated structure to adapt to turning sections and other road sections. However, in actual working conditions, the spray mixing trolley usually needs to move alone. The adjacent frames of existing similar trolleys are generally connected by pins. The trolleys can only move forward or backward at the same time. The articulated structure is inconvenient to disassemble and assemble, which makes it difficult to meet the working conditions of the spray mixing trolley moving alone.

[0004] Secondly, the spray-mixing trolley needed to be limited in its travel distance to ensure secure connections for its pipelines and electrical wiring. Therefore, a limiter was required between the trolley and the power car. Because other pipelines were also laid on the tunnel floor, the limiter must not droop to the ground. Furthermore, a trafic passageway must be maintained within the trolley, requiring the limiter to be compact and not obstruct the passageway. Utility Model Content

[0005] (1) Technical issues to be solved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a vehicle body connection limit device and a spray mixing trolley, which solves the technical problems that the articulated structure of the spray mixing trolley and the power vehicle is inconvenient to disassemble and assemble, and the limit device needs to meet the requirements of suspended installation and compact structure.

[0007] (2) Technical solution

[0008] In order to achieve the above-mentioned purpose, the vehicle body connection and limiting device of the present invention is provided, wherein the first vehicle body cross beam, the second vehicle body cross beam and the running wheel are connected to the vehicle body connection and limiting device respectively, and the vehicle body connection and limiting device comprises an ear plate, a first pin shaft, a limiting seat, a connecting rod and a limiting member;

[0009] One free end of the first vehicle body cross beam and one free end of the second vehicle body cross beam are both provided with the lug plates; the pair of lug plates are detachably connected via the first pin shaft;

[0010] The lower ends of the first vehicle body cross beam and the second vehicle body cross beam are both provided with the limiting seats; the bottom ends of the limiting seats are connected to the running wheels; and the limiting seats are provided with an installation channel;

[0011] The connecting rod is slidably connected to a pair of the mounting channels; both ends of the connecting rod are provided with sliding grooves;

[0012] Wherein, a pair of the limiting members are arranged on both sides of the limiting seat in a one-to-one correspondence; the limiting members are connected to the sliding groove in an axial sliding manner of the connecting rod.

[0013] Optionally, the limiting member is a limiting block or a second pin;

[0014] The slide groove is a through groove; the limiting member passes through the slide groove vertically.

[0015] Optionally, the connecting rod includes a fixed rod, a telescopic rod and a locking member;

[0016] The fixed rod and the telescopic rod are slidably connected along the axial direction of the fixed rod; the interiors of the fixed rod and the telescopic rod form the sliding groove;

[0017] The fixed rod and the telescopic rod are detachably connected via the locking piece.

[0018] Optionally, a rotating shaft is provided at the bottom end of the limiting seat;

[0019] The walking wheel is hinged to the rotating shaft.

[0020] Optionally, a concave sliding groove is provided on the outer wall of the roller of the traveling wheel along its circumference.

[0021] Optionally, a reinforcing rib is provided on the top of the limiting seat;

[0022] The side panels of the first vehicle body cross beam and the side panels of the second vehicle body cross beam are connected to the reinforcing ribs accordingly.

[0023] Furthermore, the present invention also provides a spray mixing trolley, which includes the above-mentioned inter-vehicle connection and limiting device;

[0024] The spray mixing trolley further comprises a spray mixing vehicle and a power vehicle; the spray mixing vehicle and the power vehicle are connected via the inter-vehicle connection limiting device.

[0025] Optionally, the inter-vehicle connection limiting devices are correspondingly provided on both sides of the spray mixing vehicle and both sides of the power vehicle.

[0026] (3) Beneficial effects

[0027] The beneficial effects of the utility model are:

[0028] The first vehicle body crossbeam (and second vehicle body crossbeam), connecting rod, and track are arranged sequentially from top to bottom. By mounting the limiter on the crossbeam, the limiter supports the limiter, connecting rod, and running wheels, achieving suspended installation of the inter-vehicle connection limiter. Furthermore, the connecting rod is slidably connected to a pair of mounting channels, meaning that the connecting rod passes through the interior of the limiter, making the inter-vehicle connection limiter compact and space-saving.

[0029] A pair of lugs are detachably connected via a first pin. Compared to the fixed hinged connection between the car bodies, lugs are added to the crossbeam. Connection holes are provided inside the lugs. After the lugs are docked, the corresponding connection holes are coaxial. The first pin is then inserted into the connection holes of the lugs, achieving a detachable connection between the lugs and the pair of lugs, making assembly and disassembly more convenient. After the first pin is removed, the first or second car body can be operated independently.

[0030] On one hand, the connecting rod is slidably connected to a pair of mounting channels, achieving guidance and limitation when the first or second car body is operating independently. On the other hand, the limiting member is slidably connected to the slide groove along the axial direction of the connecting rod, and the limiting member can further guide and limit the sliding movement of the connecting rod through the slide groove. The two ends of the slide groove can abut against the pair of limiting members. The pair of limiting seats, through the effective cooperation of a total of two slide grooves and four limiting members, can limit the sliding movement of the connecting rod along its own axis, realizing the travel distance of the car body when operating independently, and effectively ensuring the safe connection of the pipelines and electrical circuits on the car body. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic structural diagram of the vehicle body connection limit device of the present invention;

[0032] Figure 2 This is a schematic diagram of the connection between the limit seat and the connecting rod of the utility model;

[0033] Figure 3 This is a schematic structural diagram of the connecting rod of the present utility model;

[0034] Figure 4 This is a schematic diagram of the connection between the spray mixing vehicle and the power vehicle of the present utility model.

[0035] [Description of Reference Numerals]

[0036] 1: First car body cross beam;

[0037] 2: Second car body cross beam;

[0038] 3: Travel wheel;

[0039] 4: Ear plate;

[0040] 5: first pin;

[0041] 6: limit seat; 61: rotating shaft; 62: reinforcing rib;

[0042] 7: connecting rod; 71: slide; 72: fixed rod; 73: telescopic rod; 74: locking piece;

[0043] 8: limiter;

[0044] 9: Spray-mix truck;

[0045] 10: Power car. DETAILED DESCRIPTION

[0046] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0047] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0048] In addition, the terms "first," "second," and so on, used in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0049] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can refer to fixed connection, detachable connection, or integration; "connection" can refer to mechanical connection or electrical connection; it can refer to direct connection or indirect connection through an intermediate medium; it can refer to internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0050] See also Figures 1 to 3The utility model provides a limiting device for connecting the vehicle bodies, wherein the first vehicle body cross beam 1, the second vehicle body cross beam 2 and the walking wheel 3 are connected to the limiting device for connecting the vehicle bodies correspondingly, and is characterized in that the limiting device for connecting the vehicle bodies includes an ear plate 4, a first pin shaft 5, a limiting seat 6, a connecting rod 7 and a limiting piece 8; one free end of the first vehicle body cross beam 1 and one free end of the second vehicle body cross beam 2 are both provided with an ear plate 4; a pair of ear plates 4 are detachably connected through the first pin shaft 5; the lower end of the first vehicle body cross beam 1 and the lower end of the second vehicle body cross beam 2 are both provided with a limiting seat 6; the bottom end of the limiting seat 6 is connected to the walking wheel 3; an installation channel is opened in the limiting seat 6; the connecting rod 7 is slidably connected to a pair of installation channels; both ends of the connecting rod 7 are provided with a slide groove 71; wherein, a pair of limiting pieces 8 are arranged on both sides of the limiting seat 6 in a one-to-one manner; the limiting piece 8 and the slide groove 71 are slidably connected along the axial direction of the connecting rod 7.

[0051] The first vehicle body cross beam 1 and the second vehicle body cross beam 2 correspond to the corresponding beams on the frames of the adjacent first and second vehicle bodies, and play a load-bearing role. In order to avoid interfering with the traffic passage, they are generally installed on the cross beams on the side of the vehicle body. The vehicle body connection limit device is installed on the first vehicle body cross beam 1 and the second vehicle body cross beam 2, which effectively improves the reliability of the vehicle body connection limit device. The running wheel 3 is slidably connected to the track. In this embodiment, the first vehicle body cross beam 1 (and the second vehicle body cross beam 2), the connecting rod 7 and the track are arranged from top to bottom in sequence. By installing the limit seat 6 on the cross beam, the limit seat 6 can support the limit member 8, the connecting rod 7 and the running wheel 3, thereby realizing the suspended installation of the vehicle body connection limit device. In addition, the connecting rod 7 is slidably connected to a pair of installation channels, that is, the connecting rod 7 passes through the inside of the limit seat 6, so that the structure of the vehicle body connection limit device is compact and occupies little space.

[0052] A pair of lugs 4 are detachably connected via a first pin 5. Compared to the fixed hinged connection between the vehicle bodies, an additional lug 4 is provided on the crossbeam. A connection hole is provided inside the lug 4. After the pair of lugs 4 are docked, the corresponding connection holes are coaxial. The first pin 5 is then inserted into the connection holes of the pair of lugs 4, achieving a detachable connection between the first pin 5 and the pair of lugs 4. The pin facilitates both removal and insertion, making assembly and disassembly more convenient. When the first pin 5 is installed, it ensures a reliable connection between the vehicle bodies during synchronized travel. After the first pin 5 is removed, the first or second vehicle body can operate independently, improving operational convenience.

[0053] On the one hand, the connecting rod 7 is slidably connected to a pair of mounting channels, achieving guidance and limitation when the first or second vehicle body is operating independently. On the other hand, the limiting member 8 is slidably connected to the slide 71 along the axial direction of the connecting rod 7. The limiting member 8 can further guide and limit the sliding movement of the connecting rod 7 through the slide 71. The two ends of the slide 71 can abut against the pair of limiting members 8. The pair of limiting seats 6, through a total of two slides 71 and four limiting members 8, effectively cooperate to limit the sliding movement of the connecting rod 7 along its own axis, thereby limiting the travel distance of the vehicle body when operating independently, and effectively ensuring the safe connection of the pipelines and electrical circuits on the vehicle body.

[0054] Furthermore, the limiting member 8 is a limiting block or a second pin; the chute 71 is a through slot; and the limiting member 8 vertically extends through the chute 71. Compared to embodiments in which the chute 71 is not through, the vertically extending chute 71 allows the limiting member 8 to more stably guide and limit the connecting rod 7, preventing the connecting rod 7 from deviating and occupying space inside and outside the vehicle body. This prevents the connecting rod 7 from swinging axially along the rotating shaft 61, thereby improving the stability of the vehicle body sliding on the track during independent operation. In this embodiment, the contact surfaces of the limiting member 8 and the chute 71 are both curved. These curved surfaces have a large contact area, provide more stable force, and effectively extend the service life of the connecting rod 7 and the limiting member 8.

[0055] Secondly, the connecting rod 7 includes a fixed rod 72, a telescopic rod 73, and a locking member 74; the fixed rod 72 and the telescopic rod 73 are connected by sliding along the axial direction of the fixed rod 72; the interior of the fixed rod 72 and the telescopic rod 73 forms a slide groove 71; the fixed rod 72 and the telescopic rod 73 are detachably connected via the locking member 74. Due to the construction requirements of the vehicle body, the distance that the vehicle body can move independently is not fixed, so the limit length of the connecting rod 7 is required to be adjustable by the limit member 8. Multiple connecting rods 7 of different models and sizes can be configured (with different slide grooves 71), and the connecting rod 7 of the corresponding size can be selected and installed according to the actual working conditions. However, compared with the method of configuring multiple connecting rods 7 of different models and sizes, this embodiment configures the connecting rod 7 as a telescopic rod, with U-shaped grooves at both ends of the fixed rod 72, and the telescopic rod 73 is a U-shaped rod. The telescopic rod 73 is plugged into the fixed rod 72, and the interior of the two forms a slide groove 71. The locking member 74 can be a screw or a pin, and corresponding connecting holes are provided on the U-shaped groove and the U-shaped rod to realize the disassembly and assembly positioning of the telescopic rod 73 and the fixed rod 72, thereby realizing the adjustment of the movable path when the vehicle body operates independently.

[0056] In addition, a rotating shaft 61 is provided at the bottom end of the stopper 6; the running wheels 3 are hingedly connected to the rotating shaft 61. Compared to a fixed connection, the ends of the rotating shaft 61 are passed through the two side plates of the stopper 6 and then fixed, which facilitates the connection between the stopper 6 and the running wheels 3. The hinged connection also improves the adaptability of the vehicle body to vibrations generated during travel.

[0057] Optionally, the outer wall of the roller of the running wheel 3 is provided with a concave groove along its circumference, and the guide rail is engaged inside the concave groove, and the concave groove can slide along the sliding direction of the guide rail. The concave groove can effectively increase the support strength and limiting strength of the guide rail on the running wheel 3, and improve the stability of sliding.

[0058] Furthermore, a reinforcing rib 62 is provided at the top of the stopper 6; the side panels of the first vehicle body cross beam 1 and the side panels of the second vehicle body cross beam 2 are connected to the reinforcing rib 62. The side panels and bottom panels of the cross beams are connected to the reinforcing rib 62 and the top panel of the stopper 6, respectively, strengthening the connection strength between the stopper 6 and the cross beams. The reinforcing rib 62 increases the cross beam's ability to limit the stopper 6 along the axial direction of the rotation axis 61, thereby enhancing the structural strength of the inter-vehicle body connection and limit device.

[0059] In addition, the present invention also provides a spray mixing trolley, which includes the above-mentioned inter-car body connection limit device; the spray mixing trolley also includes a spray mixing trolley 9 and a power trolley 10; the spray mixing trolley 9 and the power trolley 10 are connected via the inter-car body connection limit device. Specifically, a first car body cross beam 1 is provided on the frame of the spray mixing trolley 9, and a second car body cross beam 2 is provided on the frame of the power trolley 10. The spray mixing trolley 9 and the power trolley 10 are detachably connected via a pair of ear plates 4 through a first pin shaft 5. At the same time, the connecting rod 7 and the limit seat 6 can also limit the sliding of the independently sliding spray mixing trolley 9, effectively avoiding the situation where the spray mixing trolley 9 is far away from the walking path of the power trolley 10 and damages the pipelines and electrical lines on the spray mixing trolley.

[0060] like Figure 4 As shown, inter-vehicle body connection limiters are installed on both sides of the spray mixing vehicle 9 and the power vehicle 10. The mirror-image installation of the inter-vehicle body connection limiters on both sides of the spray mixing vehicle 9 and the power vehicle 10 improves the stability of the vehicle body during operation, and the load-bearing capacity and limit strength of the inter-vehicle body connection limiters are increased.

[0061] It should be understood that the above description of the specific embodiments of the present invention is merely for the purpose of illustrating the technical approach and features of the present invention. Its purpose is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly. However, the present invention is not limited to the above-described specific embodiments. Any changes or modifications made within the scope of the claims of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A vehicle body connection and limiting device, wherein a first vehicle body cross beam (1), a second vehicle body cross beam (2) and a running wheel (3) are connected to the vehicle body connection and limiting device respectively, characterized in that: The inter-car body connection limiting device comprises an ear plate (4), a first pin shaft (5), a limiting seat (6), a connecting rod (7) and a limiting member (8); One free end of the first vehicle body cross beam (1) and one free end of the second vehicle body cross beam (2) are both provided with the ear plates (4); a pair of the ear plates (4) are detachably connected via the first pin shaft (5); The lower end of the first vehicle body cross beam (1) and the lower end of the second vehicle body cross beam (2) are both provided with the limiting seat (6); the bottom end of the limiting seat (6) is connected to the running wheel (3); and an installation channel is provided in the limiting seat (6); The connecting rod (7) is slidably connected to a pair of the mounting channels; both ends of the connecting rod (7) are provided with sliding grooves (71); Wherein, a pair of the limiting members (8) are arranged on both sides of the limiting seat (6) in a one-to-one correspondence; the limiting members (8) are connected to the sliding groove (71) in an axial sliding manner along the connecting rod (7).

2. The vehicle body connection limiting device according to claim 1, characterized in that: The limiting member (8) is a limiting block or a second pin; The sliding groove (71) is a through groove; the limiting member (8) vertically passes through the sliding groove (71).

3. The vehicle body connection limiting device according to claim 1, characterized in that: The connecting rod (7) comprises a fixed rod (72), a telescopic rod (73) and a locking member (74); The fixed rod (72) and the telescopic rod (73) are slidably connected along the axial direction of the fixed rod (72); the interiors of the fixed rod (72) and the telescopic rod (73) form the sliding groove (71); The fixed rod (72) and the telescopic rod (73) are detachably connected via the locking member (74).

4. The vehicle body connection limiting device according to claim 1, characterized in that: A rotating shaft (61) is provided at the bottom end of the limiting seat (6); The traveling wheel (3) is hinged to the rotating shaft (61).

5. The vehicle body connection limiting device according to claim 1, characterized in that: The outer wall of the roller of the traveling wheel (3) is provided with a concave sliding groove along its circumference.

6. The vehicle body connection limiting device according to claim 1, characterized in that: The top end of the limiting seat (6) is provided with a reinforcing rib (62); The side panels of the first vehicle body cross beam (1) and the side panels of the second vehicle body cross beam (2) are correspondingly connected to the reinforcing ribs (62).

7. A spray mixing trolley, characterized in that: The spray mixing trolley includes the inter-vehicle connection limiting device according to any one of claims 1 to 6; The spray mixing trolley further comprises a spray mixing vehicle (9) and a power vehicle (10); the spray mixing vehicle (9) and the power vehicle (10) are connected via the vehicle body connection limit device.

8. The spray mixing trolley according to claim 7, characterized in that: The two sides of the spray mixing vehicle (9) and the two sides of the power vehicle (10) are correspondingly provided with the inter-vehicle connection limiting devices.

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