CN211500671U

CN211500671U - Tunnel trolley with adjustable load-bearing foot suspension

Info

Publication number: CN211500671U
Application number: CN202020208096.1U
Authority: CN
Inventors: 刘长君; 刘耀斌; 王怀兴; 姚东作
Original assignee: Henan Jin Ji Ye Heavy Industry Co ltd
Current assignee: Henan Jin Ji Ye Heavy Industry Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-09-15
Anticipated expiration: 2030-02-25

Abstract

The utility model relates to a tunnel trolley technical field specifically is tunnel trolley of adjustable bearing foot suspension, including platform truck skeleton, elevating gear and auxiliary stay device, the platform truck skeleton includes that the multiunit support column that connects on a pair of base beam seat and two base beam seats supports and is provided with elevating gear between base bottom and the base beam seat, and the interval department between every group support column on the base beam seat all is provided with auxiliary stay device, beneficial effect: in the auxiliary supporting device, the telescopic rod of the hydraulic cylinder is adjusted by the control supporting legs to extend until the supporting chassis is in contact with the ground for supporting, and at the moment, the auxiliary supporting device performs auxiliary supporting on the trolley frame, so that the stability of the trolley frame in the construction process is ensured, and the adjustment control operation on the auxiliary supporting device is convenient; the lower end of the supporting block is provided with a hinged ball end, and the hinged ball end is hinged with the upper end of the supporting chassis, so that the supporting chassis can be randomly rotated within a certain angle range, and the effective fit of the supporting chassis and the uneven bottom surface is ensured.

Description

Tunnel trolley with adjustable load-bearing foot suspension

Technical Field

The utility model relates to a tunnel trolley technical field specifically is tunnel trolley of adjustable bearing foot suspension.

Background

Lining cutting platform truck of present tunnel construction usefulness is for guaranteeing sufficient intensity, adopt the structural style who uses the skeleton as the support main part more, the gyro wheel that the platform truck passes through the both sides bottom of skeleton bottom is connected with the guide rail, in order to be used for advancing of platform truck, but the tunnel platform truck is when being under construction, it is relatively poor to the support fixity ability of skeleton, lead to the platform truck skeleton to produce easily and rock, thereby influence the fixed of template, so need a platform truck foot suspension of convenient regulation, in order to guarantee the job stabilization of tunnel platform truck.

Disclosure of Invention

An object of the utility model is to provide a tunnel trolley of adjustable bearing foot suspension to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the tunnel trolley comprises a trolley framework, a lifting device and auxiliary supporting devices, wherein the trolley framework comprises a pair of base beam seats and a plurality of groups of supporting columns connected to the two base beam seats, a cross beam is connected between the upper ends of each group of supporting columns, the bottom of each supporting column is a supporting base, rib plates are welded on the two sides of the bottom of each supporting column and the upper surface of the supporting base, the lifting device is arranged between the bottom of the supporting base and the base beam seats, the auxiliary supporting devices are arranged at intervals between each group of supporting columns on the base beam seats, each auxiliary supporting device comprises a hinged seat, a suspension supporting leg and a supporting leg adjusting component, the hinged seats are welded on the outer side wall of the base beam seat, the hinged seats are hinged with suspension supporting legs, each suspension supporting leg comprises a crank, a damping component, a supporting block and a supporting chassis, one end of each crank is hinged with the hinged seat, and the, the lower extreme of supporting shoe is connected with the support chassis, and the suspension stabilizer blade is connected with stabilizer blade adjusting member, and stabilizer blade adjusting member includes that support grillage and stabilizer blade adjust the pneumatic cylinder, and the support grillage is "L" font backup pad body and passes through the bolt fastening on the bottom beam seat, and the articulated one end that the pneumatic cylinder was adjusted to the stabilizer blade of the lateral wall of support grillage, and the telescopic link tip of the pneumatic cylinder other end is adjusted to the stabilizer blade is articulated mutually with articulate outer tip upper end.

Preferably, the lifting device comprises a lifting hydraulic cylinder and a guide telescopic piece, the bottom of the lifting hydraulic cylinder is fixed on the upper surface of the bottom beam seat through a bolt, and the upper end of a telescopic rod of the lifting hydraulic cylinder is fixedly connected with the lower surface of the supporting base.

Preferably, the two sides of the lifting hydraulic cylinder are provided with guide telescopic parts, each guide telescopic part comprises an outer guide cylinder and an inner guide rod which are sleeved with each other, the bottom of each outer guide cylinder is fixedly connected with the bottom beam seat through a bolt, and the upper end of each inner guide rod is fixedly connected with the lower surface of the support base.

Preferably, the damping assembly comprises a damping sleeve, a damping inner rod and a damping spring, the damping sleeve and the damping inner rod are sleeved with each other, the damping spring is sleeved outside the damping sleeve and the damping inner rod, the lower end of the damping sleeve is fixedly welded with the supporting block, the upper end of the damping inner rod is fixedly connected with the end part of the crank, and two ends of the damping spring are respectively connected with the crank and the supporting block in a contact manner.

Preferably, the lower end of the supporting block is provided with a hinged ball end, and the hinged ball end is hinged with the upper end of the supporting chassis.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the structure sets up rationally, and is functional strong, has following advantage:

1. the utility model discloses a telescopic link of control hydraulic cylinder stretches out and draws back, reaches the lift height of adjusting the support column, and leads when all being provided with the direction extensible member through hydraulic cylinder's both sides and going up and down the support column, guarantees the stability when the support column goes up and down;

2. in the auxiliary supporting device, the telescopic rod of the hydraulic cylinder is adjusted by the control supporting legs to extend until the supporting chassis is in contact with the ground for supporting, and at the moment, the auxiliary supporting device performs auxiliary supporting on the trolley frame, so that the stability of the trolley frame in the construction process is ensured, and the adjustment control operation on the auxiliary supporting device is convenient;

3. the utility model discloses the lower extreme of well supporting shoe is equipped with articulated ball end, and articulated ball end is articulated mutually with the upper end that supports the chassis for but support the chassis and dial the commentaries on classics wantonly in the certain angle within range, guarantee to support the effective laminating of chassis and unevenness bottom surface.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a front view of the structure of the present invention;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;

fig. 5 is an enlarged view at C in fig. 4.

In the figure: the device comprises a base beam seat 1, a lifting device 2, a support column 3, a support base 301, a ribbed plate 302, an auxiliary support device 4, a lifting hydraulic cylinder 5, a guide telescopic piece 6, a hinged seat 7, a crank 8, a damping component 9, a support block 10, a support base plate 11, a support plate frame 12, a support leg adjusting hydraulic cylinder 13, an outer guide cylinder 14, an inner guide rod 15, a damping sleeve 16, an inner damping rod 17, a damping spring 18 and a hinged ball end 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a tunnel trolley with an adjustable bearing foot suspension comprises a trolley framework, a lifting device 2 and an auxiliary supporting device 4, and is shown by combining a figure 1 and a figure 3, wherein the trolley framework comprises a pair of base beam seats 1 and a plurality of groups of supporting columns 3 connected on the two base beam seats 1, rollers are arranged below the two base beam seats 1 and are used for connecting guide rails so as to be used for advancing the tunnel trolley, a cross beam is connected between the upper ends of each group of supporting columns 3, the bottom of each supporting column 3 is a supporting base 301, rib plates 302 are welded on the two sides of the bottom of each supporting column 3 and the upper surface of the corresponding supporting base 301 so as to ensure the structural connection stability between the corresponding supporting base 301 and the corresponding supporting column 3, the lifting device 2 is arranged between the bottom of the corresponding supporting base 301 and the corresponding base beam seat 1, each lifting device 2 comprises a lifting hydraulic cylinder 5 and a guiding telescopic piece 6, the bottom of the lifting hydraulic cylinder 5 is fixed on the upper surface of the base beam seat, telescopic link through control hydraulic cylinder 5 stretches out and draws back, reach the lift height of adjusting support column 3, hydraulic cylinder 5's both sides all are provided with direction extensible member 6, direction extensible member 6 is including the outer guide cylinder 14 and the interior guide bar 15 of mutual registrate, bolt and 1 fixed connection of base beam seat are passed through to outer guide cylinder 14 bottom, the upper end of interior guide bar 15 is connected with the lower fixed surface who supports base 301, direction extensible member 6 leads when support column 3 goes up and down, stability when guaranteeing support column 3 to go up and down.

Combine shown in fig. 1 and 2, interval department between every group support column 3 all is provided with auxiliary stay device 4 on the base girder seat 1, auxiliary stay device 4 is including articulated seat 7, suspension stabilizer blade and stabilizer blade adjusting member, articulated seat 7 welds the lateral wall at base girder seat 1, and articulated seat 7 articulates there is the suspension stabilizer blade, the suspension stabilizer blade includes crank 8, damper 9, supporting shoe 10 and support chassis 11, crank 8's one end is articulated mutually with articulated seat 7, crank 8's outer end is connected with supporting shoe 10 through damper 9, the lower extreme of supporting shoe 10 is connected with support chassis 11, carry out the auxiliary stay of lateral extension to base girder seat 1 through the suspension stabilizer blade, effectively improve the support stability to the platform truck skeleton.

Referring to fig. 2 and 5, the damping assembly 9 includes a damping sleeve 16, a damping inner rod 17, and a damping spring 18 sleeved on the damping sleeve 16, the damping spring 18 is outside the damping inner rod 17, the lower end of the damping sleeve 16 is fixedly welded to the support block 10, the upper end of the damping inner rod 17 is fixedly connected to the end of the crank 8, two ends of the damping spring 18 are respectively connected to the crank 8 and the support block 10 in a contact manner, the damping assembly 9 can effectively buffer the vibration generated during the construction process of the bogie frame, the lower end of the support block 10 is provided with a hinged ball end 19, and the hinged ball end 19 is hinged to the upper end of the support chassis 11, so that the support chassis 11 can be rotated within a certain angle range at will, and the effective fit of the support chassis 11 and the uneven bottom surface.

Referring to fig. 2 and 5, the suspension leg is connected to a leg adjusting member, the leg adjusting member includes a support plate frame 12 and a leg adjusting hydraulic cylinder 13, the support plate frame 12 is an "L" shaped support plate and is fixed to the base beam seat 1 by a bolt, the outer side wall of the support plate frame 12 is hinged to one end of the leg adjusting hydraulic cylinder 13, the end of the telescopic rod at the other end of the leg adjusting hydraulic cylinder 13 is hinged to the upper end of the outer end of the crank 8, when the tunnel trolley advances, the telescopic rod of the hydraulic cylinder 13 is adjusted to retract by controlling the support legs, the crank 8 can be turned upwards and lifted, so that the supporting chassis 11 is separated from the bottom surface, when the tunnel trolley is used for construction operation, the telescopic rod of the hydraulic cylinder 13 is adjusted through the control supporting legs to extend until the supporting chassis 11 is in contact with the ground to support, and at the moment, the auxiliary supporting device 4 carries out auxiliary supporting on the trolley framework, so that the stability of the trolley framework in the construction process is guaranteed.

The working principle is as follows: in the utility model, the telescopic rod controlling the lifting hydraulic cylinder 5 is used for stretching to adjust the lifting height of the support column 3, and the guide telescopic pieces 6 are arranged on the two sides of the lifting hydraulic cylinder 5 to guide the support column 3 when the support column 3 is lifted, so as to ensure the stability of the support column 3 when lifted; when the tunnel trolley advances, the telescopic rod of the hydraulic cylinder 13 is adjusted through the control support leg to retract, the crank 8 can be upwards overturned and lifted, the supporting chassis 11 is separated from the bottom surface, when the tunnel trolley is constructed, the telescopic rod of the hydraulic cylinder 13 is adjusted through the control support leg to extend until the supporting chassis 11 is in contact with the ground to support, the auxiliary supporting device 4 carries out auxiliary supporting on the trolley framework at the moment, the stability of the trolley framework in the construction process is ensured, and the adjustment control operation of the auxiliary supporting device 4 is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Tunnel trolley of adjustable bearing foot suspension, including platform truck skeleton, elevating gear (2) and auxiliary stay device (4), its characterized in that: the trolley skeleton comprises a pair of bottom beam seats (1) and two bottom beam seats (1), wherein multiple groups of support columns (3) are connected to each other, a cross beam is connected between the upper ends of each group of support columns (3), the bottom of each support column (3) is a support base (301), rib plates (302) are welded on the two sides of the bottom of each support column (3) and the upper surfaces of the support bases (301), a lifting device (2) is arranged between the bottom of each support base (301) and the bottom beam seats (1), auxiliary support devices (4) are arranged at intervals between every group of support columns (3) on each bottom beam seat (1) and comprise hinged seats (7), suspension support legs and support leg adjusting components, the hinged seats (7) are welded on the outer side wall of the bottom beam seats (1), the hinged seats (7) are hinged with the suspension support legs, and the suspension support legs comprise cranks (8), shock absorption components (9), Supporting shoe (10) and support chassis (11), the one end of crank (8) is articulated mutually with articulated seat (7), the outer end of crank (8) is connected with supporting shoe (10) through damper unit (9), the lower extreme of supporting shoe (10) is connected with and supports chassis (11), the suspension stabilizer blade is connected with stabilizer blade adjusting member, stabilizer blade adjusting member includes supporting grillage (12) and stabilizer blade adjusting hydraulic cylinder (13), supporting grillage (12) are "L" font supporting plate body and pass through the bolt fastening on bottom beam seat (1), the one end of the articulated stabilizer blade adjusting hydraulic cylinder (13) of lateral wall of supporting grillage (12), the telescopic link tip of the stabilizer blade adjusting hydraulic cylinder (13) other end is articulated mutually with the outer tip upper end of crank (8).

2. The adjustable load bearing foot suspension tunnel trolley of claim 1 wherein: the lifting device (2) comprises a lifting hydraulic cylinder (5) and a guide telescopic piece (6), the bottom of the lifting hydraulic cylinder (5) is fixed on the upper surface of the bottom beam seat (1) through a bolt, and the upper end of a telescopic rod of the lifting hydraulic cylinder (5) is fixedly connected with the lower surface of the support base (301).

3. The adjustable load bearing foot suspension tunnel trolley of claim 2 wherein: the lifting hydraulic cylinder is characterized in that guide telescopic pieces (6) are arranged on two sides of the lifting hydraulic cylinder (5), each guide telescopic piece (6) comprises an outer guide cylinder (14) and an inner guide rod (15) which are sleeved with each other, the bottom of each outer guide cylinder (14) is fixedly connected with the bottom beam seat (1) through a bolt, and the upper end of each inner guide rod (15) is fixedly connected with the lower surface of the corresponding support base (301).

4. The adjustable load bearing foot suspension tunnel trolley of claim 1 wherein: the damping assembly (9) comprises a damping sleeve (16), a damping inner rod (17) and a damping spring (18), wherein the damping sleeve (16) and the damping inner rod (17) are sleeved with each other, the damping spring (18) is sleeved outside the damping sleeve (16) and the damping inner rod (17), the lower end of the damping sleeve (16) is fixedly welded with a supporting block (10), the upper end of the damping inner rod (17) is fixedly connected with the end part of a crank (8), and the two ends of the damping spring (18) are respectively connected with the crank (8) and the supporting block (10) in a contact.

5. The adjustable load bearing foot suspension tunnel trolley of claim 1 wherein: the lower end of the supporting block (10) is provided with a hinged ball end (19), and the hinged ball end (19) is hinged with the upper end of the supporting chassis (11).