CN116176678A - Tunnel safety construction conveyer - Google Patents

Tunnel safety construction conveyer Download PDF

Info

Publication number
CN116176678A
CN116176678A CN202310442843.6A CN202310442843A CN116176678A CN 116176678 A CN116176678 A CN 116176678A CN 202310442843 A CN202310442843 A CN 202310442843A CN 116176678 A CN116176678 A CN 116176678A
Authority
CN
China
Prior art keywords
plate
driving
vehicle body
collision
driving plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310442843.6A
Other languages
Chinese (zh)
Other versions
CN116176678B (en
Inventor
刘幕
徐东强
刘家俊
孙国正
徐海宏
冯兴科
王永杰
张鹏阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanchong Expressway Management Center Of Hebei Province
Hebei University of Technology
Original Assignee
Yanchong Expressway Management Center Of Hebei Province
Hebei University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yanchong Expressway Management Center Of Hebei Province, Hebei University of Technology filed Critical Yanchong Expressway Management Center Of Hebei Province
Priority to CN202310442843.6A priority Critical patent/CN116176678B/en
Publication of CN116176678A publication Critical patent/CN116176678A/en
Application granted granted Critical
Publication of CN116176678B publication Critical patent/CN116176678B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/04—Braking mechanisms; Locking devices against movement
    • B62B5/049—Braking mechanisms; Locking devices against movement locking against movement by contacting the floor or a wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/04—Braking mechanisms; Locking devices against movement
    • B62B5/0404—Braking mechanisms; Locking devices against movement automatic
    • B62B5/0414—Braking mechanisms; Locking devices against movement automatic dead man's brakes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Handcart (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

The invention provides a tunnel safe construction transportation device, comprising: the vehicle comprises a vehicle body, a wheel assembly, a collision mechanism and a brake mechanism; the bearing plate is arranged in the vehicle body, and an installation space is formed between the bearing plate and the bottom of the vehicle body; a driving plate is arranged in the installation space in a lifting manner; the collision mechanism is arranged at the head part of the vehicle body and connected with the driving plate, and is provided with a collision surface and a driving surface; when the collision surface receives external force from the first direction, the driving surface drives the driving plate to move to the second lifting position; when the external force is removed, the driving plate is restored to the first lifting position; the brake mechanism is arranged at the bottom of the vehicle body and is in transmission connection with the driving plate; when the driving plate is at the second lifting position, the braking mechanism is in contact braking with the ground; when the drive plate is in the first lifting position, the brake mechanism is away from the ground to release the brake. Therefore, in the process of collision of the transport vehicle with obstacles, the brake mechanism is braked by contact with the ground, so that the effect of first-time auxiliary braking is achieved, and the loss in the collision process is reduced.

Description

Tunnel safety construction conveyer
Technical Field
The invention relates to the technical field of tunnel construction devices, in particular to a tunnel safety construction transportation device.
Background
Construction safety refers to safety problems encountered in engineering construction, covers all safety problems in the operation process, and relates to related contents such as management, finance, logistics guarantee and the like.
A tunnel transporter is a mobile vehicle body used in a tunnel for transporting materials. Because the space in the tunnel is narrow and the road surface condition is complicated, in order to avoid the transport vechicle to bump in the removal in-process to cause the material to damage, current tunnel transport vechicle is provided with arresting gear generally. The braking device reduces the vehicle speed when collision happens through braking the wheels, so that the impact force when collision happens is reduced;
however, the existing tunnel transport vehicle has large inertia force when transporting materials, and has poor braking effect due to limited friction force generated when the braking device brakes wheels, so that the transport vehicle and materials in the vehicle are easy to lose under the inertia force when the moving vehicle collides with an obstacle.
Disclosure of Invention
In view of the above-described drawbacks or shortcomings in the prior art, it is desirable to provide a tunnel security construction transportation device that can solve the above-described technical problems.
The invention provides a tunnel safe construction transportation device, comprising:
the vehicle body is internally provided with a bearing plate for bearing materials, and an installation space is formed between the bearing plate and the bottom of the vehicle body; a driving plate is arranged in the installation space in a lifting manner; the driving plate is provided with a first lifting position and a second lifting position;
a wheel assembly mounted to the vehicle body bottom;
the collision mechanism is arranged at the head part of the vehicle body and connected with the driving plate, and the collision mechanism is provided with a collision surface and a driving surface; when the collision surface receives an external force from a first direction, the driving surface drives the driving plate to move to the second lifting position; when the external force is removed, the driving plate is restored to the first lifting position; the first direction points from the head part to the tail part of the vehicle body;
the brake mechanism is arranged at the bottom of the vehicle body and is in transmission connection with the driving plate; when the driving plate is positioned at the second lifting position, the braking mechanism is in contact braking with the ground; when the driving plate is in the first lifting position, the braking mechanism is far away from the ground to release braking.
According to the technical scheme provided by the embodiment of the invention, the bottom of the vehicle body is provided with the first through hole, and the brake mechanism is in transmission connection with the driving plate through the transmission component; the transmission assembly includes:
the transmission gear is rotatably arranged in the installation space along a rotation axis, and the rotation axis is parallel to the bottom surface of the vehicle body;
the first driving rack is arranged along the second direction and meshed with one side of the transmission gear; the first driving rack is fixedly connected with the driving plate; the second direction is perpendicular to the bottom surface of the vehicle body;
the second driving rack is arranged along the second direction and meshed with the other side of the transmission gear; the brake mechanism is fixedly connected with the second driving rack through the first through hole.
According to the technical scheme provided by the embodiment of the invention, a second through hole is formed in one side of the installation space, corresponding to the head of the vehicle body; the collision mechanism includes:
the driving block can be slidably arranged in the second through hole along the first direction, the driving surface is an inclined surface and is arranged on the driving block, and the driving surface is in abutting contact with the bottom of the driving plate;
the collision plate is arranged at the head part of the vehicle body and connected with the driving block, and the collision surface is arranged at one side of the collision plate away from the vehicle body.
According to the technical scheme provided by the embodiment of the invention, the collision plate is hinged with the driving block, a limiting component is arranged between the vehicle body and the collision plate, and the limiting component comprises:
a first guide bar disposed along the second direction; limiting blocks which are fixedly connected with the head of the vehicle body are arranged at two ends of the first guide rod;
the sliding block can be slidably arranged on the first guide rod along the second direction, and a first elastic piece is arranged between the sliding block and the limiting block;
and one end of the connecting rod is hinged with the sliding block, and the other end of the connecting rod is hinged with the collision plate.
According to the technical scheme provided by the embodiment of the invention, the bearing plate is rotatably provided with the rotating shaft, and the rotating shaft is parallel to the bearing plate and perpendicular to the first direction; a pushing plate is arranged on the side wall of the rotating shaft, and a third through hole is arranged on the bearing plate and positioned between the rotating shaft and the head of the vehicle body;
a driving piece is arranged on the driving plate corresponding to the third through hole; when the driving plate is positioned at the second lifting position, the driving piece drives the pushing plate to rotate along the rotating shaft, so that an included angle pointing to the head of the vehicle body in an angle formed by the pushing plate and the driving plate is an acute angle.
According to the technical scheme provided by the embodiment of the invention, the driving plate is provided with the sliding groove, the driving piece can be slidably arranged in the sliding groove along the first direction, and a second elastic piece is arranged between one end of the sliding groove and the driving piece; the bottom of the bearing plate and the driving piece are provided with a guide mechanism, and the guide mechanism is used for driving the driving piece to slide along the first direction when the driving plate is lifted.
According to the technical scheme provided by the embodiment of the invention, the brake mechanism comprises:
the fixing frame is in transmission connection with the driving plate; a sliding hole is formed in the fixing frame along the first direction; fixing pieces are arranged at two ends of the sliding hole;
the second guide rod is arranged between the two fixing pieces;
the brake block is provided with a connecting part and a brake part, the connecting part can be slidably arranged on the second guide rod along the first direction, the brake part is used for braking in contact with the ground, and a third elastic piece is arranged between the connecting part and the fixing piece.
According to the technical scheme provided by the embodiment of the invention, the bottom surface of the brake block is tooth-shaped, and one side of the brake block, which is close to the collision surface, is arc-shaped.
According to the technical scheme provided by the embodiment of the invention, a fourth elastic piece is arranged between the bearing plate and the driving plate.
According to the technical scheme provided by the embodiment of the invention, the bottom of the vehicle body is provided with the fourth through hole, and the wheel assembly is connected with the driving plate through the fourth through hole.
The invention has the beneficial effects that: the invention sets up the collision mechanism and brake mechanism interlocked with collision mechanism on the car body, make: when the transport vehicle collides with an obstacle, the collision surface receives external force from a first direction, and the driving surface of the collision mechanism drives the driving plate to move to the second lifting position, so that the driving plate drives the brake mechanism to contact with the ground for braking; when the transport vehicle is in a natural state, the driving plate is restored to the first lifting position, and then the driving plate drives the brake mechanism to restore, and the brake mechanism is far away from the ground to release the brake. Therefore, in tunnel construction transportation, when the transport vehicle is influenced by inertia and the brake is not timely caused to collide with an obstacle, the brake mechanism is braked in contact with the ground, so that the effect of first-time auxiliary brake is achieved, and the loss in the collision process is reduced.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a tunnel safety construction transportation device provided by the invention;
FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1;
FIG. 3 is a schematic view of the front cross-sectional structure shown in FIG. 1;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a schematic view of a driving plate of FIG. 4 with a chute;
fig. 6 is a schematic view of the mounting structure of the brake pad shown in fig. 2.
Reference numerals in the drawings:
1. a vehicle body; 11. a carrying plate; 12. a driving plate; 21. a transmission gear; 22. a first drive rack; 23. a second drive rack; 31. a driving block; 32. a striking plate; 33. a first guide bar; 34. a limiting block; 35. a slide block; 36. a connecting rod; 41. a rotating shaft; 42. a push plate; 43. a driving member; 44. a chute; 51. a fixing frame; 52. a fixing member; 53. a second guide bar; 54. a brake block; 61. a first elastic member; 62. a second elastic member; 63. a third elastic member; 64. and a fourth elastic member.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 to 6, the tunnel security construction transportation device provided by the present invention includes:
the vehicle comprises a vehicle body 1, wherein a bearing plate 11 for bearing materials is arranged in the vehicle body 1, and an installation space is formed between the bearing plate 11 and the bottom of the vehicle body 1; a driving plate 12 is arranged in the installation space in a lifting manner; the drive plate 12 has a first lifting position and a second lifting position;
a wheel assembly mounted at the bottom of the vehicle body 1;
a collision mechanism mounted on the head of the vehicle body 1 and connected to the drive plate 12, the collision mechanism having a collision surface and a drive surface; when the collision surface receives an external force from a first direction, the driving surface drives the driving plate 12 to move to the second lifting position; when the external force is removed, the driving plate 12 is restored to the first lifting position; the first direction points from the head to the tail of the vehicle body 1;
the brake mechanism is arranged at the bottom of the vehicle body 1 and is in transmission connection with the driving plate 12; when the driving plate 12 is at the second lifting position, the braking mechanism is in contact with the ground for braking; when the drive plate 12 is in the first lifting position, the brake mechanism is moved away from the ground to release the brake.
Specifically, sliding grooves are formed in the side walls of the two opposite sides in the installation space along the vertical direction, and sliding blocks are arranged on the driving plate 12 corresponding to the sliding grooves, so that the driving plate 12 can be lifted along the vertical direction.
Specifically, a push handle is installed at the tail of the vehicle body 1, and a braking device is installed on the push handle and used for braking the wheel assembly. Further, the braking device is a hand brake.
Working principle: the invention aims to solve the problems that in the tunnel construction transportation, a transport vehicle is easy to be influenced by inertia and the loss of materials on the transport vehicle caused by untimely braking in the process of collision of the transport vehicle with obstacles; the invention sets up the collision mechanism and brake mechanism interlocked with collision mechanism on the car body 1, make:
when the transport vehicle collides with an obstacle, the collision surface receives an external force from a first direction, the driving surface of the collision mechanism drives the driving plate 12 to move to the second lifting position, and the driving plate 12 drives the brake mechanism to contact with the ground for braking;
when the transport vehicle is in a natural state, the driving plate 12 can be restored to the first lifting position, and the driving plate 12 drives the brake mechanism to restore, so that the brake is released away from the ground.
Therefore, in tunnel construction transportation, when the transport vehicle is influenced by inertia and the brake is not timely caused to collide with an obstacle, the brake mechanism is braked in contact with the ground, so that the effect of first-time auxiliary brake is achieved, and the loss in the collision process is reduced.
In some embodiments, a first return mechanism is connected to the drive plate 12 to return the drive plate 12 to the first raised and lowered position when the external force is removed; further, the first return mechanism is a fourth elastic member 64 disposed between the driving plate 12 and the carrying plate 11; specifically, the fourth elastic element is a spring.
In some embodiments, a first through hole is formed in the bottom of the vehicle body 1, and the brake mechanism is in transmission connection with the driving plate 12 through a transmission component; the transmission assembly includes:
a transmission gear 21, wherein the transmission gear 21 is rotatably installed in the installation space along a rotation axis, and the rotation axis is parallel to the bottom surface of the vehicle body 1;
a first driving rack 22, wherein the first driving rack 22 is arranged along the second direction and meshed with one side of the transmission gear 21; the first driving rack 22 is fixedly connected with the driving plate 12; the second direction is perpendicular to the bottom surface of the vehicle body 1;
a second driving rack 23, wherein the second driving rack 23 is arranged along the second direction and meshed with the other side of the transmission gear 21; the brake mechanism is fixedly connected with the second driving rack 23 through the first through hole.
Specifically, the second lifting position is higher than the first lifting position.
Working principle:
when the driving plate 12 is switched from the first lifting position to the second lifting position, the driving plate 12 is lifted, the transmission gear 21 is driven to rotate anticlockwise, the second driving rack 23 is driven to descend, and the second driving rack 23 is connected with the brake mechanism, so that the second driving rack 23 drives the brake mechanism to descend through the first through hole and contact with the ground for braking.
When the driving plate 12 is switched from the second lifting position to the first lifting position, the driving plate 12 is lowered to drive the transmission gear 21 to rotate clockwise, and then drive the second driving rack 23 to lift, so that the braking mechanism is far away from the ground to release the braking.
In some embodiments, the mounting space is provided with a second through hole corresponding to one side of the head of the vehicle body 1; the collision mechanism includes:
the driving block 31 is slidably installed in the second through hole along the first direction, the driving surface is an inclined surface and is arranged on the driving block 31, and the driving surface is in abutting contact with the bottom of the driving plate 12;
the collision plate 32, the collision plate 32 is disposed at the head of the vehicle body 1 and connected with the driving block 31, and the collision surface is disposed at the side of the collision plate 32 away from the vehicle body 1.
Specifically, the driving block 31 has an initial state and a collision state:
when the driving block 31 is in a collision state, the driving surface on the driving block 31 drives the driving plate 12 to switch to a second lifting position;
when the driving block 31 is in the initial state, the driving plate 12 is driven to switch to the first lifting position.
Specifically, when the collision surface of the collision plate 32 receives an external force from the first direction, the driving block 31 is driven to slide along the first direction, so that the driving block 31 is in a collision state; when the external force of the striking plate 32 is removed, the driving plate 12 drives the driving block 31 to restore to the original state;
further, a second return mechanism is disposed between the striker 32 and the side wall of the vehicle body 1, and the second return mechanism is configured to further drive the driving block 31 to return to the initial state when the external force is removed.
Specifically, the second through hole is arranged at the bottom of the mounting space corresponding to one side of the head of the vehicle body 1; a sliding groove is formed in the inner bottom surface of the installation space along the first direction, and the driving block 31 is slidably installed in the sliding groove along the first direction.
In some embodiments, a limiting component is disposed between the vehicle body 1 and the striker plate 32, and the limiting component is used for limiting the driving block 31 and the striker plate 32;
specifically, the striking plate 32 is hinged to the driving block 31, and the limiting assembly includes:
a first guide bar 33, the first guide bar 33 being disposed along the second direction; two ends of the first guide rod 33 are provided with limiting blocks 34 which are fixedly connected with the head of the vehicle body 1;
a sliding block 35, wherein the sliding block 35 is slidably mounted on the first guide rod 33 along the second direction, and a first elastic member 61 is mounted between the sliding block 35 and the limiting block 34;
and a connecting rod 36, wherein one end of the connecting rod 36 is hinged with the sliding block 35, and the other end is hinged with the collision plate 32.
Specifically, the first elastic member 61 is a spring.
With the above structure, when the striking plate 32 receives an external force from the first direction, the striking plate 32 rotates along the hinge point of the striking plate 32 and the connecting rod 36, and meanwhile, the striking plate 32 is forced to incline due to the hinge of the striking plate 32 and the driving block 31, so as to drive the driving block 31 to move along the first direction; when the external force is removed, the striking plate 32 and the driving block 31 are restored to the original state under the elastic action of the first elastic member 61; in this process, the limiting blocks 34 located at two ends of the first guide rod 33 serve as limiting blocks for the striker plate 32.
Example 2
On the basis of embodiment 1, in some embodiments, a rotating shaft 41 is rotatably installed on the bearing plate 11, and the rotating shaft 41 is parallel to the bearing plate 11 and perpendicular to the first direction; a push plate 42 is arranged on the side wall of the rotating shaft 41, and a third through hole is arranged on the bearing plate 11 and positioned between the rotating shaft 41 and the head of the vehicle body 1;
a driving member 43 is mounted on the driving plate 12 corresponding to the third through hole; when the driving plate 12 is at the second lifting position, the driving member 43 drives the pushing plate 42 to rotate along the rotating shaft 41, so that an included angle between the pushing plate 42 and the driving plate 12, which is directed toward the head of the vehicle body 1, is an acute angle.
Working principle: in the prior art, when the transport vehicle collides to an obstacle, materials in the transport vehicle can tip forward under the influence of inertial force, and the loss of the materials is easy to cause. With the above structure in this embodiment, when the driving plate 12 is switched from the first lifting position to the second lifting position (i.e. when the collision surface receives an external force from the first direction), the driving member 43 on the driving plate 12 abuts against the push plate 42 thereon to lift, so that the angle between the push plate 42 and the driving plate 12, which is directed toward the head of the vehicle body 1, is an acute angle, and thus the tilting tendency caused by the inertia force is balanced.
In some embodiments, the driving plate 12 is provided with a chute 44, the driving member 43 is slidably mounted in the chute 44 along the first direction, and a second elastic member 62 is disposed between one end of the chute 44 and the driving member 43; the bottom of the bearing plate 11 and the driving member 43 are provided with a guiding mechanism, and the guiding mechanism is used for driving the driving member 43 to slide along the first direction when the driving plate 12 is lifted.
Specifically, the second elastic member 62 is a spring;
specifically, the guiding mechanism includes a first guiding member provided on the driving member 43 and a second guiding member mounted on the bottom of the carrier plate 11; the bottom of the first guide piece is provided with a first inclined guide surface, and the second guide piece is correspondingly provided with a second inclined guide surface;
when the driving member 43 moves upward, the first inclined guiding surface and the second inclined guiding surface are abutted against each other, so that the driving member 43 moves along the first direction, thereby increasing the included angle between the push plate 42 and the driving plate 12, and further balancing the tilting tendency caused by the inertia force.
Example 3
On the basis of embodiment 1, in some embodiments, the braking mechanism includes:
the fixing frame 51 is in transmission connection with the driving plate 12; a sliding hole is formed in the fixing frame 51 along the first direction; fixing pieces 52 are arranged at two ends of the sliding hole;
a second guide bar 53, the second guide bar 53 being installed between the two fixing pieces 52;
the brake block 54, the brake block 54 has a connection portion slidably mounted on the second guide bar 53 in the first direction, and a brake portion for braking in contact with the ground, and a third elastic member 63 is mounted between the connection portion and the fixing member 52.
Specifically, the third elastic member 63 is a spring;
with the above structure, when the braking portion of the brake block 54 contacts with the ground for braking, the third elastic member 63 between the connecting portion of the brake block 54 and the fixing member 52 is compressed, thereby playing a role of dissipating energy.
In some embodiments, the bottom surface of the brake block 54 is tooth-shaped, and the side of the brake block 54 near the collision surface is arc-shaped. Damage caused by collision of the brake block 54 to an obstacle is avoided, and reliability of the device is improved.
Example 4
In some embodiments, a fourth elastic member 64 is installed between the carrier plate 11 and the driving plate 12.
In some embodiments, a fourth through hole is provided at the bottom of the vehicle body 1, and the wheel assembly is connected to the driving plate 12 through the fourth through hole.
Specifically, the wheel assembly comprises a support rod and a gear arranged on the support rod; the support rod is fixedly connected with the driving plate 12.
In this embodiment, the wheel assembly is connected to the driving plate 12 through the fourth through hole, so that when the driving plate 12 is switched from the first lifting position to the second lifting position, the driving plate 12 drives the wheel assembly to lift, thereby facilitating the contact braking between the braking mechanism and the ground, and improving the braking effect.
The above description is only illustrative of the preferred embodiments of the present invention and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the invention referred to in the present invention is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present invention (but not limited to) having similar functions are replaced with each other.

Claims (10)

1. A tunnel security construction conveyer, characterized by comprising:
the vehicle comprises a vehicle body (1), wherein a bearing plate (11) for bearing materials is arranged in the vehicle body (1), and an installation space is formed between the bearing plate (11) and the bottom of the vehicle body (1); a driving plate (12) is arranged in the installation space in a lifting manner; the drive plate (12) has a first lifting position and a second lifting position;
a wheel assembly mounted at the bottom of the vehicle body (1);
a collision mechanism mounted on the head of the vehicle body (1) and connected to the drive plate (12), the collision mechanism having a collision surface and a drive surface; when the collision surface receives an external force from a first direction, the driving surface drives the driving plate (12) to move to the second lifting position; when the external force is removed, the driving plate (12) is restored to the first lifting position; the first direction points from the head part to the tail part of the vehicle body (1);
the brake mechanism is arranged at the bottom of the vehicle body (1) and is in transmission connection with the driving plate (12); when the driving plate (12) is in the second lifting position, the braking mechanism is in contact braking with the ground; when the drive plate (12) is in the first lifting position, the brake mechanism is away from the ground to release the brake.
2. The tunnel safe construction transportation device according to claim 1, wherein a first through hole is formed in the bottom of the vehicle body (1), and the brake mechanism is in transmission connection with the driving plate (12) through a transmission assembly; the transmission assembly includes:
a transmission gear (21), wherein the transmission gear (21) is rotatably arranged in the installation space along a rotation axis, and the rotation axis is parallel to the bottom surface of the vehicle body (1);
a first drive rack (22), wherein the first drive rack (22) is arranged along a second direction and meshed with one side of the transmission gear (21); the first driving rack (22) is fixedly connected with the driving plate (12); the second direction is perpendicular to the bottom surface of the vehicle body (1);
a second drive rack (23), the second drive rack (23) being arranged along the second direction and being meshed with the other side of the transmission gear (21); the brake mechanism is fixedly connected with the second driving rack (23) through the first through hole.
3. The tunnel safe construction transportation device according to claim 2, wherein the installation space is provided with a second through hole corresponding to one side of the head of the vehicle body (1); the collision mechanism includes:
the driving block (31) can be slidably arranged in the second through hole along the first direction, the driving surface is an inclined surface and is arranged on the driving block (31), and the driving surface is in abutting contact with the bottom of the driving plate (12);
the collision plate (32), collision plate (32) set up in automobile body (1) head, and with drive piece (31) are connected, the collision face set up in collision plate (32) keep away from automobile body (1) one side.
4. A tunnel safety construction transportation device according to claim 3, wherein the striking plate (32) is hinged to the driving block (31), a limiting assembly is provided between the vehicle body (1) and the striking plate (32), and the limiting assembly comprises:
a first guide bar (33), the first guide bar (33) being arranged along the second direction; limiting blocks (34) used for being fixedly connected with the head of the vehicle body (1) are arranged at two ends of the first guide rod (33);
the sliding block (35) can be arranged on the first guide rod (33) in a sliding manner along the second direction, and a first elastic piece (61) is arranged between the sliding block (35) and the limiting block (34);
and one end of the connecting rod (36) is hinged with the sliding block (35), and the other end of the connecting rod is hinged with the collision plate (32).
5. The tunnel safety construction transportation device according to claim 1, wherein a rotation shaft (41) is rotatably mounted on the bearing plate (11), the rotation shaft (41) being parallel to the bearing plate (11) and perpendicular to the first direction; a push plate (42) is arranged on the side wall of the rotating shaft (41), and a third through hole is arranged on the bearing plate (11) and positioned between the rotating shaft (41) and the head of the vehicle body (1);
a driving piece (43) is arranged on the driving plate (12) corresponding to the third through hole; when the driving plate (12) is at the second lifting position, the driving piece (43) drives the pushing plate (42) to rotate along the rotating shaft (41), so that an included angle pointing to the head of the vehicle body (1) in an angle formed by the pushing plate (42) and the driving plate (12) is an acute angle.
6. The tunnel safe construction transportation device according to claim 5, wherein a chute (44) is formed on the driving plate (12), the driving member (43) is slidably mounted in the chute (44) along the first direction, and a second elastic member (62) is disposed between one end of the chute (44) and the driving member (43); the bottom of the bearing plate (11) and the driving piece (43) are provided with a guide mechanism, and the guide mechanism is used for driving the driving piece (43) to slide along the first direction when the driving plate (12) is lifted.
7. The tunnel security construction transportation apparatus according to claim 1, wherein the brake mechanism comprises:
the fixing frame (51), the said fixing frame (51) is connected with said drive plate (12) in a transmission way; a sliding hole is formed in the fixing frame (51) along the first direction; fixing pieces (52) are arranged at two ends of the sliding hole;
a second guide bar (53), the second guide bar (53) being mounted between the two fixing pieces (52);
the brake block (54), the brake block (54) has connecting portion and braking portion, the connecting portion can be followed the installation that first direction is slided on second guide bar (53), braking portion is used for with ground contact braking, connecting portion with install third elastic component (63) between mounting (52).
8. The tunnel safe construction transportation device according to claim 7, wherein the bottom surface of the brake block (54) is tooth-shaped, and a side of the brake block (54) close to the collision surface is arc-shaped.
9. Tunnel safety construction transportation device according to any of claims 1-8, characterized in that a fourth elastic element (64) is mounted between the carrier plate (11) and the drive plate (12).
10. The tunnel safe construction transportation device according to claim 9, wherein a fourth through hole is provided at the bottom of the vehicle body (1), and the wheel assembly is connected to the driving plate (12) through the fourth through hole.
CN202310442843.6A 2023-04-24 2023-04-24 Tunnel safety construction conveyer Active CN116176678B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310442843.6A CN116176678B (en) 2023-04-24 2023-04-24 Tunnel safety construction conveyer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310442843.6A CN116176678B (en) 2023-04-24 2023-04-24 Tunnel safety construction conveyer

Publications (2)

Publication Number Publication Date
CN116176678A true CN116176678A (en) 2023-05-30
CN116176678B CN116176678B (en) 2023-07-04

Family

ID=86452388

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310442843.6A Active CN116176678B (en) 2023-04-24 2023-04-24 Tunnel safety construction conveyer

Country Status (1)

Country Link
CN (1) CN116176678B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116538216A (en) * 2023-07-06 2023-08-04 美固龙金属制品（中国）有限公司 Brake device and bedside table

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130126806A1 (en) * 2010-04-16 2013-05-23 Ravas Europe B.V. Hand lift truck
CN105858410A (en) * 2016-06-22 2016-08-17 中国矿业大学 Device and method for automatically regulating inclination angle of variable-slope oblique running container
US20200070866A1 (en) * 2018-08-21 2020-03-05 Clearpath Robotics Inc. Materials handling cart
CN111923980A (en) * 2020-08-04 2020-11-13 吴永胜 Power device for moving semiconductor equipment
CN212607479U (en) * 2020-04-15 2021-02-26 湖南特沃斯生物科技股份有限公司 Solid raw material conveying scraper based on organic fertilizer production
CN214648357U (en) * 2021-03-16 2021-11-09 四川久傲科技有限公司 Intelligent medical treatment waste transfer trolley
CN215477690U (en) * 2021-07-30 2022-01-11 佛山市莱润新型建材有限公司 Purify sheet material feeding equipment of battenboard production line
CN114017110A (en) * 2021-11-19 2022-02-08 山东金恒力能源科技有限公司 Gangue throwing machine for mine backfilling and use method thereof
CN215971579U (en) * 2021-11-15 2022-03-08 中建七局交通建设有限公司 Tunnel safety inspection device
CN114194269A (en) * 2021-12-24 2022-03-18 陈冬梅 A fortune hopper car for building construction material transportation

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130126806A1 (en) * 2010-04-16 2013-05-23 Ravas Europe B.V. Hand lift truck
CN105858410A (en) * 2016-06-22 2016-08-17 中国矿业大学 Device and method for automatically regulating inclination angle of variable-slope oblique running container
US20200070866A1 (en) * 2018-08-21 2020-03-05 Clearpath Robotics Inc. Materials handling cart
CN212607479U (en) * 2020-04-15 2021-02-26 湖南特沃斯生物科技股份有限公司 Solid raw material conveying scraper based on organic fertilizer production
CN111923980A (en) * 2020-08-04 2020-11-13 吴永胜 Power device for moving semiconductor equipment
CN214648357U (en) * 2021-03-16 2021-11-09 四川久傲科技有限公司 Intelligent medical treatment waste transfer trolley
CN215477690U (en) * 2021-07-30 2022-01-11 佛山市莱润新型建材有限公司 Purify sheet material feeding equipment of battenboard production line
CN215971579U (en) * 2021-11-15 2022-03-08 中建七局交通建设有限公司 Tunnel safety inspection device
CN114017110A (en) * 2021-11-19 2022-02-08 山东金恒力能源科技有限公司 Gangue throwing machine for mine backfilling and use method thereof
CN114194269A (en) * 2021-12-24 2022-03-18 陈冬梅 A fortune hopper car for building construction material transportation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
T. DĄBROWSKI; T. L. STAŃCZYK: "The influence of high energy brake applications on brake disks\' integrity — Established by inertia brake dynamometer testing", 2018 XI INTERNATIONAL SCIENCE-TECHNICAL CONFERENCE AUTOMOTIVE SAFETY, pages 1 - 10 *
孟庆华,何顺席: "基于普轨的卡轨楔式制动斜井人车应用", 煤炭与化工, vol. 38, no. 11, pages 110 - 111 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116538216A (en) * 2023-07-06 2023-08-04 美固龙金属制品（中国）有限公司 Brake device and bedside table
CN116538216B (en) * 2023-07-06 2024-02-20 美固龙金属制品（中国）有限公司 Brake device and bedside table

Also Published As

Publication number Publication date
CN116176678B (en) 2023-07-04

Similar Documents

Publication Publication Date Title
CN116176678B (en) Tunnel safety construction conveyer
CN105293291A (en) Crane trolley walking limiting device and application method
US20060267295A1 (en) Supporting structure for wheel
CN114715213A (en) Be applied to mining machinery's railcar
CN212502516U (en) Rail trolley
CN209799509U (en) Combined device for preventing vehicle carrying plate from accidentally falling and stereo garage
US3901390A (en) Magnetic rail car knuckle-opener
CN210557485U (en) Locking mechanism for curing furnace trolley
CN220639833U (en) Mine annular yard locomotive keeps away barrier safety arrangement
JP6351560B2 (en) Transport cart
CN220299505U (en) Sub-car moving anti-swing structure
CN218055177U (en) Anticollision device of underground unmanned vehicle
CN219215032U (en) Trolley-bus rubber-tyred car arrester
CN215244874U (en) Safety protection structure of flatcar
KR101262209B1 (en) Safety device having handcart
CN221251045U (en) Self-propelled vehicle with anti-collision structure
CN219790166U (en) Limiting device of electric flat car
CN217457539U (en) Vehicle-mounted trailer chain structure
CN219635150U (en) AGV dolly with anticollision structure
CN214039562U (en) Plane sintering machine return lane stop device
SU1261826A1 (en) Arrangement for arresting a rail-mounted carriage
CN114148861B (en) Second-level carrying assembly for aerial ladder vehicle
CN217867794U (en) A buffer stop for steelmaking overhead traveling crane
CN109812112B (en) Combined device for preventing car carrying plate from accidentally falling and stereo garage
CN221217045U (en) Anti-slip fork device and electric pallet truck

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant