CN218454751U - Duct piece transport trolley for contact channel - Google Patents

Abstract

The utility model provides a section of jurisdiction travelling bogie for contact passageway belongs to tunnel boring equipment technical field. The duct piece transportation trolley comprises a trolley body, wherein a supporting structure used for supporting duct pieces is arranged on the trolley body, at least one pair of fixing devices are further arranged on the trolley body, two fixing devices in one pair are used for being respectively arranged on the left side and the right side of the duct pieces, each fixing device comprises a telescopic mechanism and a fixing end plate fixed at the end part of the telescopic mechanism, and the two fixing end plates are used for pushing and pressing left and right end faces of the duct pieces under the control action of the corresponding telescopic mechanisms. The utility model discloses under the prerequisite that fixed end plate compressed tightly the section of jurisdiction, bolted connection had been increased, established rigid connection with the section of jurisdiction and automobile body, can fix the position of section of jurisdiction, guarantee that the section of jurisdiction is stable, avoid the section of jurisdiction to take place the drunkenness in the transportation, can avoid the travelling bogie to take place to topple over simultaneously, the condition of derailing, can improve and stabilize the transport speed, improve the efficiency of construction, reduce the danger coefficient of quick transportation, ensure section of jurisdiction transportation safety.

Description

Duct piece transport trolley for communication channel

Technical Field

The utility model relates to a section of jurisdiction travelling bogie for contact passageway belongs to tunnel boring equipment technical field.

Background

In the technical field of tunnel construction, a plurality of communication channels are generally designed and built between two adjacent main tunnels, and the functions of communicating the tunnels, draining water, fire fighting, emergency escape and the like are achieved.

In the contact passageway work progress, the transportation of material is mainly gone on by small-size storage battery car drive flatbed, this kind of combination equipment that is applicable to the shield construction originally is when carrying out the purpose-built section of jurisdiction transportation of contact passageway, a bearing piece for bearing shield section of jurisdiction can't fix the bearing to the contact passageway section of jurisdiction, and the contact passageway section of jurisdiction need carry out the attitude adjustment outside the tunnel, this arrangement mode that just makes the section of jurisdiction in the transportation is different, current flatbed configuration can't carry out effectual fixing to it, the transportation easily topples, easy derail, it is slower to stabilize the transport speed, the rapid transit danger coefficient is great, contact passageway material conveying efficiency has greatly been reduced, speed and safety index can't obtain effectual assurance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a contact is section of jurisdiction travelling bogie for passageway to solve current section of jurisdiction transport vechicle and can't fix the section of jurisdiction and lead to in the transportation that the dolly easily topples, easily derails, stabilize the great problem of transportation danger coefficient slower, fast transportation.

In order to achieve the above object, the utility model provides a duct piece travelling bogie for contact passageway adopts following technical scheme:

the utility model provides a section of jurisdiction travelling bogie for contact passageway, includes the automobile body, is provided with the bearing structure who is used for supporting the section of jurisdiction on the automobile body, still installs at least a pair of fixing device on the automobile body, and two fixing device in a centering are used for setting up respectively in the left and right sides of section of jurisdiction, and fixing device includes telescopic machanism and fixes the fixed end plate at telescopic machanism tip, and two fixed end plates are used for pushing away under corresponding telescopic machanism's control action and compress tightly the terminal surface about the section of jurisdiction.

The beneficial effects of the above technical scheme are that: the utility model discloses still install an at least a pair of fixing device on contact for passageway section of jurisdiction travelling bogie's automobile body, two fixing device of a centering are used for setting up the left and right sides at the section of jurisdiction respectively, fixing device includes telescopic machanism and fixes the fixed end plate at the telescopic machanism tip, like this under telescopic machanism's control action, fixed end plate can concertina movement, thereby be close to or keep away from the terminal surface of section of jurisdiction, cooperation through left and right sides telescopic machanism, can make fixed end plate top push away the section of jurisdiction and control and remove, position about the adjustment, solve the section of jurisdiction skew problem that hoist and mount arouse, when both sides fixed end plate all compressed tightly the section of jurisdiction simultaneously, can fix the position of section of jurisdiction, guarantee that the section of jurisdiction is stable, avoid the section of jurisdiction to take place the drunkenness in the transportation, and then avoid the travelling bogie to take place to overturn, the condition of derailing, and can improve stable transport speed, reduce the danger coefficient of quick transportation.

Furthermore, the fixing device also comprises a rotating mechanism fixedly arranged on the vehicle body, and the rotating mechanism is connected with the telescopic mechanism so as to control the telescopic mechanism and the fixed end plate to rotate.

The beneficial effects of the above technical scheme are that: the fixing device further comprises a rotating mechanism, and the rotating mechanism is connected with the telescopic mechanism, so that the telescopic mechanism and the fixed end plate can be controlled to rotate, the fixed end plate is enabled to be in contact with the duct piece better, and the operation is more convenient.

Furthermore, the fixed end plate comprises an arc-shaped main arm in transmission connection with the telescopic mechanism, the arc-shaped main arm is used for rotating to the same degree with the radian of the duct piece under the control action of the rotating mechanism, and a first through hole for a first bolt to penetrate through so as to be fixedly connected with the duct piece is formed in the arc-shaped main arm.

The beneficial effects of the above technical scheme are that: the fixed end plate is arranged to comprise the arc-shaped main arm, so that the arc-shaped main arm can rotate to be consistent with the radian of the duct piece under the control action of the rotating mechanism, meanwhile, the first through hole for the first bolt to penetrate through so as to be fixedly connected with the duct piece is formed in the arc-shaped main arm, so that the fixed connection between the duct piece and the arc-shaped main arm can be realized through the first bolt, and the stable transportation of the duct piece is further ensured.

Further, fixed end plate still includes the arc support arm that links to each other with the arc main arm, is provided with on the arc support arm to supply the second bolt to pass in order to perforate with section of jurisdiction fixed connection's second, and the arc support arm is used for rotating under rotary mechanism's the control effect to keep unanimous with the radian of opening section of jurisdiction up, and the arc main arm is used for rotating under rotary mechanism's the control effect to keep unanimous with the radian of opening section of jurisdiction down.

The beneficial effects of the above technical scheme are that: the fixed end plate still includes the arc support arm that links to each other with the arc main arm, be provided with on the arc support arm and supply the second bolt to pass in order to perforate with section of jurisdiction fixed connection's second, consequently, the arc support arm can realize fixed connection through second bolt and section of jurisdiction, and the arc support arm is used for rotatory radian to keeping unanimous with opening section of jurisdiction up under rotary mechanism's control action, the arc main arm is used for rotatory radian to keeping unanimous with opening section of jurisdiction down under rotary mechanism's control action, regardless of the section of jurisdiction of opening up like this, still opening section of jurisdiction down, all can fix it, guarantee that the transportation of section of jurisdiction is stable, and the suitability is stronger.

Furthermore, the arc-shaped support arm and the arc-shaped main arm are arranged in a Y shape, and the arc-shaped support arm and the arc-shaped main arm are integrally connected or welded and fixed.

The beneficial effects of the above technical scheme are that: simple structure, convenient manufacturing and use.

Furthermore, the arc-shaped main arm and the arc-shaped support arm are respectively provided with a bearing edge for bearing the arc surface of the duct piece.

The beneficial effects of the above technical scheme are that: and the pipe piece is supported, so that the stress of the bolt is reduced.

Furthermore, the vehicle body is provided with a mounting groove for mounting the fixing device, and the fixed end plate has a working position which is rotated out of the mounting groove to be matched with the duct piece and a hidden position which is rotated into the mounting groove under the control action of the rotating mechanism; still articulated on the automobile body have the protection roof, and the protection roof is used for supplying fixed end plate to switch to the work position by the position of hiding when opening, and the protection roof still is used for closing with the closing cap when fixed end plate switches to the position of hiding by the work position the mounting groove.

The beneficial effects of the above technical scheme are that: the protection roof can supply fixed end plate to switch to the work position by the position of hiding when opening, makes things convenient for fixed end plate work, and the protection roof can also be closed with the closing cap when fixed end plate switches to the position of hiding by the work position the mounting groove avoids during debris gets into the mounting groove, plays better guard action to fixing device simultaneously.

Furthermore, the protection top plate has a supporting surface flush with the top surface of the vehicle body in a closed state, and the supporting surface and the top surface of the vehicle body are used for placing a muck bucket for conveying muck.

The beneficial effects of the above technical scheme are that: the contact passageway is with section of jurisdiction travelling bogie can also place the dregs fill in order to transport dregs, the operation of slagging tap for the contact passageway is with section of jurisdiction travelling bogie's more powerful.

Furthermore, two pairs of fixing devices corresponding to the single duct piece are arranged, the two pairs of fixing devices are arranged in a front-back mode, and the supporting structure is an arc-shaped groove located between the two pairs of fixing devices.

The beneficial effects of the above technical scheme are that: two pairs of fixing devices are arranged in the front and back, and the supporting structure is an arc-shaped groove located between the two pairs of fixing devices, so that the fixing effect on the duct piece is better.

Furthermore, the telescopic mechanism is a hydraulic cylinder or an air cylinder, or the telescopic mechanism is a mechanical locking mechanism, the mechanical locking mechanism comprises a sleeve with a sleeve bottom and a telescopic rod arranged in the sleeve, a fixed end plate is in transmission connection with the telescopic rod, an elastic part is arranged between the telescopic rod and the sleeve bottom, a bolt groove is arranged on the wall of the sleeve, the bolt groove comprises a first bolt groove section and a second bolt groove section which are respectively arranged in parallel to the axis of the sleeve, the first bolt groove section and the second bolt groove section are respectively provided with a first end close to the sleeve bottom and a second end far away from the sleeve bottom, the first ends of the first bolt groove section and the second bolt groove section are arranged in an aligned mode in the circumferential direction of the sleeve, the bolt groove further comprises a communicating section communicating the first ends of the first bolt groove section and the second bolt groove section, and the length of the first bolt groove section is larger than that of the second bolt groove section; the telescopic rod is fixed with a wrenching pin extending into the bolt groove, the wrenching pin is provided with a retracting station which is positioned at the second end of the second bolt groove section so as to enable the elastic piece to be in a compressed state and enable the telescopic rod to be in a retracting state, and the wrenching pin is also provided with an extending station which is positioned at the second end of the first bolt groove section so as to enable the elastic piece to be in a releasing state and enable the telescopic rod to be in an extending state.

The beneficial effects of the above technical scheme are that: the telescopic mechanism is either automatic or mechanical, and the mechanical locking mechanism comprises a sleeve, an expansion link, an elastic part, a bolt groove arranged on the sleeve and a pulling pin arranged on the expansion link, wherein the bolt groove is arranged to comprise a first bolt groove section and a second bolt groove, so that the pulling pin has two stations, when the pulling pin is positioned at the second end of the second bolt groove section, the elastic part is in a compression state, the expansion link is in a retraction state at the same time, when the pulling pin is positioned at the second end of the first bolt groove section, the elastic part is in a release state, the expansion link is in an extension state at the same time, the requirements of two working positions of a fixed end plate are met, the fixed end plate can be close to and compress a duct piece, so that the duct piece can be fixed, the telescopic mechanism can also be retracted to be far away from the duct piece or the duct piece is placed into a trolley, the mechanical locking mechanism is simple and convenient to use, and compared with a hydraulic cylinder or an air cylinder and the like, the manufacturing cost is lower.

Drawings

Fig. 1 is a schematic front view of a connection between a duct piece transportation cart for an interconnection passage and a battery car according to embodiment 1 of the present invention;

fig. 2 is a schematic front view of a segment transporting trolley for an interconnection passage according to embodiment 1 of the present invention (with a protective top plate in a closed state);

fig. 3 is a schematic top view of a segment transporting trolley for an interconnection passage according to embodiment 1 of the present invention;

fig. 4 is a schematic front view of the segment transporting trolley for communication passage according to embodiment 1 of the present invention (the protective top plate is in an open state, and the fixed end plate is in a hidden position);

fig. 5 is a schematic front view of the segment transporting trolley for communication passage according to embodiment 1 of the present invention (the protective top plate is in an open state, and the fixed end plate is in a working position);

fig. 6 is a schematic top view of the segment transport trolley for communication passage in use (with the telescoping mechanism in a retracted state) according to embodiment 1 of the present invention;

fig. 7 is a schematic top view of the segment transport cart for communication passage in use (the telescoping mechanism is in an extended state) according to embodiment 1 of the present invention;

fig. 8 is a schematic front view of a duct piece transportation cart for an interconnection passage in use according to embodiment 1 of the present invention (a duct piece with an upward opening is about to be placed on the cart);

fig. 9 is a schematic front view of a duct piece transportation trolley for an interconnection passage in use according to embodiment 1 of the present invention (a duct piece with an upward opening is just placed on the trolley);

fig. 10 is a schematic front view of a duct piece transportation cart for an interconnection passage in use according to embodiment 1 of the present invention (after a duct piece with an upward opening is connected to a fixed end plate);

fig. 11 is a schematic front view of a duct piece transportation cart for an interconnection passage in an operating state according to embodiment 1 of the present invention (after a duct piece with a downward opening is connected to a fixed end plate);

fig. 12 is a schematic front view of a duct piece transportation cart for an interconnection passage in use according to embodiment 1 of the present invention (after another duct piece with a downward opening is connected to a fixed end plate);

fig. 13 is a schematic front view of a segment transport trolley for an interconnection passage in an operating state according to embodiment 1 of the present invention (after another segment having an upward opening is connected to a fixed end plate);

fig. 14 is a schematic structural view of a fixed end plate of the segment transport trolley for the communication passage according to embodiment 1 of the present invention;

fig. 15 is a perspective view of a fixed end plate of the segment transport trolley for the communication passage according to embodiment 1 of the present invention;

fig. 16 is a perspective view of the fixing device of the segment transporting carriage for communication passage according to embodiment 1 of the present invention;

fig. 17 is a schematic view showing a use state of the fixing device of the segment transporting carriage for the communication passage according to embodiment 1 of the present invention;

fig. 18 is a schematic structural view of the fixing device of the segment transport trolley for the communication passage according to embodiment 1 of the present invention;

fig. 19 is a schematic structural view of a fixed end plate of the segment transport trolley for the communication passage according to embodiment 2 of the present invention;

fig. 20 is a schematic plan view of the duct piece transportation cart for the communication passage according to embodiment 3 of the present invention in a use state;

fig. 21 is a schematic structural view of the fixing device of the segment transporting trolley for the communication passage according to embodiment 4 of the present invention (the telescopic rod is in a retracted state);

fig. 22 is a schematic structural view of the fixing device of the segment transporting carriage for communication passage according to embodiment 4 of the present invention (the telescopic rod is in an extended state).

In the figure: 1. a machine head; 2. a battery compartment; 3. a vehicle body; 301. a residue soil hopper; 302. mounting grooves; 4. a protective top plate; 5. a fixing device; 501. a drive plate; 502. a piston rod; 503. a cylinder body; 504. a rotation mechanism; 6. an arc-shaped groove; 7. fixing the end plate; 701. an arc-shaped main arm; 702. an arc-shaped support arm; 703. a first through hole; 704. a second perforation; 705. a rubber plate; 706. a first arcuate arm; 707. a second arcuate arm; 708. a main arm supporting edge; 709. the support arm supports the edge; 7010. a rotation stopping connection hole; 8. a duct piece; 9. a mechanical locking mechanism; 901. pulling and tightening the pin; 902. a key slot; 903. a spring; 904. a telescopic rod; 905. a sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, which may be present, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component 8230; \8230;" etc. does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model discloses embodiment 1 of pipe piece travelling bogie (hereinafter referred to as pipe piece travelling bogie) for well contact passageway:

as shown in figure 1, the duct piece transportation trolley is connected to the rear of an electric storage car when in use, the electric storage car comprises a head 1 and a battery compartment 2 connected to the rear of the head 1, the head 1 and the battery compartment 2 provide power sources for the electric storage car, and the electric storage car supplies power for equipment through the battery compartment 2 and performs maneuvering operations such as forward movement and backward movement.

As shown in fig. 2 and 3, the duct piece transportation cart includes a cart body 3, and a support structure for supporting the duct piece is disposed on the cart body 3, and the support structure in this embodiment is an arc-shaped groove 6. At least one pair of fixing devices 5, two pairs in this embodiment, are further installed on the vehicle body 3, as shown in fig. 6 and 7, the two pairs of fixing devices 5 correspond to one duct piece 8 (i.e., a communication channel duct piece), the two pairs of fixing devices 5 are arranged in a front-back manner, the arc-shaped groove 6 is located between the two pairs of fixing devices 5, and the two fixing devices 5 in one pair are respectively arranged on the left side and the right side of the duct piece 8.

As shown in fig. 16, 17 and 18, each fixing device 5 includes a rotating mechanism 504, a telescoping mechanism and a fixing end plate 7, and the rotating mechanism 504 is fixedly mounted on the vehicle body 3, and may be specifically an electric motor, a hydraulic motor or a pneumatic motor. The telescopic mechanism is a hydraulic cylinder or an air cylinder and comprises a cylinder body 503 and a piston rod 502 arranged in the cylinder body 503, the cylinder body 503 is fixedly connected with the rotating mechanism 504, the piston rod 502 is in transmission connection with the fixed end plate 7 through a transmission plate 501 with teeth, therefore, the rotating mechanism 504 can drive the telescopic mechanism and the fixed end plate 7 to rotate, and the telescopic mechanism can drive the fixed end plate 7 to extend or retract. When the fixed end plate 7 is retracted, the duct piece 8 can be conveniently placed on or lifted off the trolley, as shown in fig. 6; when fixed end plate 7 stretches out, can be close to and push up section of jurisdiction 8 and remove, through the cooperation of left and right sides telescopic machanism, can adjust the position about section of jurisdiction 8 to when fixed end plate 7 in both sides all compresses tightly section of jurisdiction 8, can fix the position of section of jurisdiction 8.

As shown in fig. 8 to 16, the fixed end plate 7 includes an arc-shaped main arm 701 in transmission connection with the telescoping mechanism, the arc-shaped main arm 701 is provided with a rotation stopping connection hole 7010, the arc-shaped main arm 701 is configured to rotate under the control of the rotating mechanism 504 to a position consistent with the radian of the duct piece 8 with the downward opening, as shown in fig. 11 and 12, the lengths of the duct pieces 8 in the two drawings are different, and the rotation angles of the corresponding arc-shaped main arms 701 are also different. As shown in fig. 14, 15 and 16, the arc-shaped main arm 701 is provided with a first through hole 703 through which a first bolt (not shown) passes to be fixedly connected with the segment 8, and two of the first through holes 703 are provided, and are both oblong holes, so that the first bolt can be conveniently installed. The fixed end plate 7 further includes an arc-shaped support arm 702 connected to the arc-shaped main arm 701, the arc-shaped support arm 702 and the arc-shaped main arm 701 are arranged in a Y shape, and the arc-shaped support arm 702 and the arc-shaped main arm 701 are integrally connected or welded and fixed. The arc-shaped support arms 702 are controlled by the rotating mechanism 504 to rotate to the same degree as the radian of the upward-opening segment 8, as shown in fig. 10 and 13, the lengths of the segments 8 in the two figures are different, and the rotation angles of the corresponding arc-shaped support arms 702 are also different. Wherein the tube sheet of fig. 10 and 12 can be assembled with the tube sheet of fig. 11 and 13 into a complete circular ring.

The arc-shaped support arm 702 is provided with a second through hole 704 through which a second bolt (not shown) can pass to be fixedly connected with the duct piece 8, and the second through hole 704 is also an oblong hole, so that the second bolt can be conveniently installed. In addition, as shown in fig. 14, the fixing end plate 7 further includes a rubber plate 705 fixedly provided on the surfaces of the arc-shaped main arms 701 and the arc-shaped arms 702 facing the segment 8 to increase the frictional force at the contact portion with the segment 8 and to preliminarily fix the segment 8 by the frictional force in the pressing work process. Moreover, the arc main arm 701 and the arc support arm 702 are respectively provided with a bearing edge for bearing the arc surface of the duct piece, as shown in fig. 15 and 16, the arc main arm 701 is provided with a main arm bearing edge 708, the arc support arm 702 is provided with a support arm bearing edge 709, and the arc surface of the duct piece is supported by the bearing edge, so that the stress of the bolt can be reduced, the service life of the bolt can be prolonged, and the fixing effect of the duct piece can be improved.

As shown in fig. 2, 4 and 5, the car body 3 is provided with an installation groove 302 for installing the fixing device 5, and the fixing end plate 7 has a working position (shown in fig. 5) that is rotated out of the installation groove 302 to be matched with the segment 8 and a hidden position (shown in fig. 4) that is rotated into the installation groove 302 under the control of the rotating mechanism 504. Meanwhile, a protection top plate 4 is hinged to the vehicle body 3, the protection top plate 4 is used for supplying the fixed end plate 7 to be switched to the working position from the hidden position when the vehicle body is opened, and the protection top plate 4 is also used for closing the sealing cover mounting groove 302 (shown in fig. 2) when the fixed end plate 7 is switched to the hidden position from the working position, so that sundries are prevented from entering the mounting groove, and a good protection effect is achieved on the fixing device. And, protection roof 4 has the holding surface that flushes with the automobile body top surface when the closed condition, and holding surface and automobile body top surface are used for placing dregs fill 301, and dregs fill 301 can transport dregs, realizes the operation of slagging tap for segment travelling bogie's function is more powerful.

The working principle of the pipe sheet transport trolley in the embodiment is as follows:

first, as shown in fig. 4 and 6, the four fixing devices 5 on the cart are all in a retracted state, and the protection top plate 4 is in an open state. For example, as shown in fig. 8 and 9, the duct piece 8 required for tunneling is reasonably lifted and placed in the arc-shaped groove in the middle of the vehicle body according to a required posture. Confirm that section of jurisdiction 8 has laid the back in place, control fixed end plate 7 through rotary mechanism 504 and rotate to the work position, then slowly ejecting fixed end plate 7 through telescopic machanism, until with section of jurisdiction 8 about the terminal surface contact, as shown in fig. 7, promote section of jurisdiction 8 through the jacking and control the adjustment, solve the section of jurisdiction skew problem that arouses because of hoist and mount. After the adjustment is completed, the fixed end plate 7 stops jacking after propping the left side and the right side of the duct piece 8 through a certain jacking force, and the duct piece 8 is ensured not to generate lateral movement.

Then, the fixed end plate 7 is rotated by the rotating mechanism 504, and the fixed end plate 7 is rotated to be consistent with the radian of the segment 8, so that the through holes in the fixed end plate 7 correspond to the segment bolt holes as far as possible. When the transported segment is open downward, as shown in fig. 11 and 12, the fixed end plate 7 is rotated until the arc-shaped main arms 701 fit the arc of the segment; when the opening of the duct piece is upward, as shown in fig. 10 and 13, the fixed end plate 7 rotates until the arc-shaped support arm 702 is matched with the radian of the duct piece, and the rubber surface of the fixed end plate is attached to the duct piece. Then will fix end plate 7 further ejecting, closely paste with section of jurisdiction 8 and exert certain jacking force, section of jurisdiction 8 is fixed on automobile body 3 promptly, then correspond the back with the first perforation 703 on the arc main arm 701 or the second perforation 704 on the arc support arm 702 with the section of jurisdiction bolt hole, use the bolt to be connected with the section of jurisdiction, tighten the bolt, fix section of jurisdiction 8 on fixed end plate 7, storage battery car can carry out high-speed transport along the thread tunnel. After the section of jurisdiction transportation is accomplished, remove the connection between fixed end plate 7 and the section of jurisdiction 8, the section of jurisdiction is taken away to the fixed end plate 7 of withdrawal, and rotatory fixed end plate 7 is closed protection roof 4 after accomplishing in to mounting groove 302, can utilize the dregs fill 301 to slag the operation seamlessly, and switching speed is fast, more is adapted to the construction tunnelling operation of mechanical method contact passageway.

The utility model discloses a section of jurisdiction travelling bogie is under the prerequisite that the fixed end plate compressed tightly the section of jurisdiction, has increased bolted connection, establish rigid connection with the section of jurisdiction and automobile body, can fix the position of section of jurisdiction, guarantee that the section of jurisdiction is stable, avoid the section of jurisdiction to take place the drunkenness in the transportation, can avoid the travelling bogie to take place to topple over simultaneously, the condition of derailing, can improve stable transport speed, improve the efficiency of construction, reduce the danger coefficient of quick transportation, ensure section of jurisdiction transportation safety, whole dolly low cost, simple manufacture, convenient and practical.

The utility model discloses well embodiment 2 of segment transfer cart for contact passageway:

as shown in fig. 19, the difference from embodiment 1 is the structure of the fixed end plate, the fixed end plate in this embodiment includes a first arc-shaped arm 706 and a second arc-shaped arm 707, the second arc-shaped arm 707 is in transmission connection with the transmission plate 501 of the fixing device, the two arc-shaped arms are arranged in an X shape, the middle part of the two arc-shaped arms is fixedly connected with a nut through a bolt, when the nut is loosened, the included angle between the two arc-shaped arms can be adjusted, and after the nut is adjusted, the nut is tightened, so that the transportation requirements of duct pieces with various radians and sizes can be met.

The utility model discloses well embodiment 3 of section of jurisdiction travelling bogie for contact passageway:

as shown in fig. 20, the difference from embodiment 1 is the width of the car body 3 and the number of the fixing devices 5, and the car body 3 in this embodiment is wider and can carry two segments 8, and one segment 8 corresponds to two pairs of fixing devices 5, so that the fixing devices 5 have four pairs.

The utility model discloses well embodiment 4 of section of jurisdiction travelling bogie for contact passageway:

as shown in fig. 21 and fig. 22, the difference from embodiment 1 is the structure of the telescopic mechanism, the telescopic mechanism in this embodiment is a mechanical locking mechanism 9, the mechanical locking mechanism 9 includes a sleeve 905 having a cylinder bottom and a telescopic rod 904 disposed in the sleeve 905, the driving plate 501 is fixed at the end of the telescopic rod 904, and the fixed end plate 7 is also in driving connection with the driving plate 501. An elastic element is arranged between the telescopic rod 904 and the cylinder bottom, the elastic element in this embodiment is a spring 903, a bolt slot 902 is arranged on the cylinder wall of the sleeve 905, the bolt slot 902 includes a first bolt slot section and a second bolt slot section which are respectively arranged parallel to the axis of the sleeve 905, the first bolt slot section and the second bolt slot section both have a first end (the right end in fig. 21 and 22) close to the cylinder bottom and a second end (the left end in fig. 21 and 22) far away from the cylinder bottom, and the first ends of the first bolt slot section and the second bolt slot section are arranged in an alignment manner in the circumferential direction of the sleeve 905. The keyway 902 further comprises a communication section that communicates the first ends of the first and second keyway sections, the first keyway section being longer than the second keyway section. A cocking pin 901 is secured to the extension pole 904 and extends into the keyway 902. The cocking pin 901 has a retracted position (shown in fig. 21) at the second end of the second keyway segment that allows the spring 903 to be compressed while allowing the extension pole 904 to be retracted, and the cocking pin 901 has an extended position (shown in fig. 22) at the second end of the first keyway segment that allows the spring 903 to be released while allowing the extension pole 904 to be extended. So, satisfied two operating position's of fixed end plate 7 needs for fixed end plate 7 can be close to and compress tightly the section of jurisdiction, in order to realize the fixed to the section of jurisdiction, also can retract in order to keep away from the section of jurisdiction or supply the section of jurisdiction to put into the dolly, and convenience simple to use compares pneumatic cylinder or cylinder etc. and the cost is lower.

In other embodiments of the segment transfer cart for the communication duct: when the telescopic mechanism is a mechanical locking mechanism, the elastic piece can also be an elastic piece or a rubber sleeve.

In other embodiments of the segment transfer cart for the communication duct: the telescoping mechanism may also be an electric push rod.

In other embodiments of the segment transfer cart for the communication duct: only one pair of fixtures is provided for a single segment.

In other embodiments of the duct piece transfer cart for the communication duct: the dregs bucket is not arranged, and the duct piece transport trolley for the communication channel is only used for transporting duct pieces.

In other embodiments of the segment transfer cart for the communication duct: the vehicle body is not provided with a mounting groove, or even if the vehicle body is provided with the mounting groove, the protective top plate is not mounted, and the fixing device is mounted in an exposed mode.

In other embodiments of the segment transfer cart for the communication duct: the arc-shaped main arm and the arc-shaped support arm can be not provided with bearing edges.

In other embodiments of the segment transfer cart for the communication duct: the fixed end plate only comprises an arc-shaped main arm and does not comprise an arc-shaped support arm, and at the moment, the fixed end plate can only be fixedly connected with the duct piece with the downward opening, or different bending radians of the arc-shaped main arm can be designed, so that the arc-shaped main arm can only be fixedly connected with the duct piece with the upward opening.

In other embodiments of the segment transfer cart for the communication duct: the fixed end plate is not the structure of arc arm, but rectangular plate or circular plate is provided with the perforation that supplies the bolt to pass on rectangular plate or the circular plate, and through rotatory rectangular plate or circular plate this moment, it can to make perforation and section of jurisdiction bolt hole correspond.

In other embodiments of the duct piece transfer cart for the communication duct: fixing device does not include rotary mechanism, and fixed end plate can not rotate this moment, can only stretch out and draw back and remove under telescopic machanism's control action, directly leans on certain roof pressure top fastening to fix the section of jurisdiction, fixes the position of section of jurisdiction, guarantees that the section of jurisdiction is stable.

In other embodiments of the segment transfer cart for the communication duct: the support structure on the vehicle body is not an arc-shaped groove, but a flat support surface.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, the scope of the present invention is defined by the appended claims, and all the structural changes equivalent to the content of the description and the attached drawings should be included in the same way.

Claims (10)

1. The utility model provides a section of jurisdiction travelling bogie for contact passageway, includes automobile body (3), is provided with the bearing structure who is used for supporting section of jurisdiction (8) on automobile body (3), its characterized in that: still install on automobile body (3) at least a pair of fixing device (5), two fixing device (5) in a pair are used for setting up respectively in the left and right sides of section of jurisdiction (8), and fixing device (5) include telescopic machanism and fix fixed end plate (7) at the telescopic machanism tip, and two fixed end plate (7) are used for pushing away and compress tightly the terminal surface about section of jurisdiction (8) under corresponding telescopic machanism's control action.

2. The segment transport trolley for the communication passage as claimed in claim 1, wherein: the fixing device (5) further comprises a rotating mechanism (504) fixedly mounted on the vehicle body (3), and the rotating mechanism (504) is connected with the telescopic mechanism so as to control the telescopic mechanism and the fixed end plate (7) to rotate.

3. The segment transport trolley for the communication passage as claimed in claim 2, wherein: the fixed end plate (7) comprises an arc main arm (701) in transmission connection with the telescopic mechanism, the arc main arm (701) is used for rotating to keep the same with the radian of the duct piece (8) under the control action of the rotating mechanism (504), and a first through hole (703) for a first bolt to penetrate through to be fixedly connected with the duct piece (8) is formed in the arc main arm (701).

4. The segment transport trolley for communication passage as claimed in claim 3, wherein: fixed end plate (7) still include arc support arm (702) that link to each other with arc main arm (701), be provided with on arc support arm (702) and supply the second bolt to pass in order to perforate (704) with section of jurisdiction (8) fixed connection's second, arc support arm (702) are used for rotatory to keeping unanimous with the radian of opening up section of jurisdiction (8) under the control effect of rotary mechanism (504), arc main arm (701) are used for rotatory to keeping unanimous with the radian of opening down section of jurisdiction (8) under the control effect of rotary mechanism (504).

5. The segment transport trolley for the communication passage as claimed in claim 4, wherein: the arc-shaped support arm (702) and the arc-shaped main arm (701) are arranged in a Y shape, and the arc-shaped support arm (702) and the arc-shaped main arm (701) are integrally connected or welded and fixed.

6. The segment transport trolley for the communication passage as claimed in claim 4, wherein: and the arc-shaped main arm (701) and the arc-shaped support arm (702) are respectively provided with a bearing edge for bearing the arc surface of the duct piece.

7. The segment transport trolley for a communication passage according to any one of claims 2 to 6, wherein: the trolley body (3) is provided with a mounting groove (302) for mounting the fixing device (5), and the fixed end plate (7) has a working position which is rotated out of the mounting groove (302) to be matched with the duct piece (8) and a hidden position which is rotated into the mounting groove (302) under the control action of the rotating mechanism (504); still articulated on automobile body (3) have protection roof (4), protection roof (4) are used for supplying fixed end plate (7) to switch to the work position by hiding the position when opening, and protection roof (4) still are used for closing with the closing cover when fixed end plate (7) switch to the hiding the position by the work position mounting groove (302).

8. The segment transport trolley for communication passage as claimed in claim 7, wherein: the protective top plate (4) is provided with a supporting surface which is flush with the top surface of the vehicle body (3) in a closed state, and the supporting surface and the top surface of the vehicle body (3) are used for placing a muck bucket (301) for conveying muck.

9. The segment transport cart for the communication passage according to any one of claims 1 to 6, wherein: the fixing devices (5) corresponding to the single pipe piece (8) are provided with two pairs, the two pairs of fixing devices (5) are arranged in a front-back mode, and the supporting structure is an arc-shaped groove (6) located between the two pairs of fixing devices (5).

10. The segment transport trolley for the communication passage according to any one of claims 1 to 6, wherein: the telescopic mechanism is a hydraulic cylinder or an air cylinder, or the telescopic mechanism is a mechanical locking mechanism (9), the mechanical locking mechanism (9) comprises a sleeve (905) with a sleeve bottom and a telescopic rod (904) arranged in the sleeve (905), a fixed end plate (7) is in transmission connection with the telescopic rod (904), an elastic part is arranged between the telescopic rod (904) and the sleeve bottom, a bolt groove (902) is arranged on the wall of the sleeve (905), the bolt groove (902) comprises a first bolt groove (902) section and a second bolt groove (902) section which are respectively arranged in parallel to the axis of the sleeve (905), the first bolt groove (902) section and the second bolt groove (902) section are respectively provided with a first end close to the sleeve bottom and a second end far away from the sleeve bottom, the first ends of the first bolt groove (902) section and the second bolt groove (902) section are arranged in an aligned mode in the circumferential direction of the sleeve (905), the bolt groove (902) further comprises a first end communicated with the second bolt groove (902) section, and the length of the first bolt groove (902) section is greater than that of the second bolt groove (902); the telescopic rod (904) is fixed with a pulling pin (901) extending into the bolt groove (902), the pulling pin (901) is provided with a retraction station which is positioned at the second end of the section of the second bolt groove (902) so as to enable the elastic piece to be in a compression state and enable the telescopic rod (904) to be in a retraction state, and the pulling pin (901) is also provided with an extension station which is positioned at the second end of the section of the first bolt groove (902) so as to enable the elastic piece to be in a release state and enable the telescopic rod (904) to be in an extension state.

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