A new type of fixed-point turning trolley

Abstract

The present application belongs to the technical field of transport trolley, in particular to a new type of fixed-point turning trolley, which comprises a movable trolley body, a steering mechanism and a braking mechanism installed on the trolley body and connected with each other, so as to realize the fixed-point turning of the trolley body. The trolley of the present application can conveniently control the moving direction of the trolley body and control the fixed-point turning of the rear wheels by using the adjusting rod, so that the trolley can quickly turn or make a U-turn at a more narrow passage or a road intersection with multiple continuous turns, conveniently drag the goods to rotate and move at a fixed point, thereby effectively improving the construction efficiency.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of transport trolley, in particular to a point layout fixing device. BACKGROUND

[0002] With the continuous development of society and economy, domestic infrastructure is also in full swing. In the construction process, different materials need to be transported on site. Large cargo transport vehicles or equipment can transport more materials at a time. However, in some short-distance or narrow construction sites, large vehicles cannot be used, and small trolleys need to be used to transport materials.

[0003] The current construction site turnover trolley usually places the goods to be transported on the flat plate and uses manpower to push and pull. However, the current flat plate trolley is prone to be stuck in the intersection when turning or turning around at the narrow intersection, which is time-consuming and laborious, and thus affects the construction progress. Therefore, a new type of fixed-point turning trolley is needed to solve the above technical problems. SUMMARY

[0004] To solve the above technical problems, the present application provides a new type of fixed-point turning trolley, which enables the equidistant point layout to be completed quickly by a single person, saving time and labor and saving cost.

[0005] The technical solution adopted by the embodiment of the present application is: a new type of fixed-point turning trolley, characterized in that: comprising a movable vehicle body and a steering mechanism and a brake mechanism installed on the vehicle body and connected with each other, so as to realize the fixed-point turning of the vehicle body.

[0006] Further, the vehicle body is provided with a first roller and a second roller, the steering mechanism is connected with the vehicle body through the first roller and connected with the second roller through the brake mechanism, the driving of the steering mechanism can simultaneously start the brake mechanism, and the fixed-point turning of the vehicle body is realized.

[0007] Further, the number of the second rollers is two, which are symmetrically distributed on the same side of the vehicle body.

[0008] Further, the steering mechanism comprises a first connecting rod, a first clamping groove and a pull rod, the first roller is arranged in the first clamping groove, the first clamping groove is connected with the vehicle body through the first connecting rod and connected with the pull rod and the brake mechanism respectively, the driving of the pull rod can drive the first clamping groove and the first roller to rotate, and thus drive the vehicle body to turn.

[0009] Further, the first clamping groove is connected with the brake mechanism through an adjusting piece.

[0010] Further, the adjusting piece comprises a first adjusting rod, a second adjusting rod, a spring and a hollow rod, one end of the first adjusting rod is connected with the first clamping groove, the other end is connected with the second adjusting rod through the spring, the end of the second adjusting rod away from the first adjusting rod is connected with the brake mechanism, and the hollow rod is sleeved on the first adjusting rod and the second adjusting rod and wraps the spring.

[0011] Further, the second adjusting rod is rotationally connected with the first clamping groove.

[0012] Further, the brake mechanism comprises a second clamping groove, a second connecting piece and a brake piece, the second roller is arranged in the second clamping groove, the second clamping groove is connected with the vehicle body through the second connecting piece and is connected with the second adjusting rod through the brake piece.

[0013] Further, the brake piece comprises a brake rod and a fixing ring, one end of the brake rod is connected with the second adjusting rod through the fixing ring, and the other end is connected with the second clamping groove.

[0014] Further, the second roller comprises an outer roller, a gear and an inner roller, the outer roller is connected with the inner roller through the gear, and the gear is connected with the second adjusting rod.

[0015] The present application has the advantages and positive effects that:

[0016] 1. The first roller and the two groups of second rollers matched with each other are arranged at the bottom of the vehicle body, so that the trolley can be integrally displaced and realize fixed-point turning, can quickly pass through the intersection with narrow or multiple continuous turns, and conveniently drags the goods to move, thereby effectively improving the construction efficiency.

[0017] 2. The steering mechanism capable of quickly changing the moving direction of the trolley is arranged, the first roller is controlled to rotate towards the pull rod pulled by the construction personnel, and the trolley can quickly change the direction when moving, thereby improving the use convenience of the trolley.

[0018] 3. The adjusting piece is arranged between the steering mechanism and the brake mechanism, the left (right) rear wheel is braked through the extension of the adjusting piece, thereby realizing unilateral fixed-point braking when changing the moving direction of the trolley, and the trolley quickly turns around.

[0019] 4. The length-adjustable pull rod is arranged, the length of the pull rod is adjusted to adapt to the current length, and the adaptability of the pull rod is improved. DETAILED DESCRIPTION

[0020] Figure 1 is the front view of the embodiment provided by the present application;

[0021] Figure 2is a bottom view of the embodiment provided by the present application;

[0022] Figure 3 is a structural schematic view of a steering mechanism of the embodiment provided by the present application;

[0023] Figure 4 is a structural schematic view of an adjusting member of the embodiment provided by the present application.

[0024] in the figure:

[0025] 1, vehicle body; 11, first roller; 12, second roller; 121, outer wheel; 122, gear; 123, inner wheel; 13, support plate; 14, side plate; 15, screw; 2, steering mechanism; 21, first connecting rod; 22, first clamping groove; 23, pull rod; 24, first clamping plate; 25, first rotating shaft; 26, second clamping plate; 27, second rotating shaft; 3, brake mechanism; 31, second connecting rod; 32, second clamping groove; 321, third clamping plate; 322, third rotating shaft; 33, brake member; 331, brake rod; 332, fixing ring; 4, adjusting member; 41, first adjusting rod; 42, second adjusting rod; 43, spring; 44, hollow rod. DETAILED DESCRIPTION

[0026] The embodiment of the present application provides a novel fixed-point turning trolley, which is described below with reference to the drawings.

[0027] Referring to Figure 1 and Figure 2 , a novel fixed-point turning trolley is characterized in that it comprises a movable vehicle body 1 and a steering mechanism 2 and a brake mechanism 3 installed on the vehicle body 1 and connected to each other, so as to realize fixed-point turning of the vehicle body 1.

[0028] Preferably, the side of the vehicle body 1 away from the steering mechanism 2 is provided with a support plate 13, and the support plate 13 is connected to a side plate 14, and the two enclose a containing space with an opening facing upward. In the embodiment, the vehicle body 1 is provided with the support plate 13 at the top, and the support plate 13 is provided with the side plate 14 around, and the support plate 13 and the side plate 14 are connected through the screw 15, for limiting the goods and preventing the goods from falling. In addition, the vehicle body 1 and the front side plate (located in the direction of the vehicle body advancing) are in a trapezoidal structure, which is more easy to turn and improves the stability of the vehicle body 1.

[0029] Preferably, the vehicle body 1 is provided with the first roller 11 and the second roller 12, the steering mechanism 2 is connected to the vehicle body 1 through the first roller 11 and connected to the second roller 12 through the brake mechanism 3, and the driving of the steering mechanism 2 can simultaneously start the brake mechanism 3, so as to realize the fixed-point turning of the vehicle body 1.

[0030] Preferably, the number of the second rollers 12 is two, which are symmetrically distributed on the same side of the vehicle body 1. In the embodiment, a group of first rollers 11 is arranged at the front end of the bottom of the vehicle body 1, and two groups of second rollers 12 are arranged at the rear end of the bottom of the vehicle body 1, and each group of the second rollers 12 is connected with the brake mechanism 3. It should be noted that the number and size of the rollers in each group of the second rollers 12 and the first rollers 11 are not specifically required in the present application, and the user can adjust them flexibly.

[0031] Preferably, the steering mechanism 2 comprises a first connecting rod 21, a first clamping groove 22 and a pull rod 23, the first roller 11 is arranged in the first clamping groove 22, the first clamping groove 21 is connected with the vehicle body 1 through the first connecting rod 21 and is connected with the pull rod 23 and the brake mechanism 3 respectively, and driving the pull rod 23 can drive the first clamping groove 22 and the first roller 12 to rotate, thereby driving the vehicle body 1 to steer.

[0032] Preferably, the length of the pull rod 23 is adjustable. In the embodiment, the pull rod 23 comprises two long rods which are parallel and adjustable in length, one end (left end) of the two long rods is connected through a hand-held rod, which is convenient for hand-holding and pulling the trolley to displace, and the other end (right end) of the two long rods is rotatably connected with the first rotating shaft 25, and pulling the hand-held rod can control the trolley to move. It should be noted that the extension adjustment and fixation of the pull rod 23 are the conventional technical means of the person skilled in the art, which are not specifically described here.

[0033] Preferably, the slot of the first clamping groove 22 faces the ground, and the first roller 11 is arranged in the slot. In the embodiment, as shown in Figure 2 , the first connecting rod 21 is vertically rotatably arranged at the front end of the bottom of the vehicle body 1, the first clamping groove 22 is arranged at the lower end of the first connecting rod 21, the front end of the first roller 11 is rotatably and side by side arranged in the slot of the first clamping groove 22, the pull rod 23 is arranged at the front end of the first clamping groove 22, two adjusting members 4 are symmetrically arranged at the two sides of the rear end of the first clamping groove 22, a pair of first clamping plates 24 is arranged at the front end of the first clamping groove 22, the first rotating shaft 25 is horizontally arranged between the two first clamping plates 24, one end of the pull rod 23 is sleeved on the first rotating shaft 25 and rotatably connected with the first rotating shaft 25, and two pairs of second clamping plates 26 are arranged at the two sides of the rear end of the first clamping groove 22, the second rotating shaft 27 is horizontally arranged between each pair of the second clamping plates 26, and one end of the adjusting member 4 is sleeved on the second rotating shaft 27 and rotatably connected with the second rotating shaft 27.

[0034] Preferably, the first clamping groove 22 is connected with the brake mechanism 3 through the adjusting member 4.

[0035] Preferably, as shown in Figure 4As shown, the adjusting member 4 comprises a first adjusting rod 41, a second adjusting rod 42, a spring 43 and a hollow rod 44, one end of the first adjusting rod 41 is connected with the first clamping slot 22, the other end is connected with the second adjusting rod 42 through the spring 43, the end of the second adjusting rod 42 away from the first adjusting rod 41 is connected with the braking mechanism 3, and the hollow rod 44 is sleeved on the first adjusting rod 41 and the second adjusting rod 42 and wraps the spring 43.

[0036] Preferably, the second adjusting rod 42 is rotationally connected with the first clamping slot 22.

[0037] Preferably, the braking mechanism 3 comprises a second clamping slot 32, a second connecting rod 31 and a braking member 33, the second roller 12 is arranged in the second clamping slot 32, the second clamping slot 32 is connected with the vehicle body 1 through the second connecting member 31 and is connected with the second adjusting rod 42 through the braking member 33. In this embodiment, as shown, the two second connecting rods 31 are vertically rotationally arranged at the bottom rear end of the vehicle body 1, the second clamping slot 32 is arranged at the lower end of the second connecting rod 31, the slot opening of the second clamping slot 32 faces downward, the second roller 12 is rotationally arranged in the slot opening, the braking member 33 is arranged at the front end of the second clamping slot 32, the front end of the second clamping slot 32 is provided with a pair of third clamping plates 321, a third rotating shaft 322 is horizontally arranged between the two third clamping plates 321, one end of the braking member 33 is sleeved on the third rotating shaft 322 and is rotationally connected with the third rotating shaft 322, the other end of the braking member 33 is connected with the second adjusting rod 42. Figure 3

[0038] ​Preferably, the brake 33 comprises a brake rod 331 and a fixing ring 332, one end of the brake rod 331 is connected with the second adjusting rod 42 through the fixing ring 332, and the other end is connected with the second clamping groove 32. In the embodiment, the left side of the brake rod 331 is connected with the second adjusting rod 42 through the fixing ring 332, which is used for fixing the extension direction of the brake rod 44, and the right end of the brake rod 331 is rotationally connected with the third rotating shaft 322. Taking the left turning as an example, when the control trolley moves, the control pull rod 23 is controlled to pull the trolley along the road, when the trolley turns, the control pull rod 23 is controlled to rotate, so that the first clamping groove 22 fixed on the pull rod 23 rotates together with the turning of the pull rod 23, and the first roller 11 in the first clamping groove 22 rotates together with the first clamping groove 22, at the same time, the first clamping groove 22 drives the first connecting rod 21 to rotate, and the first connecting rod 21 drives the trolley body 1 to rotate, so that the trolley turns. At the same time, the first clamping groove 22 pushes the left first adjusting rod 41 backward, and under the action of the spring 43, the adjusting member 4 moves to the direction of the gear 122 of the left second roller 12 under the limitation of the brake 33, when the first clamping groove 22 rotates to a certain angle, the second adjusting rod 42 extends to contact the gear 122, the left second roller 12 is braked, and the right rear second roller 12 of the trolley body 1 rotates and moves, so that the trolley turns at a fixed point, realizes quick turning or U-turn, and makes the trolley conveniently pass through narrow or continuous curves, and realizes convenient movement of the trolley. The right turning is also the same principle, which will not be repeated here.

[0039] Preferably, the second roller 12 comprises an outer roller 121, a gear 122 and an inner roller 123, the outer roller 121 is connected with the inner roller 123 through the gear 122, and the gear 122 is connected with the second adjusting rod 42. In the embodiment, each group of the second roller 12 comprises one outer roller 121, one gear 122 and one inner roller 123, and of course, it is not limited thereto, as long as the same function can be realized.

[0040] In use, the goods are stably placed in the containing space on the supporting plate 13, and can be further fixed by binding ropes. Then the length of the pull rod 23 is adjusted, the pull rod 23 is pulled to control the trolley to move, the pull rod 23 is controlled to turn when passing through a narrow intersection or continuously turning, so that the pull rod 23 drives the first roller 11 and the trolley body 1 to turn together, and the left (right) rear wheel (the left rear wheel, i.e. the second roller 12 on the left rear side of the trolley body 1) is braked under the action of the adjusting rod 4, and the right (left) rear wheel (the right rear wheel, i.e. the second roller 12 on the right rear side of the trolley body 1) rotates and moves with the first roller 11, so that the trolley turns at a fixed point together with the first roller 11 in a small range, so that the trolley quickly passes through a narrow intersection or continuously turns to make a U-turn, and the transportation of the goods by the trolley is completed.

[0041] The present application has the advantages and positive effects that:

[0042] 1. The first roller and two groups of second rollers are arranged at the bottom of the vehicle body to cooperate with each other, so that the trolley can be displaced as a whole and realize fixed-point turning, can quickly pass through the intersection with narrow or multiple consecutive turns, and conveniently drags the goods to move, thereby effectively improving the construction efficiency;

[0043] 2. The steering mechanism capable of quickly changing the moving direction of the trolley is arranged, the first roller is controlled to rotate towards the construction personnel pulling the pull rod to facilitate movement, so that the trolley can quickly change direction when moving, and the use convenience of the trolley is improved;

[0044] 3. The adjusting piece is arranged between the steering mechanism and the brake mechanism, the left (right) rear wheel is braked through the extension of the adjusting piece, so that unilateral fixed-point braking is realized when the moving direction of the trolley is changed, and the trolley quickly turns around.

[0045] 4. The length-adjustable pull rod is arranged, the length of the pull rod is adjusted to adapt to the current length, and the adaptability of the pull rod is improved.

[0046] The embodiments of the present application are described in detail above, but the content described is only the preferred embodiments of the present application, and cannot be considered as used to limit the implementation scope of the present application. Any equivalent changes and improvements made according to the scope of the present application should still belong to the patent coverage scope of the present application.

Claims

1. A novel spot turn dolly characterized in that: The vehicle body is provided with a first roller and a second roller, the steering mechanism is connected with the vehicle body through the first roller and connected with the second roller through the brake mechanism, driving the steering mechanism can simultaneously start the brake mechanism to realize the fixed-point steering of the vehicle body. The steering mechanism includes a first connecting rod, a first clamping groove and a pull rod, the first roller is arranged in the first clamping groove, the first clamping groove is connected with the vehicle body through the first connecting rod and connected with the pull rod and the brake mechanism respectively, driving the pull rod can drive the first clamping groove and the first roller to rotate, thereby driving the vehicle body to steer. The first clamping groove is connected with the brake mechanism through an adjusting member. The adjusting member includes a first adjusting rod, a second adjusting rod, a spring and a hollow rod, one end of the first adjusting rod is connected with the first clamping groove, the other end is connected with the second adjusting rod through the spring, the end of the second adjusting rod away from the first adjusting rod is connected with the brake mechanism, and the hollow rod is sleeved on the first adjusting rod and the second adjusting rod and wraps the spring inside. The second adjusting rod is rotationally connected with the first clamping groove. The brake mechanism includes a second clamping groove, a second connecting member and a brake member, the second roller is arranged in the second clamping groove, the second clamping groove is connected with the vehicle body through the second connecting member and connected with the second adjusting rod through the brake member. The brake member includes a brake rod and a fixed ring, one end of the brake rod is connected with the second adjusting rod through the fixed ring, and the other end is connected with the second clamping groove. The number of the second rollers is two, which are symmetrically distributed on the same side of the vehicle body.

2. The novel pinpoint turn trolley as claimed in claim 1, wherein: The number of the second rollers is two, which are symmetrically distributed on the same side of the vehicle body.

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