CN117287216B - Portable tunnel excavation trolley - Google Patents
Portable tunnel excavation trolley Download PDFInfo
- Publication number
- CN117287216B CN117287216B CN202311587397.4A CN202311587397A CN117287216B CN 117287216 B CN117287216 B CN 117287216B CN 202311587397 A CN202311587397 A CN 202311587397A CN 117287216 B CN117287216 B CN 117287216B
- Authority
- CN
- China
- Prior art keywords
- rod
- connecting rod
- rotating
- telescopic
- trolley
- 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.)
- Active
Links
- 238000009412 basement excavation Methods 0.000 title claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 abstract description 19
- 230000008569 process Effects 0.000 abstract description 15
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000005484 gravity Effects 0.000 description 8
- 238000005553 drilling Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
- B60S9/10—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting by fluid pressure
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention relates to a portable tunnel excavation trolley, which belongs to the technical field of tunnel excavation and comprises a trolley body and a base arranged below the trolley body, wherein a bearing mechanism is arranged on the base and comprises a telescopic part and a connecting rod rotating part, the connecting rod rotating part is rotatably arranged on the base, one end of the connecting rod rotating part is connected with the trolley body through a fixed block, a sliding groove is formed in the fixed block, one end of the connecting rod rotating part slides in the sliding groove, the other end of the connecting rod rotating part is connected with the base through an inclined telescopic part, one end of the telescopic part slides in the sliding groove through a driving connecting rod rotating part, so that the trolley body is lifted, and the whole weight of the trolley body is pressed on the connecting rod rotating part in the process and is not directly and vertically pressed on the telescopic part, so that even if the trolley body is frequently moved, the telescopic part is not damaged or fails, the self-locking state between the connecting rod rotating part and the trolley body can be achieved while the labor is saved, and the trolley body is ensured to be more stable in use.
Description
Technical Field
The invention belongs to the technical field of tunnel excavation, and particularly relates to a portable tunnel excavation trolley.
Background
In the present tunnel excavation process, tunnel excavation trolley construction can be usually used, and because tunnel excavation trolley is big in volume and weight, therefore adopt the guide rail cooperation to advance usually, but along with the maturity of automated technique, also appear another portable tunnel excavation trolley in the tunnel excavation trolley, compare in traditional tunnel excavation trolley, the automobile body is less to can realize the tunnel construction to equidimension not through hydraulic structure is flexible.
At present portable tunnel excavation platform truck, the gyro wheel is all installed in four angles of automobile body below in most, vertical hydraulic means and horizontal hydraulic means are still installed to the automobile body below, when needs are moved about in the tunnel, start vertical hydraulic means earlier, contact and separation through vertical hydraulic means and ground, thereby realize the separation and the contact on gyro wheel and ground, when the gyro wheel breaks away from ground, just can make the whole horizontal translation of automobile body through horizontal hydraulic means, thereby realize the tunnel construction to equidimension not, the operation platform that the workman used is all installed to the left and right sides of automobile body simultaneously, and still install hydraulic telescoping device on the operation platform, it is spacing to extrude the steel bow member that can use in the tunnel excavation process through hydraulic telescoping device's left and right sides flexible.
Existing portable tunnel excavation trolleys have some problems: because tunnel excavation trolley weight is great, need frequently use perpendicular hydraulic means to rise and fall in the use, lead to the great pressure of excavation trolley automobile body to press on perpendicular hydraulic means many times, lead to the fact perpendicular hydraulic means to damage or inefficacy easily to this provides a portable tunnel excavation trolley, can shift the weight of excavation trolley back, presses hydraulic means again to this has reduced hydraulic means damage or inefficacy.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a portable tunnel excavation trolley, which solves the problems that the weight of the tunnel excavation trolley is large, a vertical hydraulic device is required to be frequently used for lifting in the use process, so that the large pressure of the body of the excavation trolley is pressed on the vertical hydraulic device for multiple times, and the vertical hydraulic device is easy to damage or lose efficacy.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a portable tunnel excavation platform truck, includes the automobile body and sets up the base in the automobile body below, be equipped with bearing mechanism on the base, bearing mechanism includes telescopic part and connecting rod rotation portion, connecting rod rotation portion rotates and sets up on the base, the one end of connecting rod rotation portion passes through fixed block and car connection, the spout has been seted up on the fixed block, the one end of connecting rod rotation portion slides in the spout, connect through the telescopic part of slope between the other end of connecting rod rotation portion and the base, telescopic part passes through drive connecting rod rotation portion one end and slides in the spout, makes the automobile body go up and down.
As a further scheme of the invention, the connecting rod rotating part comprises an arc rotating rod and a sliding rod, the sliding rod is vertically arranged at one end of the arc rotating rod, the sliding rod slides in the sliding groove, and the inflection point of the arc rotating rod is rotatably arranged on the base.
As a further scheme of the invention, a first bulge is arranged on one side wall of the arc-shaped rotating rod, a limiting block is arranged on the base, and a second bulge which is attached to the first bulge is arranged on the limiting block.
As a further scheme of the invention, the telescopic part comprises a hydraulic rod and a push rod vertically arranged at the other end of the arc-shaped rotating rod, and two ends of the hydraulic rod are respectively hinged with the base and the push rod.
As a further scheme of the invention, the included angle between the hydraulic rod and the horizontal plane is theta, the gravity of the vehicle body is G, and the pressure born by the hydraulic rod by the vehicle body is F, wherein F=G.sin theta.
As a further scheme of the invention, the side wall of the vehicle body is provided with a folding stepping mechanism for a constructor to stand, the folding stepping mechanism comprises a stepping part, a supporting part, a connecting rod part and a spring part, the stepping part is arranged on the vehicle body in a sliding manner, the connecting rod part is hinged with the supporting part, two ends of the stepping part are respectively hinged with the supporting part and the connecting rod part, two ends of the spring part are respectively hinged with the connecting rod part and the stepping part, the supporting part drives the connecting rod part to rotate, the spring part stretches and contracts, and the supporting part is detachably connected with the ground to be used.
As a further scheme of the invention, the supporting part comprises a first rotating rod and a second rotating rod, the first rotating rod and the second rotating rod are vertically arranged, and the right-angle top points of the first rotating rod and the second rotating rod are hinged with the supporting part.
As a further scheme of the invention, a baffle plate is arranged on the pedal part near one end of the supporting part, and the second rotating rod is attached to the baffle plate.
As a further scheme of the invention, the connecting rod part comprises a first connecting rod and a second connecting rod, two ends of the first connecting rod are respectively hinged with one end of the second connecting rod and the first rotating rod, and the other end of the second connecting rod is hinged with the treading part.
As a further scheme of the invention, the spring part comprises a telescopic rod and a spring sleeved on the telescopic rod in a sliding way, one end of the telescopic rod is hinged to a hinge point of the first connecting rod and the second connecting rod, and the other end of the telescopic rod is hinged to the treading part.
The beneficial effects of the invention are as follows:
through installing bearing mechanism at the base, when frequently through the gyro wheel and the ground contact and the break away from of automobile body below, when realizing that the automobile body left and right sides removes, the majority weight of automobile body all presses on bearing mechanism, bearing mechanism passes through telescopic part and connecting rod rotating part cooperation, when the automobile body rises or descends along the base, telescopic part has driven connecting rod rotating part and has slided in the spout, make sliding auto-lock between connecting rod rotating part and the automobile body, the majority weight of automobile body is direct pressure on connecting rod rotating part in this in-process, not direct vertical pressure is on the telescopic part, consequently at frequent removal automobile body, damage or inefficacy appear in the telescopic part can be reduced, and still can reach and be in the auto-lock state between connecting rod rotating part and the automobile body when reaching laborsaving, guarantee that the automobile body uses more stably.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the load bearing mechanism structure of the present invention;
FIG. 3 is a schematic diagram of hydraulic lever stress according to the present invention;
FIG. 4 is a schematic illustration of a pushrod installation according to the present invention;
FIG. 5 is a schematic illustration of the mounting of the pedaling mechanism of the present invention;
fig. 6 is a schematic structural view of the treading mechanism of the present invention.
Description of main reference numerals:
in the figure: 1. a vehicle body; 2. a base; 3. a bearing mechanism; 31. a telescopic part; 311. a hydraulic rod; 312. a push rod; 32. a link rotating part; 321. an arc-shaped rotating rod; 322. a fixed block; 323. a slide bar; 33. a chute; 34. a first protrusion; 35. a limiting block; 36. a second protrusion; 4. a pedal mechanism; 41. a tread portion; 42. a support part; 421. a first rotating lever; 422. a second rotating lever; 43. a link portion; 431. a first connecting rod; 432. a second connecting rod; 44. a spring part; 441. a telescopic rod; 442. and (3) a spring.
Detailed Description
In order to further describe the technical means and effects adopted by the invention for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the invention with reference to the attached drawings and the preferred embodiment.
Referring to fig. 1 to 6, the present embodiment provides a portable tunnel excavation trolley comprising a trolley body 1 and a base 2 disposed below the trolley body 1, a load-bearing mechanism 3 is mounted on the base 2, rollers are mounted at four corners of the trolley body 1, the rollers can be separated from and contacted with the ground through the load-bearing mechanism 3, the pressure of the trolley body 1 can be directly applied to the load-bearing mechanism 3, the load-bearing mechanism 3 is used for weakening the pressure born by the trolley body 1, the rollers can be separated from and contacted with the ground through the load-bearing mechanism 3, the pressure of the trolley body 1 can be directly applied to the load-bearing mechanism 3, the load-bearing mechanism 3 comprises a telescopic part 31 and a connecting rod rotating part 32, the telescopic part 31 is obliquely arranged for reducing the stress, the base close to the roller is connected with the trolley body 1 through a telescopic rod, the interference between the lifting of the trolley body 1 and the connecting rod rotating part 32 is avoided, the connecting rod rotating part 32 is rotatably arranged on the base 2, one end of the connecting rod rotating part 32 is connected with the vehicle body 1 through a fixed block 322, a chute 33 is arranged on the fixed block 322, one end of the connecting rod rotating part 32 slides in the chute 33, the other end of the connecting rod rotating part 32 is connected with the base through an inclined telescopic part 31, the telescopic part 31 slides in the chute 33 through driving one end of the connecting rod rotating part 32 to lift the vehicle body 1 so as to protect a hydraulic device from damage or failure, the other end of the connecting rod rotating part 32 can also realize sliding self-locking between the connecting rod rotating part 32 and the vehicle body when sliding in the chute 33, the sliding self-locking has the advantages that when the telescopic part 31 enables the connecting rod rotating part 32 to drive the vehicle body 1 to lift to a required position, the telescopic part 31 stops not moving, the connecting rod rotating part 32 is in a self-locking state with the vehicle body 1 at the moment, the connecting rod rotating part 32 is ensured not to move, and at this time, most of the pressure of the vehicle body 1 is pressed on the base 2, so that the weight of the vehicle body 1 is prevented from being directly and vertically pressed on a hydraulic device, which is referred to as a vertical hydraulic device in the prior art, and is also a telescopic part 31 in this scheme.
At present, the common tunnel excavation trolley is large in size and weight, so that the tunnel excavation trolley is convenient to carry, the portable tunnel excavation trolley is formed by adopting a simpler trolley body 1, a vertical hydraulic device and a horizontal hydraulic device in a matched mode, rollers are arranged at four corners below the trolley body 1, when the portable tunnel excavation trolley needs to move left and right in a tunnel, the vertical hydraulic device is started firstly, contact and separation of the vertical hydraulic device and the ground are realized, the rollers are separated from the ground, when the rollers are separated from the ground, the trolley body 1 can be integrally horizontally moved left and right through the horizontal hydraulic device, tunnel construction of different sizes is realized, meanwhile, an operation platform used by workers is installed on the left side and the right side of the trolley body 1, a hydraulic expansion device is further installed on the operation platform, the steel arch used in the tunnel excavation process can be extruded and limited through the left and right expansion of the hydraulic expansion device, but the vertical hydraulic device needs to be frequently used in the use process to be lifted in the use process, so that the trolley body 1 is easy to cause multiple hydraulic failure or the vertical hydraulic device is easy to cause multiple hydraulic failure due to the fact that the vertical hydraulic device is frequently used in the use of the tunnel excavation trolley body is large in weight.
In order to solve the above problems, in this embodiment, by installing the load-bearing mechanism 3 on the base, when the vehicle body 1 moves left and right frequently by contact and detachment of the roller under the vehicle body 1 with the ground, most of the weight of the vehicle body 1 is pressed on the load-bearing mechanism 3, the load-bearing mechanism 3 is matched with the link rotating portion 32 through the telescopic portion 31, when the vehicle body 1 ascends or descends along the base 2, the telescopic portion 31 drives the link rotating portion 32 to slide in the sliding groove 33, so that the link rotating portion 32 and the vehicle body 1 slide and self-lock, during this process, most of the weight of the vehicle body 1 is directly pressed on the link rotating portion 32, not directly vertically pressed on the telescopic portion 31, therefore, when the vehicle body 1 is frequently moved, damage or failure of the telescopic portion 31 can be reduced, and a self-locking state between the link rotating portion 32 and the vehicle body 1 can be achieved while labor saving is achieved, and the use of the vehicle body 1 is ensured to be more stable.
In order to better enable the link rotating part 32 to achieve self-locking after the car body 1 is lifted to a proper position, in one embodiment, the link rotating part 32 comprises an arc-shaped rotating rod 321 and a sliding rod 323, the sliding rod 323 is vertically arranged at one end of the arc-shaped rotating rod 321, the sliding rod 323 slides in the sliding groove 33, the inflection point of the arc-shaped rotating rod 321 is rotatably arranged on the base 2, the maximum distance of the car body 1 in descending and ascending is determined by the length of the sliding groove 33, when the sliding rod 323 slides to the leftmost side of the sliding groove 33 as shown in fig. 2, the car body 1 descends to the lowest, the roller under the car body 1 contacts with the ground, the base 2 is separated from the ground, a certain distance is provided between the base 2 and the ground, the roller under the car body 1 is separated from the ground when the car body 1 ascends to the highest point, the base 2 is contacted with the ground, and at this time, the sliding rod 323 slides to the rightmost side of the sliding groove 33 in fig. 2, at this time, the rod of the arc-shaped rotating rod 321 connected with the sliding rod 323 is just perpendicular to the base 2, when the sliding rod 323 slides to the leftmost side or the rightmost side in the sliding groove 33, the arc-shaped rotating rod 321 forms self-locking to the vehicle body 1, so that the vehicle body 1 cannot continue to move downwards or upwards, the inflection point of the arc-shaped rotating rod 321 is rotationally arranged on the base, the other end of the arc-shaped rotating rod 321 is driven by the telescopic part 31, the gravity of the vehicle body 1 directly acts on the arc-shaped rotating rod 321 through the sliding rod 323 and acts on the base 2 and the telescopic part 31 through the arc-shaped rotating rod 321, therefore, the force born by the telescopic part 31 is smaller than the gravity of the vehicle body 1, and the telescopic part 31 cannot be damaged due to the fact that the excessive pressure presses on the telescopic part 31 when the vehicle body 1 moves frequently, the expansion and contraction part 31 here corresponds to a vertical hydraulic device in the related art, except that the expansion and contraction part 31 here is provided obliquely.
In order to better make the vehicle body 1 break away from the ground, the vehicle body 1 is more stable on the base 2, in an embodiment, the first protrusion 34 is installed on one side wall of the arc-shaped rotating rod 321, the limiting block 35 is installed on the base, the second protrusion 36 attached to the first protrusion 34 is installed on the limiting block 35, when the vehicle body 1 leaves the ground to the highest position, the rod of the arc-shaped rotating rod 321 connected with the sliding rod 323 is just perpendicular to the base 2, the first protrusion 34 is installed on the other rod of the arc-shaped rotating rod 321, the first protrusion 34 and the second protrusion 36 are attached and pressed, when the arc-shaped rotating rod 321 keeps in a vertical state, the left side is supported by the telescopic part 31, the right side is supported by the limiting block 35 and the second protrusion 36, and the position of the arc-shaped rotating rod 321 can be guaranteed to be motionless, compared with the telescopic part 31 which is used as a support, the design of the limiting block 35 can make the telescopic part 31 more labor-saving, the damage of the telescopic part 31 can be better avoided, the surface of the limiting block 35 on the process is provided with the second protrusion 36 is inclined, and when the rotating rod 321 connected with the sliding rod 323 is just perpendicular to the other rod of the arc-shaped rotating rod 321, the first protrusion 34 is just inclined to the base 2, and the arc-shaped rotating rod 1 is located on the ground when the vehicle body is located on the base 1 and is more stable.
In order to better drive the arc-shaped rotating rod 321 to rotate, simultaneously, the sliding rod 323 can slide to the leftmost side or the rightmost side in the sliding groove 33, thereby realizing self-locking of the position of the vehicle body 1, in one embodiment, the telescopic part 31 comprises a hydraulic rod 311 and a push rod 312 vertically arranged at the other end of the arc-shaped rotating rod 321, two ends of the hydraulic rod 311 are respectively hinged with the base and the push rod 312, the hydraulic rod 311 is externally connected with a control switch, the hydraulic rod 311 is controlled to stretch and retract through the control switch, the arc-shaped rotating rod 321 is driven to rotate under the action of the push rod 312 when the hydraulic rod 311 stretches and contracts, the vehicle body 1 can be lifted and lowered, and when the sliding rod 323 stretches and contracts at the leftmost end or the rightmost end in the sliding groove 33, the hydraulic rod 311 can not continue stretching and retracting, the design at this place can be convenient for a user to adjust the hydraulic rod 311, and compared with the prior art, and the hydraulic rod 311 can be more efficiently utilized.
In order to reduce the stress of the hydraulic rod 311 according to the weight of the vehicle body 1 better, in an embodiment, the included angle between the hydraulic rod 311 and the horizontal plane is θ, the gravity of the vehicle body 1 is G, the hydraulic rod 311 bears the pressure F of the vehicle body 1 and is F, wherein f=g.sinθ, because the included angle θ between the hydraulic rod and the horizontal plane is in the range of 0 ° to 90 °, and when the limiting positions are 0 ° and 90 °, the hydraulic rod 311 cannot drive the arc-shaped rotating rod 321 to slide the sliding rod 323 in the sliding groove 33, so that the included angle θ between the hydraulic rod 311 and the horizontal plane, that is, the inclination angle, can be adjusted according to the actual needs, because the gravity of the vehicle body 1 is unchanged, the smaller the inclination angle is, the smaller the hydraulic rod 311 bears the pressure F of the vehicle body 1, and the service life of the hydraulic rod 311 can be prolonged.
Since the tunnel excavation trolley is usually required to be constructed on the tunnel excavation trolley with a worker standing at the time of use, in the prior art, an operation platform for workers is usually provided on the side wall of the vehicle body 1, and a hydraulic device is used to transversely extend so as to realize the storage and the expansion of the operation platform, but when the tunnel excavation trolley does not need to be adjusted to the left or right, the tunnel excavation trolley is convenient to advance, the rollers are in contact with the ground, the operation platform is sometimes required when the base 2 is not in contact with the ground, and the hydraulic device is used to enable the constructor to stand on the operation platform, the shaking of the operation platform and the instability of the whole vehicle body are easily caused at the moment, and meanwhile, in order to reduce the use quantity of the hydraulic device, dust is easily entered and the hydraulic device is polluted in the tunnel environment when the hydraulic device is used, especially when frequently used, in one embodiment, the folding pedal mechanism 4 for a constructor to stand is arranged on the side wall of the vehicle body 1 to replace a hydraulic device, the folding pedal mechanism 4 comprises a pedal part 41, a supporting part 42, a connecting rod part 43 and a spring part 44, the pedal part 41 is arranged on the vehicle body 1 in a sliding way, a guide rail is arranged on the vehicle body 1, a guide block is arranged on the side wall of the pedal part 41 in a sliding way, the guide block is not separated from the guide rail, a hand pull ring is arranged on the pedal part 41, the pedal part 41 is pulled more conveniently, meanwhile, the pedal part 41 is a retractable pedal plate, the fault tolerance is increased, two ends of the pedal part 41 are respectively hinged with the supporting part 42 and the connecting rod part 43, two ends of the spring part 44 are respectively hinged with the connecting rod part 43 and the pedal part 41, the supporting part 42 drives the connecting rod part 43 to rotate, and the spring part 44 is enabled to stretch, the supporting part 42 and the ground to be used can be dismantled and connected, when using the portion of trampling 41, through the manual rotation supporting part 42, make supporting part 42 and ground contact to be used, this moment supporting part 42 and ground combined action under just make constructor stand on trampling portion 41 more steady, simultaneously make whole automobile body 1 more steady, avoided automobile body 1 and trampling portion 41 to rock, this moment supporting part 42 has driven connecting rod portion 43 motion, connecting rod portion 43 has driven spring portion 44 motion, last supporting part 42 will trample portion 41 support, the portion of trampling 41 just is the operation platform that the workman used just, the workman can stand on trampling portion 41 and carry out construction operation, the expansion and the accomodating of the operation platform that the workman used have been realized in the cooperation of simple and lower connecting rod portion 43 and spring portion 44 this moment, and above-mentioned in-process, gyro wheel and ground contact when tunnel excavation platform truck is not needed, when base 2 and ground contact, namely under this circumstances, again operate supporting part 42, make supporting part 42 and stand-by ground contact this step, can play and make automobile body and whole automobile body portion and trample portion of trampling portion 41 support, even if the position is not need not trampling portion 1, the moment is avoided and the whole ground to be more stable, the base 2 is not to be connected with the ground contact position of the ground, the ground contact is avoided here, the base 2 is not to be stable, the step 1 is avoided and the position is not required to trampled, the ground contact the position is stable, the base 1 to be used and the ground contact is avoided when the position is not required to trampled, the ground 1, the ground is stable ground 1.
In order to better support the tread portion 41, in an embodiment, the support portion 42 includes a first rotating rod 421 and a second rotating rod 422, the first rotating rod 421 and the second rotating rod 422 are vertically disposed, where the first rotating rod 421 and the second rotating rod 422 are vertically disposed in order to ensure that the connecting rod portion 43 and the spring portion 44 are just fixed when the second rotating rod 422 contacts the ground, and the connecting rod portion 43 and the spring portion 44 are just fixed when the second rotating rod 422 is retracted below the tread portion 41 away from the ground, and the right angle vertex of the first rotating rod 421 and the second rotating rod 422 is hinged to the support portion 42.
To better stabilize the support portion 42 in contact with the ground, in one embodiment, the pedal portion 41 near one end of the support portion 42 is provided with a baffle plate, and the second rotating rod 422 is attached to the baffle plate, so that the baffle plate can prevent the support portion 42 from continuing to rotate when the support portion 42 is just in contact with the ground, thereby causing damage to the spring portion 44, and making it safer for a worker to stand on the pedal portion 41 for construction.
In order to better enable the second rotating rod 422 to rotate, the spring portion 44 can be moved by the connecting rod portion 43 under the action of the first rotating rod 421, in an embodiment, the connecting rod portion 43 includes a first connecting rod 431 and a second connecting rod 432, two ends of the first connecting rod 431 are hinged with one end of the second connecting rod 432 and the first rotating rod 421 respectively, the other end of the second connecting rod 432 is hinged with the tread portion 41, when the first rotating rod 421 rotates, the first connecting rod 431 is driven to move, the first connecting rod 431 drives the second connecting rod 432 to rotate, and the hinge point of the first connecting rod 431 and the second connecting rod 432 drives the spring portion 44 to move together, so that the second rotating rod 422 is unfolded and stored, when the second rotating rod 422 is used, the tread portion 41 needs to be pulled by hand, the tread portion 41 slides out along the guide rail, and then when the second rotating rod 422 is rotated, the second rotating rod 422 needs to be folded, and the tread portion 41 is stored along the guide rail.
In order to better enable the second rotating rod 422 to be fully unfolded and fully stored, the second rotating rod 422 does not move due to self gravity, so that the spring portion 44 is required to provide an acting force for the second rotating rod 422 through the first connecting rod 431 and the second connecting rod 432, in one embodiment, the spring portion 44 comprises a telescopic rod 441 and a spring 442 sleeved on the telescopic rod 441 in a sliding mode, one end of the telescopic rod 441 is hinged to a hinging point of the first connecting rod 431 and the second connecting rod 432, the other end of the telescopic rod 441 is hinged to the treading portion 41, when the telescopic rod 441 acts, the spring 442 is prevented from being twisted when the first connecting rod 431 and the second connecting rod 432 drive the spring 442 to move, when the second rotating rod 422 is fully unfolded, the second connecting rod 432 is just perpendicular to the treading portion 41, the second rotating rod 422 is also perpendicular to the treading portion 41, at the moment, the second rotating rod 422, the second connecting rod 432, the first connecting rod 431, the first rotating rod 421 and the spring 442 are jointly in a fixed state, and simultaneously support the treading portion 41, and when the second connecting rod 432 is fully stored, the spring 442 is in a state, the second connecting rod 432 is just free of deformation, and the second connecting rod 442 does not move due to the gravity.
In order to better solve ventilation and hydropower problems in tunnels, the existing tunnel excavation trolley is required to move along with the tunnel face in the tunnel face excavation process, the excavation trolley is required to frequently move according to requirements in the blasting, deslagging and supporting processes, the wind-water electric pipes distributed around the excavation trolley are required to move irregularly along with the trolley, a large amount of manpower is consumed to move regularly, the working efficiency is reduced, various pipelines are easy to abrade and bend on a trolley steel frame in the working process, potential safety hazards exist, vertical, transverse and longitudinal steel pipes are fixed on the main frame steel frame of the excavation trolley, a section of high-pressure water pipe and an air pipe are fixed inside the steel pipes, a plurality of wind-water pipe valve joints are arranged in the drilling hole working area according to actual working requirements, in the drilling hole working process, a drilling tool can be normally supplied with wind and water only by connecting the valves, the trolley is required to move irregularly, the joints are disconnected, the wind-water hoses are fixed on the excavation trolley, the potential safety hazards caused by the pipeline irregular abrasion are eliminated, the main frame of the excavation trolley is greatly reduced, and the working efficiency is greatly improved in the working process.
The working principle and the using flow of the invention are as follows:
when the tunnel excavation trolley needs to move frequently, the hydraulic rod 311 is controlled to stretch and retract through the external control switch, the arc-shaped rotating rod 321 is driven to rotate, and the arc-shaped rotating rod 321 drives the sliding rod 323 to slide in the sliding groove 33, so that the lifting of the trolley body 1 is realized, and the self-locking of the trolley body 1 after the lifting is realized;
when the position of the vehicle body 1 is adjusted, the pedal 41 is pulled to enable the pedal 41 to slide out along the guide rail, then the second rotating rod 422 is rotated to enable the second rotating rod 422 to be unfolded, during storage, the second rotating rod 422 needs to be rotated first to enable the pedal 41 to be stored along the guide rail after the second rotating rod 422 is stored, in the process, when the second rotating rod 422 is completely unfolded, the spring 442 is in a stretching state, the second connecting rod 432 is just perpendicular to the pedal 41, the second rotating rod 422 is also perpendicular to the pedal 41, the second rotating rod 422, the second connecting rod 432, the first connecting rod 431, the first rotating rod 421, the telescopic rod 441 and the spring 442 are in a fixed state together, meanwhile the pedal 41 is supported, and when the second connecting rod 432 is completely stored, the spring 442 is just in a non-deformation state, and the spring 442 overcomes the gravity of the second connecting rod 432, so that the second connecting rod 432 cannot move;
simultaneously, fix vertical, horizontal, vertical steel pipe on excavation platform owner's frame steelframe, the inside fixed one section high-pressure water pipe of steel pipe, the tuber pipe sets up a plurality of wind-water pipe valve joints at the drilling work area according to actual operation needs, in drilling work, only need insert the drilling tool through the valve and reserve wind-water-electricity valve interface, can normally supply air water supply, set up the valve interface equally in excavation platform truck bottom, the platform truck needs portable, the disconnection connects, excavation platform truck fixed steel pipe wind-water hose, connect house steward and drilling tool through the valve, both eliminated the safety hazard that the pipeline is mixed and disorderly wearing and tearing to buckle and cause, greatly reduced regular pipeline work load has greatly improved work efficiency in excavation platform truck removal in-process again.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (6)
1. The portable tunnel excavation trolley is characterized by comprising a trolley body and a base arranged below the trolley body, wherein a bearing mechanism is arranged on the base and comprises a telescopic part and a connecting rod rotating part, the connecting rod rotating part is rotatably arranged on the base, one end of the connecting rod rotating part is connected with the trolley body through a fixed block, a chute is formed in the fixed block, one end of the connecting rod rotating part slides in the chute, the other end of the connecting rod rotating part is connected with the base through an inclined telescopic part, and one end of the telescopic part slides in the chute through a driving connecting rod rotating part, so that the trolley body is lifted;
the connecting rod rotating part comprises an arc rotating rod and a sliding rod, the sliding rod is vertically arranged at one end of the arc rotating rod, the sliding rod slides in the sliding groove, and the inflection point of the arc rotating rod is rotationally arranged on the base;
the sliding rod slides to the rightmost side or the leftmost side in the sliding groove to enable the vehicle body to ascend or descend;
a first bulge is arranged on one side wall of the arc-shaped rotating rod, a limiting block is arranged on the base, and a second bulge which is attached to the first bulge is arranged on the limiting block;
the telescopic part comprises a hydraulic rod and a push rod vertically arranged at the other end of the arc-shaped rotating rod, and two ends of the hydraulic rod are respectively hinged with the base and the push rod;
the folding pedal mechanism comprises a pedal part, a supporting part, a connecting rod part and a spring part, wherein the pedal part is arranged on the vehicle body in a sliding mode, the connecting rod part is hinged to the supporting part, the spring part is hinged to the supporting part and the connecting rod part, the two ends of the spring part are hinged to the connecting rod part and the pedal part respectively, the supporting part drives the connecting rod part to rotate, the spring part stretches out and draws back, and the supporting part is detachably connected with the ground to be used.
2. The portable tunnel excavation trolley of claim 1, wherein the angle between the hydraulic rod and the horizontal plane is θ, the weight of the vehicle body is G, and the hydraulic rod receives the pressure of the vehicle body is F, wherein F = g.sin θ.
3. The portable tunnel excavation trolley of claim 1, wherein the support portion comprises a first rotating rod and a second rotating rod, the first rotating rod and the second rotating rod are vertically arranged, and a right angle vertex of the first rotating rod and the second rotating rod is hinged to the support portion.
4. A portable tunnel excavation trolley according to claim 3, wherein the step portion adjacent to one end of the support portion is provided with a baffle, and the second rotating lever is attached to the baffle.
5. A portable tunnel excavation trolley according to claim 3, wherein the link portion comprises a first link and a second link, the first link being hinged to the pedal portion, the second link being hinged to the first rotating lever.
6. The portable tunnel excavation trolley of claim 5, wherein the spring portion comprises a telescopic rod and a spring slidably sleeved on the telescopic rod, one end of the telescopic rod is hinged to a hinge point of the first connecting rod and the second connecting rod, and the other end of the telescopic rod is hinged to the treading portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311587397.4A CN117287216B (en) | 2023-11-27 | 2023-11-27 | Portable tunnel excavation trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311587397.4A CN117287216B (en) | 2023-11-27 | 2023-11-27 | Portable tunnel excavation trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117287216A CN117287216A (en) | 2023-12-26 |
| CN117287216B true CN117287216B (en) | 2024-03-29 |
Family
ID=89239429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311587397.4A Active CN117287216B (en) | 2023-11-27 | 2023-11-27 | Portable tunnel excavation trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117287216B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003227293A (en) * | 2002-02-04 | 2003-08-15 | Ohbayashi Corp | Tunnel boring machine |
| CN208325313U (en) * | 2018-06-25 | 2019-01-04 | 内蒙古科技大学 | A kind of novel foldable shopping cart |
| CN110295920A (en) * | 2019-07-24 | 2019-10-01 | 中国葛洲坝集团第三工程有限公司 | A kind of automatic lifting assembling rack and its application method for tunnel excavation construction |
| CN211642272U (en) * | 2019-11-28 | 2020-10-09 | 贵州电网有限责任公司 | Breaker operation transfer device |
| CN216277900U (en) * | 2021-04-29 | 2022-04-12 | 成都锐龙机械制造有限公司 | Two lining platform trucks in big, flexible tunnel that turn to of bearing |
-
2023
- 2023-11-27 CN CN202311587397.4A patent/CN117287216B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003227293A (en) * | 2002-02-04 | 2003-08-15 | Ohbayashi Corp | Tunnel boring machine |
| CN208325313U (en) * | 2018-06-25 | 2019-01-04 | 内蒙古科技大学 | A kind of novel foldable shopping cart |
| CN110295920A (en) * | 2019-07-24 | 2019-10-01 | 中国葛洲坝集团第三工程有限公司 | A kind of automatic lifting assembling rack and its application method for tunnel excavation construction |
| CN211642272U (en) * | 2019-11-28 | 2020-10-09 | 贵州电网有限责任公司 | Breaker operation transfer device |
| CN216277900U (en) * | 2021-04-29 | 2022-04-12 | 成都锐龙机械制造有限公司 | Two lining platform trucks in big, flexible tunnel that turn to of bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117287216A (en) | 2023-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102230364B (en) | Automatic operation device of upper drill floor and lower drill floor of drill rod | |
| CN203939463U (en) | A kind of novel hydraulic dynamic catwalk | |
| CN201155304Y (en) | Petroleum well drilling boring tool conveyer device | |
| CN104763357A (en) | Automatic drilling rig transporting device | |
| CN106677725A (en) | Petroleum drilling machine pipe transferring equipment | |
| US20220090453A1 (en) | Combination tubular handler and power swivel unit | |
| CN205740169U (en) | A kind of Pneumatic power elevator apparatus | |
| CN117287216B (en) | Portable tunnel excavation trolley | |
| CN104495639B (en) | A kind of crane and use the van of this crane | |
| KR20130005905U (en) | Trolley to carry of ladder truck | |
| CN112983298B (en) | Sucker rod mechanical minor repair operation integrated equipment and technology based on vehicle-mounted workover rig | |
| CN204591184U (en) | A kind of automation drilling tool board migration device | |
| CN113003499A (en) | A aerify lift platform for construction in pit | |
| CN206035495U (en) | Excavating, anchoring and supporting all -in -one machine | |
| CN204324742U (en) | A kind of telescopic cable installation and use the hoisting crane of this cable installation | |
| CN101769130A (en) | Method for conveying drill pipe used for oil drilling on/off drill stand | |
| CN207090903U (en) | A kind of indoor decorations lowering or hoisting gear | |
| CN110566115A (en) | Drilling machine device | |
| CN208220680U (en) | A kind of tubing string Automatic Conveying device | |
| CN103556960B (en) | Drilling tool conveying device | |
| CN203112393U (en) | Engineering machine supporting leg and crane comprising same | |
| CN114961219A (en) | Municipal works inspection shaft is with climbing device | |
| CN209261504U (en) | A kind of tube rod conveyer | |
| CN206233872U (en) | A kind of hook block floating guiding of vehicle carried well repairing machine traveling system and elevator position control device | |
| CN210888794U (en) | Drilling machine device |
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 |