Bidirectional gear linkage tire breaker

Abstract

The utility model provides a bi-directional gear linkage tire breaker which comprises two sets of fixed bottom beams arranged in parallel and two sets of first rotating shafts and second rotating shafts arranged in parallel, a plurality of sets of connecting plates are welded between the fixed bottom beams at equal intervals, and a plurality of sets of spines are welded on the outer sides of the first rotating shafts and the second rotating shafts at equal intervals. Placing grooves for mounting the rotating shaft I and the rotating shaft II are symmetrically formed in two sides of the central axis of the top of the connecting plate; the two ends of the first rotating shaft and the two ends of the second rotating shaft are sleeved with gears, and the gears located at the same end are meshed. A hydraulic cylinder is installed on the inner side of one end of one set of fixed bottom beams, a connector is rotationally connected to the end of the telescopic end of the hydraulic cylinder, and the connector is fixedly installed at one end of the second rotating shaft. According to the utility model, the two ends of the rotating shaft I and the rotating shaft II are provided with the gears which can be meshed with each other, so that the rotating shaft I and the rotating shaft II can be driven to synchronously and reversely rotate under the action of the hydraulic cylinder during use, and the spines are driven to quickly open and close to form a blocking effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of roadblock devices, and more specifically, particularly relates to a two-way gear linkage tire puncturer. Background Art

[0002] A tire puncturer, also known as a spike roadblock or barbed roadblock, is a type of tire puncturing vehicle blocking roadblock. Nowadays, it is widely applied in government agencies, prisons, police stations, schools, etc. The spikes can puncture a tire within 0.5 seconds and release the gas inside the tire through the air vents, causing the vehicle to be unable to move forward. It is a very effective security facility.

[0003] The existing Chinese patent application number is CN201720574028.5, which discloses a tire puncturer. It includes a main body, the main body includes a long strip-shaped frame, and two rows of reversely rotatable and liftable tire puncturing teeth are arranged at intervals inside the frame. The tire puncturing teeth are in the shape of "needle tips"; a motor box for controlling the lifting of the tire puncturing teeth is connected to the side of the frame; a trapezoidal outer shell serving as a deceleration strip is arranged on the surface of the frame. This technical solution can enhance the tire puncturing force and effect by setting two rows of reversely rotating tire puncturing teeth. However, in actual use, the transmission mechanism inside the motor box is relatively complex, and the cost is relatively high during production and daily maintenance, having certain limitations. Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a two-way gear linkage tire puncturer is provided with the expectation of achieving a more practical value purpose. Summary of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a two-way gear linkage tire puncturer, which is achieved by the following specific technical means:

[0005] A two-way gear linkage tire puncturer includes two groups of parallel fixed bottom beams and two groups of parallel rotating shafts one and two. A plurality of connecting plates are welded at equal intervals between the fixed bottom beams. A plurality of spikes are welded at equal intervals on the outer sides of the rotating shafts one and two. Placement grooves for installing the rotating shafts one and two are symmetrically arranged on both sides of the central axis at the top of the connecting plates. Fasteners are installed on the connecting plates near the placement grooves; Gears are sleeved at both ends of the rotating shafts one and two, and the gears at the same end mesh with each other; A hydraulic cylinder is installed inside one end of one group of the fixed bottom beams, and a connecting head is rotatably connected to the end of the telescopic end of the hydraulic cylinder, and the connecting head is fixedly installed at one end of the rotating shaft two.

[0006] Further, the placement grooves are all U-shaped grooves, and the bottom diameter of the U-shaped grooves is equal to that between the rotating shafts one and two.

[0007] Further, buckle grooves are arranged at the bottoms of the fasteners, and the width of the buckle grooves is equal to the maximum distance between the rotating shafts one and two.

[0008] Further, the tail end of the hydraulic cylinder is connected with a connecting seat through a pin, and the connecting seat is fixedly installed on the inner side wall of the fixed bottom beam.

[0009] Further, a reinforcing plate is connected between the connecting plates. A plurality of sockets are arranged on the top side of the reinforcing plate corresponding to the connecting plates, and connecting ports capable of being connected with the sockets are arranged at the central axis positions of the bottom sides of the connecting plates.

[0010] Further, the upper and lower planes of the connecting plates and the reinforcing plate are flush with the upper and lower planes of the fixed bottom beam.

[0011] Further, a cover plate is jointly connected to the top sides of the two fixed bottom beams. The cover plate is connected with the fixed bottom beam through a plurality of fastening screws; a plurality of through grooves are arranged on the top side of the cover plate corresponding to the spikes.

[0012] Further, maintenance openings are arranged at the left and right ends of the top of the cover plate corresponding to the installation positions of the gears, and a maintenance cover is installed inside the maintenance openings through fastening screws. A through opening is arranged in the middle of the maintenance cover, and tempered glass is hermetically and fixedly installed inside the through opening.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] By installing gears that can mesh with each other at both ends of the first rotating shaft and the second rotating shaft, the utility model can realize that during use, under the action of the hydraulic cylinder, the first rotating shaft and the second rotating shaft are driven to rotate synchronously and reversely to drive the spikes to be quickly opened and closed to form a blocking effect. At the same time, the overall structure is relatively simple, which is conducive to production and maintenance, and the production and maintenance costs are relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the disassembled structure of the utility model.

[0016] Figure 2 is a schematic diagram of the overall assembly structure of the utility model.

[0017] Figure 3 is a schematic diagram after the cover plate of the utility model is removed.

[0018] Figure 4 is Figure 3 the enlarged schematic diagram of structure A in

[0019] In the figure, the corresponding relationship between the component names and the drawing reference numerals is as follows:

[0020] 1. Fixed bottom beam; 2. Connecting plate; 3. Reinforcing plate; 4. First rotating shaft; 5. Second rotating shaft; 6. Hydraulic cylinder; 7. Fastener; 8. Cover plate; 801. Through groove; 802. Maintenance opening; 9. Maintenance cover; 10. Spikes; 11. Connecting seat; 12. Connector; 13. Gear. Specific implementation mode

[0021] The following further describes in detail the implementation mode of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. Embodiment

[0024] As shown in the attached Figure 1 to the attached Figure 4 figures:

[0025] The utility model provides a two-way gear linkage tire puncturer, which comprises two groups of parallel fixed bottom beams 1, two groups of parallel first rotating shafts 4 and second rotating shafts 5. A plurality of groups of connecting plates 2 are welded at equal intervals between the fixed bottom beams 1. A plurality of groups of spikes 10 are welded at equal intervals on the outer sides of the first rotating shafts 4 and the second rotating shafts 5. Placing grooves for installing the first rotating shafts 4 and the second rotating shafts 5 are symmetrically arranged on both sides of the central axis of the top of the connecting plates 2. Fasteners 7 are installed on one side of each connecting plate 2 close to the placing groove; Gears 13 are sleeved at both ends of the first rotating shafts 4 and the second rotating shafts 5, and the gears 13 at the same end are meshed with each other; A hydraulic cylinder 6 is installed inside one end of one of the fixed bottom beams 1. A connecting head 12 is rotatably connected to the end of the telescopic end of the hydraulic cylinder 6, and the connecting head 12 is fixedly installed at one end of the second rotating shaft 5.

[0026] Among them, the placing grooves are all U-shaped grooves, and the bottom diameter of the U-shaped grooves is equal to that between the first rotating shafts 4 and the second rotating shafts 5, so as to stably place the first rotating shafts 4 and the second rotating shafts 5 and ensure that they are not prone to shaking during rotation.

[0027] Among them, buckle grooves are arranged at the bottoms of the fasteners 7, and the width of the buckle grooves is equal to the maximum distance between the first rotating shafts 4 and the second rotating shafts 5, so as to stably limit the first rotating shafts 4 and the second rotating shafts 5.

[0028] Among them, the tail end of the hydraulic cylinder 6 is connected with a connecting seat 11 through a shaft pin, and the connecting seat 11 is fixedly installed on the inner side wall of the fixed bottom beam 1, which also facilitates the angle adjustment of the hydraulic cylinder 6 during operation.

[0029] Among them, a reinforcing plate 3 is connected between the connecting plates 2. A plurality of socket openings are arranged on the top side of the reinforcing plate 3 corresponding to the connecting plates 2. Connecting openings capable of being connected with the socket openings are arranged at the central axes of the bottom sides of the connecting plates 2, so as to facilitate the quick and accurate installation of the reinforcing plate 3 and facilitate quick and accurate welding after installation.

[0030] Among them, the upper and lower planes of the connecting plates 2 and the reinforcing plate 3 are flush with the upper and lower planes of the fixed bottom beam 1, so as to improve the overall stability in use.

[0031] Among them, a cover plate 8 is jointly connected to the top sides of the two groups of fixed bottom beams 1. The cover plate 8 is connected to the fixed bottom beam 1 through a plurality of fastening screws; A plurality of through grooves 801 are arranged on the top side of the cover plate 8 corresponding to the spikes 10.

[0032] Among them, inspection openings 802 are provided at both the left and right ends of the top of the cover plate 8 at the corresponding installation positions of the gears 13, and inspection covers 9 are installed inside the inspection openings 802 through fastening screws. A through opening is provided in the middle of the inspection cover 9, and tempered glass is fixedly installed in a sealed manner inside the through opening, so as to more intuitively observe the operating conditions of the gears 13, which is beneficial for timely handling when foreign objects are stuck in the gears 13 or lubrication is lacking.

[0033] The working principle of this embodiment: Before use, first excavate a foundation pit at the installation position. After the excavation is completed, place the whole into the foundation pit and ensure that the cover plate 8 is flush with the road surface, and then fix it. Finally, by connecting the hydraulic cylinder 6 to an external power unit and a control unit, it can be used; during use, by controlling the control unit to extend the hydraulic cylinder 6, the second rotating shaft 5 can be driven to rotate through the connecting head 12 at one end thereof. When the second rotating shaft 5 rotates, the first rotating shaft 4 is driven to move in the opposite direction through the action of the gear 13. At this time, the spikes 10 can be driven to extend from the through slots 801 of the cover plate 8 to control the vehicles passing on both sides. On the contrary, by controlling the hydraulic cylinder 6 to retract, the spikes 10 can be driven to retract to release the vehicles on both sides.

[0034] The embodiments of the present utility model are given for the purposes of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical applications of the present utility model, and to enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

Claims

1. A two-way gear-linked tire breaker, comprising two sets of parallel fixed bottom beams (1) and two sets of parallel rotating shafts (4) and (5), wherein a plurality of connecting plates (2) are welded equidistantly between the fixed bottom beams (1), and a plurality of spikes (10) are welded equidistantly on the outer sides of the rotating shafts (4) and (5), wherein: Both sides of the top central axis of the connecting plate (2) are symmetrically provided with placement grooves for installing the first rotating shaft (4) and the second rotating shaft (5), and the connecting plate (2) is installed with a fastener (7) on one side close to the placement groove through a fastener; both ends of the first rotating shaft (4) and the second rotating shaft (5) are provided with gears (13), and the gears (13) located at the same end are meshed with each other; a hydraulic cylinder (6) is installed on the inner side of one end of one group of the fixed bottom beams (1), and a connecting head (12) is rotatably connected to the end of the telescopic end of the hydraulic cylinder (6), and the connecting head (12) is fixedly installed on one end of the second rotating shaft (5).

2. The two-way gear-linked tire breaker according to claim 1, characterized in that: The placement grooves are all U-shaped grooves, and the bottom diameter of the U-shaped groove is equal to that of the first rotating shaft (4) and the second rotating shaft (5).

3. The two-way gear-linked tire breaker according to claim 1, characterized in that: The bottom of each of the fasteners (7) is provided with a buckle groove, and the width of the buckle groove is equal to the maximum distance between the first rotating shaft (4) and the second rotating shaft (5).

4. The two-way gear-linked tire breaker according to claim 1, characterized in that: The rear end of the hydraulic cylinder (6) is connected to a connecting seat (11) via an axle pin, and the connecting seat (11) is fixedly mounted on the inner side wall of the fixed bottom beam (1).

5. The two-way gear-linked tire breaker according to claim 1, characterized in that: A reinforcing plate (3) is connected between the connecting plates (2), a plurality of groups of sockets are provided on the top side of the reinforcing plate (3) corresponding to the connecting plates (2), and a connecting port that can be connected to the sockets is provided at the central axis of the bottom side of the connecting plate (2).

6. The two-way gear-linked tire breaker according to claim 5, characterized in that: The upper and lower planes of the connecting plate (2) and the reinforcing plate (3) are arranged flush with the upper and lower planes of the fixed bottom beam (1).

7. The two-way gear-linked tire breaker according to claim 1, characterized in that: The top sides of the two groups of fixed bottom beams (1) are commonly connected to a cover plate (8), and the cover plate (8) is connected to the fixed bottom beam (1) via a plurality of sets of fastening screws; the top sides of the cover plates (8) are provided with a plurality of sets of through grooves (801) corresponding to the spikes (10).

8. The two-way gear-linked tire breaker according to claim 7, characterized in that: Inspection openings (802) are provided at both left and right ends of the top of the cover plate (8) at the installation positions of the corresponding gears (13), and an inspection cover (9) is installed inside the inspection opening (802) by means of fastening screws, and a through opening is provided in the middle of the inspection cover (9), and tempered glass is sealed and fixedly installed inside the through opening.

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