CN210948692U - Rail type trolley - Google Patents

Abstract

The utility model discloses a track-type trolley, which comprises an installation frame. At least one lifting frame is arranged on the left and right sides of the installation frame to slide along the vertical direction. Lifting device, the top of the lifting frame slides along the horizontal direction towards the tunnel wall with a supporting platform, and the top of the lifting frame is also provided with a stretching device that drives the sliding of the supporting platform; the bottom of the mounting frame is symmetrically arranged on both sides along the A rail moving device for rail sliding, one side of the rail moving device is also provided with an emergency stop device for clamping the rail; the utility model has the advantages of being able to adapt to areas with different heights and different widths in the tunnel for convenient construction, and at the same time in the event of instability It has the beneficial effect of automatically locking and stopping at any time, and effectively ensuring the safety of staff and equipment.

Description

a track trolley

technical field

The utility model belongs to the technical field of tunnel construction devices, in particular to a rail-type trolley.

Background technique

The tunnel is an essential facility for trains to pass through the mountains. The tunnel includes the sides on both sides and the arch at the top. During the construction of the tunnel, it is necessary to carry out construction operations such as lining and waterproofing on the side and arch of the tunnel. A trolley is set up, and the construction personnel carry out construction on the side and arch of the tunnel by standing on the construction platform of the trolley. However, different tunnels have different heights and widths. At the same time, workers also need to perform construction in different height areas and different width areas in the tunnel. The height and width of the construction platform of the traditional trolley are fixed, which obviously cannot meet the requirements of different heights and different widths. Convenience construction requirements in the area. At the same time, the traditional trolley is fixed by its own supporting feet. Once the supporting feet fail, the trolley may move on its own, thereby causing damage to the equipment and staff on the trolley. Aiming at the defects that the traditional trolley cannot adapt to different heights and different widths for convenient construction and cannot stop in time when the support legs fail, the utility model discloses a track-type trolley.

Utility model content

The purpose of the utility model is to provide a rail-type trolley, which can easily adjust the height and extension width of the working platform to adapt to different heights and different width areas in the tunnel, and realize the convenient construction of workers in different heights and different width areas. At the same time, when the supporting feet of the trolley itself fail, it can stop in time, effectively ensuring the safety of staff and equipment.

The utility model is realized through the following technical solutions:

A rail-type trolley includes an installation frame, at least one lifting frame is slidably arranged on the left and right sides of the installation frame in a vertical direction, and a lifting device is arranged on the top of the lifting frame to drive the lifting frame to rise and fall. The top of the lifting frame is slidably provided with a support platform along the horizontal direction towards the tunnel wall, and the top of the lifting frame is also provided with a stretching device that drives the sliding of the support platform; the bottom of the mounting frame is symmetrically arranged on both sides to move along the rails. The rail moving device is also provided with an emergency stop device for clamping the rail on one side.

working principle:

The left and right sides of the installation frame are respectively provided with at least one lifting frame independently sliding along the setting direction, and the number and installation height of the lifting frame are determined according to the actual tunnel height. The lifting frame is usually located at the lower part of one side of the installation frame. The lifting frame is provided with a supporting platform that slides and installs along the horizontal direction toward the tunnel wall. The supporting platform provides a standing plane for the staff, and the staff can stand on the supporting platform. Carry out construction work in the tunnel. Corresponding to different construction positions in the tunnel, the lifting frame and the support platform are driven vertically by the lifting device, and then the height of the support platform is adjusted, so that the staff standing on the support platform can adapt to different heights inside the tunnel for convenient operations. . At the same time, according to the different width areas of the tunnel, the support platform is driven by the stretching device to slide on the lifting frame in the horizontal direction towards the tunnel wall, that is, the support platform on the left slides horizontally to the left to approach the tunnel wall, and the support platform on the left side slides to the left side in the horizontal direction to approach the tunnel wall. The support platform on the right slides horizontally to the right to approach the tunnel wall, so that the workers standing on the support platform can adapt to the width of the tunnel for construction work. Driven by the lifting device and the stretching device, the support platform can be adjusted in the vertical and horizontal directions, so that the staff standing on the support platform can easily access the construction areas of different heights and widths in the tunnel, greatly improving the efficiency of the tunnel. construction efficiency. At the same time, the track moving device provided at the bottom of the mounting frame can drive the entire mounting frame and other components on it to move conveniently along the track. At the same time, an emergency stop device is arranged at the bottom of the mounting frame corresponding to the track. When the mounting frame moves along the track, the emergency stop device immediately clamps the track, thereby realizing the safety of the mounting frame and other components on the mounting frame. Fixed to prevent workers from falling from the support platform.

In order to better realize the utility model, further, the emergency stop device includes a friction plate, a friction head, a connecting seat, and a hydraulic sleeve, the friction plates are arranged parallel to both sides of the track, and the friction plates are arranged parallel to The friction groove of the track; the connecting seat is installed at the bottom of the mounting frame corresponding to the track, and the two sides of the connecting seat are respectively provided with hydraulic sleeves corresponding to the friction grooves on both sides, and the hydraulic sleeves extend into the interior of the friction groove; the The interior of the hydraulic sleeve is provided with a hydraulic cavity, the upper and lower sides of the hydraulic sleeve are respectively provided with a piston cavity communicating with the hydraulic cavity corresponding to the upper and lower side walls of the friction groove, and a friction head is slidably arranged in the piston cavity.

Usually, the friction head located inside the piston cavity is in a retracted state, and the friction end of the friction head does not contact the upper and lower side walls of the friction plate. At this time, the mounting frame can move along the track. When the mounting frame slides to the construction area, the entire mounting frame is generally fixed by the legs on both sides of the bottom of the mounting frame, but when the legs fail or fail, the mounting frame may continue to move along the track, causing the damage to the rest of the components or cause workers to fall from the support platform and be injured. At this time, the mounting frame needs to be stopped urgently. The external hydraulic station injects hydraulic oil into the hydraulic cavity inside the hydraulic sleeve through the hydraulic pipeline, and the pressure of the hydraulic oil drives the friction head along the piston cavity toward the upper side wall or the upper side wall near the friction groove. The lower side wall protrudes until the friction end of the friction head is in contact with the upper or lower side wall of the friction groove. At this time, the friction end of the friction head and the upper or lower side wall of the friction groove rub against each other to stop the mounting frame. .

In order to better realize the utility model, further, one end of the friction head close to the side wall of the friction groove is provided with a friction plate.

In order to better realize the present utility model, further, the stretching device includes a main stretching oil cylinder, an stretching sliding rail, and an stretching sliding block, and the main stretching oil cylinder is arranged on the top of the lifting frame along the horizontal direction toward the tunnel wall. Two sides of the main extension cylinder are provided with extension slide rails in parallel and symmetrically, and a support platform is slidably installed on the extension slide rail through the extension slide block.

In order to better realize the utility model, it further includes an auxiliary stretching oil cylinder, the auxiliary stretching oil cylinder is arranged at the bottom of the lifting frame, and the fixed end of the auxiliary stretching oil cylinder is hinged with the side surface of the mounting frame, and the telescopic end of the auxiliary stretching oil cylinder is hinged. Hinged to the other end of the bottom of the support platform.

In order to better realize the present utility model, further, the lifting device includes a hoist, a lifting sliding rail, and a lifting sliding block, the lifting sliding rail is arranged on both sides of the mounting frame in the vertical direction, and the lifting sliding block slides It is arranged on the lifting slide rail, and the side of the lifting slider away from the installation frame is connected to the side of the lifting frame; the hoist is arranged on the top of the installation frame, and the hoisting end of the hoisting rope of the hoist is connected to the side of the lifting frame. top connection.

In order to better realize the utility model, further, one side of the lift rail is provided with a guide column in parallel, and the lift frame is provided with a guide sleeve slidably connected with the guide column.

In order to better realize the utility model, further, a locking plate is arranged parallel to the other side of the lifting slide rail, a plurality of locking holes are linearly arranged on the locking plate, and a side of the lifting frame close to the locking plate is provided. A locking lug is provided, and the locking lug is provided with a sub-locking hole corresponding to the locking hole on the locking plate.

In order to better realize the present invention, further, the top of the mounting frame is provided with a top platform.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

(1) In the present utility model, lifting devices are arranged along the vertical direction on the left and right sides of the mounting frame, and the lifting device drives the lifting frame and the supporting platform on the top of the lifting frame to lift in the vertical direction, thereby making it stand on the supporting platform. The staff can carry out convenient construction in areas of different heights in the tunnel;

(2) In the present invention, the supporting platform is set on the lifting frame by sliding in the horizontal direction toward the tunnel wall, and the stretching device drives the supporting platform to slide toward the direction close to the tunnel wall, so that the working people standing on the supporting platform can Convenient construction in areas of different widths in the tunnel;

(3) In the present utility model, an emergency stop device is arranged at the bottom of the mounting frame corresponding to the track. When the original fixing outrigger on the mounting frame fails, hydraulic oil is filled into the hydraulic seat in the emergency stop device, thereby making friction. The head protrudes along the piston cavity of the hydraulic seat and contacts and rubs with the upper side or lower side of the friction groove on the friction plate, so as to stop and fix the mounting frame.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the structural schematic diagram of the rail moving device and the emergency stop device;

Fig. 3 is the partial enlarged schematic diagram of the emergency stop device;

Fig. 4 is the structural representation of the stretching device;

5 is a schematic structural diagram of a lifting device;

6 is a schematic diagram of the connection between the guide column and the lifting frame;

FIG. 7 is a schematic diagram of the connection between the locking plate and the lifting frame.

Among them: 1-mounting frame; 2-lifting frame; 3-supporting platform; 4-stretching device; 5-track moving device; 6-emergency stop device; 7-lifting device; 8-top platform; 41-main extension cylinder; 42-auxiliary extension cylinder; 43- extension slide rail; 44- extension slider; 51-roller; 52-axle; 53-drive reduction unit; 54-support seat; 61-friction plate; 62-friction head; 63-connection Seat; 64-hydraulic seat; 71-hoist; 72-lifting slide rail; 73-lifting slider; 74-guide column; 75-guide seat; 76-locking plate; 77-locking lug; 01-friction groove; 02 - Hydraulic cavity; 03 - Piston cavity.

Detailed ways

Example 1:

A rail-type trolley in this embodiment, as shown in FIG. 1 , includes a mounting frame 1 , and at least one lifting frame 2 is slidably disposed on the left and right sides of the mounting frame 1 along the vertical direction. The lifting frame 2 The top of the lift frame 2 is provided with a lifting device 7 that drives the lift frame 2 to rise and fall, the top of the lift frame 2 slides along the horizontal direction toward the tunnel wall and is provided with a support platform 3, and the top of the lift frame 2 is also provided with a support platform 3 to slide. The stretching device 4; the two sides of the bottom of the mounting frame 1 are symmetrically provided with a track moving device 5 that slides along the track, and one side of the track moving device 5 is also provided with an emergency stop device 6 for clamping the track; the installation The top of the rack 1 is provided with a top platform 8 .

The top of the installation frame 1 is provided with a top platform 8 corresponding to the corresponding top construction area, and the left and right sides of the installation frame 1 are respectively provided with a lifting frame 2 corresponding to the left and right side walls of the tunnel in a vertical direction. The direction sliding is provided with a support platform 3 for the staff to stand on. In order to enable the staff to work in areas with different heights in the tunnel, the lifting device 7 drives the lifting frame 2 and the supporting platform 3 to move in the vertical direction, and then adjusts the heights of the lifting frame 2 and the supporting platform 3 so that the staff Able to work in different height areas in the tunnel.

In order to enable the staff to work in areas with different widths on the left and right sides of the tunnel, the support platform 3 is driven by the stretching device 4 to move towards the tunnel wall along the horizontal direction at the top of the lifting frame 2, and the support located on the left side of the installation frame 1 The platform 3 corresponds to the tunnel wall on the left, and the stretching device 4 on the left drives the supporting platform 3 on the left to move toward the tunnel wall on the left. Similarly, the stretching device 4 on the right drives the supporting platform 3 on the right toward the tunnel on the right. The wall moves, so that the staff standing on the support platform 3 can work in areas with different widths on the left and right sides of the tunnel.

Through the cooperation of the lifting device 7 and the stretching device 4, the height or width of the area where the support platform 3 is located can be adjusted, so that the staff standing on the support platform 3 can adapt to different areas in the tunnel to work.

At the same time, the two sides of the bottom of the mounting frame 1 are respectively provided with track moving devices 5 corresponding to two rails. The track moving devices 5 are used to drive the mounting frame 1 to move along the tracks, and at the same time, two sides of the bottom of the mounting frame 1 correspond to two rails. The track is also provided with an emergency stop device 6. When the original outrigger of the mounting frame 1 fails to effectively fix the mounting frame 1, the rail is clamped by the emergency stop device 6, thereby realizing the quick stop and fixing of the mounting frame 1, effectively ensuring the installation. Equipment and personnel safety on rack 1.

Further, in order to facilitate the staff to board the support platform 3, an escalator for the staff to climb is provided on one side of the support platform 3, and at the same time, a fence is provided along the edge of the support platform 3 to prevent the staff from climbing from the support platform 3. fall.

Example 2:

This embodiment is further optimized on the basis of Embodiment 1. As shown in FIG. 1 to FIG. 3 , the emergency stop device 6 includes a friction plate 61 , a friction head 62 , a connecting seat 63 , and a hydraulic sleeve 64 . 61 is arranged in parallel on both sides of the track, and the friction plate 61 is provided with a friction groove 01 parallel to the track; the connecting seat 63 is installed on the bottom of the mounting frame 1 corresponding to the track, and the two sides of the connecting seat 63 correspond to two The friction groove 01 on the side is provided with a hydraulic sleeve 64, and the hydraulic sleeve 64 extends into the interior of the friction groove 01; the hydraulic sleeve 64 is provided with a hydraulic cavity 02 inside, and the upper and lower sides of the hydraulic sleeve 64 correspond to friction The upper and lower side walls of the groove 01 are provided with a piston cavity 03 communicating with the hydraulic cavity 02 , and a friction head 62 is slidably arranged in the piston cavity 03 .

The emergency stop device 6 is installed on one side of the rail moving device 5 corresponding to the rail. Under normal circumstances, the friction head 62 slidably arranged in the piston cavity of the hydraulic sleeve 64 is in a retracted state. At this time, the friction end of the friction head 62 is connected to the friction plate. There is no contact between the upper and lower side walls of the friction groove 01 on 61, and the mounting frame 1 can move along the track at this time. When the mounting frame 1 needs to be fixed and the outrigger originally used for fixing fails, the hydraulic oil is filled into the hydraulic cavity 02 of the hydraulic sleeve 64 through the hydraulic pipeline through the external hydraulic station arranged on the mounting frame 1. After entering the piston cavity 03, it drives the friction head 62 to extend along the piston cavity 03 until the friction end of the friction head 62 contacts the upper or lower side walls of the friction groove 01 and rubs against each other. The force stops the mount. By arranging the friction plate 61 to rub against the friction head 62 instead of directly rubbing the friction head 62 with the track, the use time of the track is effectively prolonged. The top end of the connecting seat 63 is fixedly mounted on the bottom of the mounting frame 1 by bolts, and the bottom end of the connecting seat 63 is connected with the hydraulic sleeve 64 through the connecting flange.

Further, in order to avoid the loss of the friction head 62 caused by the direct friction between the friction plate 61 and the friction head 62, the friction end of the friction head 62 is covered with a friction sheet, and the friction sheet and the upper side wall or the lower side wall of the friction groove 01 pass through the friction sheet. The high friction makes the mounting frame 1 stop urgently. When the friction plate is worn, only the friction plate needs to be replaced, which effectively reduces the operating cost.

As shown in FIG. 2 , the rail moving device 5 includes a roller 51, an axle 52, a drive reduction unit 53, and a support seat 54. The support seat 54 is mounted on the bottom of the mounting frame 1 through bolts corresponding to the rail, and the support seat 54 passes through a bearing. A wheel shaft 52 is rotatably installed, a roller 51 is sleeved on the wheel shaft 52, and the rim of the roller 51 is in rolling contact with the top surface of the track. At the same time, the bottom of the support base 54 is also installed with a driving reduction unit 53 through bolts, and the driving end of the driving reduction unit 53 is connected with the axle 52 in a transmission manner. The wheel shaft 52 is driven to rotate by driving the reduction unit 53, and then the roller 51 is driven to rotate. The relative rolling between the roller 51 and the track realizes the convenient movement of the mounting seat 1 along the track.

The other parts of this embodiment are the same as those of Embodiment 1, and thus are not repeated here.

Example 3:

This embodiment is further optimized on the basis of the above-mentioned Embodiment 1 or 2. As shown in FIG. 4 , the stretching device 4 includes a main stretching cylinder 41 , an stretching slide rail 43 , and an stretching slider 44 . The main stretching cylinder 41 It is arranged on the top of the lifting frame 2 along the horizontal direction towards the tunnel wall. The two sides of the main extension cylinder 41 are provided with extension slide rails 43 in parallel and symmetrically. 3. One end of the bottom of the supporting platform 3 close to the mounting frame 1 is connected to the telescopic end of the main stretching oil cylinder 41 .

Extending slide rails 43 are arranged in parallel on both sides of the top of the lift frame 2 along the horizontal direction toward the tunnel wall. Extending slide rails 43 are slidably provided with extending sliders 44 , and the top of the extending sliders 44 is connected to the support platform 3 through mounting bolts. The bottom of the support platform 3 is connected to the bottom of the lifting frame 2 through the sliding cooperation between the extension slide block 44 and the extension slide rail 43 to realize the sliding towards the tunnel wall on the lifting frame 2 .

A main extension oil cylinder 41 is arranged in parallel between the two extension slide rails 43. The fixed end of the main extension oil cylinder 41 is connected to the end of the top of the lifting frame 2 close to the mounting frame 1, and the telescopic end of the main extension oil cylinder 41 is hinged with the bottom of the support platform 3. , the piston cavity of the main extension oil cylinder 41 is connected with the external hydraulic station through the hydraulic pipeline, and the external hydraulic station is arranged on the mounting frame 1 and supplies hydraulic oil to the main extension oil cylinder 41 . The telescopic end of the main extension cylinder 41 is usually in a retracted state. When the staff needs to approach the tunnel wall, the telescopic end of the main extension cylinder 41 extends toward the tunnel wall, thereby driving the support platform 3 to slide toward the tunnel wall, so that the staff can approach the tunnel wall. tunnel wall.

The bottom of the lifting frame 2 is also provided with an auxiliary stretching cylinder 42, the fixed end of the auxiliary stretching cylinder 42 is hinged with the side of the mounting frame 1, and the telescopic end of the mounting frame 1 is hinged with the bottom of the end of the support platform 3 away from the mounting frame 1. When the frame 2 is raised and lowered, the telescopic end of the auxiliary extension cylinder 42 is correspondingly extended and retracted to assist the supporting platform 3 to rise synchronously with the lifting frame 2 . When the support platform 3 is stretched toward the tunnel wall, the end of the support platform 3 away from the mounting frame 1 is in a cantilever state. One end is supported to effectively ensure the stability of the support platform 3 during the extension process.

The other parts of this embodiment are the same as the above-mentioned Embodiment 1 or 2, and thus are not repeated here.

Example 4:

This embodiment is further optimized on the basis of any one of the above-mentioned Embodiments 1-3. As shown in FIGS. 5-7 , the lifting device 7 includes a hoist 71 , a lifting slide rail 72 , and a lifting slider 73 . The lifting slide rails 72 are arranged on both sides of the mounting frame 1 along the vertical direction, the lifting sliding block 73 is slidably arranged on the lifting sliding rail 72, and the side of the lifting sliding block 73 away from the mounting frame 1 and the one side of the lifting frame 2 are slidably arranged. Side connection; the hoisting machine 71 is arranged on the top of the mounting frame 1 , and the hoisting end of the hoisting rope of the hoisting machine 71 is connected with the top of the lifting frame 2 .

The hoisting rope is driven up and down by the hoisting machine 71, and then the lifting frame 2 and the supporting platform 3 at the top of the lifting frame 2 are moved up and down in the vertical direction. The counterweight block is slidably connected to the side surface of the mounting frame 1 .

At the same time, a guide post 74 is provided in parallel on one side of the lift rail 72, and the lift frame 2 is provided with a guide sleeve 75 that is slidably connected to the guide post 74. When the lift frame 2 is raised and lowered, the guide sleeve 75 also follows the The guide column 74 slides along the vertical direction, so as to realize the lifting and guiding of the lifting frame 2 .

Further, a locking plate 76 is arranged in parallel on the other side of the lifting slide rail 72 , and a plurality of locking holes are linearly arranged on the locking plate 76 , and a locking lug is arranged on the side of the lifting frame 2 close to the locking plate 76 . 77 , the locking lugs 77 are provided with sub-locking holes corresponding to the locking holes on the locking plate 76 . The distance between adjacent locking holes is 20cm-50cm, and the height of each locking hole corresponds to a working height of the lifting frame 2. When the lifting frame 2 is lifted to the sub-locking hole on the locking lug 77 and the locking plate 76 After the locking holes are aligned, insert locking pins in the locking holes and the sub-locking holes to lock the height of the lifting frame 2. Even if the lifting device 71 fails, the lifting frame 2 will be locked due to the locking of the lifting frame 2 by the locking bolts. It will not fall, effectively ensuring the safety of the staff.

The other parts of this embodiment are the same as any of the above-mentioned Embodiments 1-3, and thus are not repeated here.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Any simple modifications and equivalent changes made to the above embodiments according to the technical essence of the present invention shall fall within the scope of the present invention. within the scope of protection of the present invention.

Claims (9)

1. A rail-type trolley, comprising a mounting frame (1), characterized in that, at least one lifting frame (2) is slidably arranged on both the left and right sides of the mounting frame (1) along a vertical direction, and the lifting The top of the frame (2) is provided with a lifting device (7) that drives the lifting frame (2) to lift. The top of the frame (2) is also provided with a stretching device (4) that drives the supporting platform (3) to slide; the bottom of the mounting frame (1) is symmetrically provided with a track moving device (5) sliding along the track on both sides, and the track One side of the moving device (5) is also provided with an emergency stop device (6) for clamping the track. 2 . The rail-type trolley according to claim 1 , wherein the emergency stop device ( 6 ) comprises a friction plate ( 61 ), a friction head ( 62 ), a connecting seat ( 63 ), a hydraulic sleeve ( 2 . 3 . 64), the friction plate (61) is arranged in parallel on both sides of the track, and the friction plate (61) is provided with a friction groove (01) parallel to the track; the connecting seat (63) is mounted on the mounting frame corresponding to the track At the bottom of (1), two sides of the connecting seat (63) are respectively provided with hydraulic sleeves (64) corresponding to the friction grooves (01) on both sides, and the hydraulic sleeves (64) extend into the interior of the friction grooves (01). The hydraulic sleeve (64) is provided with a hydraulic cavity (02) inside, and the upper and lower sides of the hydraulic sleeve (64) are respectively provided with a hydraulic cavity (02) corresponding to the upper and lower side walls of the friction groove (01). A connected piston chamber (03), wherein a friction head (62) is slidably arranged in the piston chamber (03). 3 . The rail-type trolley according to claim 2 , wherein a friction plate is provided at one end of the friction head ( 62 ) close to the side wall of the friction groove ( 01 ). 4 . 4. A rail-type trolley according to any one of claims 1-3, characterized in that the stretching device (4) comprises a main stretching oil cylinder (41), a stretching slide rail (43), and a stretching slider (44), the main stretching oil cylinder (41) is arranged on the top of the lifting frame (2) along the horizontal direction toward the tunnel wall, and the two sides of the main stretching oil cylinder (41) are provided with stretching slide rails (43) in parallel and symmetrically. A support platform (3) is slidably installed on the stretch slide rail (43) through the stretch slide block (44), and the bottom of the support platform (3) is close to one end of the mounting frame (1) and the main stretch cylinder (41) Telescopic end connection. 5 . The rail-type trolley according to claim 4 , further comprising an auxiliary stretching oil cylinder ( 42 ), the auxiliary stretching oil cylinder ( 42 ) is arranged at the bottom of the lifting frame ( 2 ) and assists in stretching. 6 . The fixed end of the oil cylinder (42) is hinged with the side surface of the mounting frame (1), and the telescopic end of the auxiliary extension oil cylinder (42) is hinged with the other end of the bottom of the support platform (3). 6. A rail-type trolley according to any one of claims 1-3, characterized in that the lifting device (7) comprises a hoist (71), a lifting slide rail (72), a lifting slider (73) ), the lift rails (72) are arranged on both sides of the mounting frame (1) in the vertical direction, the lift sliders (73) are slidably arranged on the lift rails (72), and the lift sliders (73) ) The side away from the mounting frame (1) is connected with the side of the lifting frame (2); the hoist (71) is arranged on the top of the mounting frame (1), and the hoisting rope of the hoist (71) is hoisted The end is connected to the top of the lift frame (2). 7 . The rail-type trolley according to claim 6 , wherein a guide column ( 74 ) is arranged in parallel on one side of the lifting slide rail ( 72 ), and a guide column ( 74 ) is arranged on the lifting frame ( 2 ). 8 . The guide sleeve (75) is slidably connected with the guide post (74). 8 . The rail-type trolley according to claim 6 , wherein a locking plate ( 76 ) is provided in parallel on the other side of the lifting slide rail ( 72 ), and the locking plate ( 76 ) is linearly arranged. 9 . A number of locking holes are provided, and a locking lug (77) is provided on the side of the lifting frame (2) close to the locking plate (76), and the locking lug (77) corresponds to the locking on the locking plate (76). The hole is provided with a sub-locking hole. 9 . The rail-type trolley according to claim 1 , wherein a top platform ( 8 ) is provided on the top of the mounting frame ( 1 ). 10 .

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