Small-curvature-radius steering sliding device of shield trolley equipment

Abstract

The utility model discloses a shield trolley equipment small curvature radius steering sliding device which comprises a sliding face steel plate laid on a walking track and a jack in contact with a shield trolley walking wheel set, and supporting profile steel and movable blocks movably connected with the supporting profile steel are arranged on the two sides of the sliding face steel plate. The supporting profile steel is in threaded connection with the sliding face steel plate, the movable block slides in one side face of the supporting profile steel, and the movable block abuts against the bottom end of the jack so as to be used for adjusting the position of the jack. According to the small-curvature-radius steering sliding device of the shield trolley equipment, the problem that in the prior art, the position of a jack of a shield trolley is difficult to adjust adaptively according to needs is solved, and the jack can be adjusted in real time according to the needed position through the technology of the small-curvature-radius steering sliding device of the shield trolley equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of shield machines, in particular to a small curvature radius steering sliding device for shield trolley equipment. Background Art

[0002] Shield machines are often used for tunnel construction in underground projects. Depending on the hydrogeological conditions, ground buildings and construction conditions of each project, a construction route with a small curvature radius is sometimes designed, which makes shield processing more difficult. Previous equipment cannot meet the requirements of turning with a small curvature radius.

[0003] The existing Chinese utility model with document number CN 203769791 U discloses a small curvature radius steering and sliding device for a shield trolley, which includes a shield trolley, a travel track, a sliding surface steel plate, a supporting steel, a jack, a reaction force fixing member and a pad. The shield trolley is placed on the travel track, and the supporting steel is arranged on both sides of the travel track. One end of the jack is abutted against the reaction force fixing member, and the other end is abutted against the outer side of the shield trolley travel wheel group. The jack is used as a steering and sliding power source to meet the steering requirements of the shield trolley with a small curvature radius.

[0004] However, during the use of this device, it was found that its supporting steel was fixedly connected to the sliding surface steel plate, and the reaction force fixing piece that provides reaction force for the jack was fixedly connected to the supporting steel, resulting in that the jack was often unable to adjust its position as needed when it was in action.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a new type of shield trolley equipment with a small curvature radius steering sliding device, so as to solve the problem in the prior art that the shield trolley jack is difficult to adaptively adjust the position as needed. By adopting the technology of the present invention, the jack can be adjusted in real time according to the required position.

[0007] To achieve the above purpose, the technical solution of the utility model is as follows:

[0008] The utility model provides a small curvature radius steering sliding device for a shield trolley equipment, comprising a sliding surface steel plate laid on a walking track, and a jack in contact with a walking wheel group of the shield trolley, support steel sections and movable blocks movably connected to the support steel sections are arranged on both sides of the sliding surface steel plate, the support steel sections are threadedly connected to the sliding surface steel plate, the movable block slides in one side surface of the support steel section, and the movable block abuts against the bottom end of the jack to adjust the position of the jack.

[0009] Preferably, as a further implementable scheme, the supporting steel section includes a fixed base plate threadedly connected to the sliding surface steel plate and a docking plate body provided with a sliding groove, the docking plate body is arranged on the upper side of the fixed base plate and fixedly connected to the fixed base plate, and the fixed base plate is threadedly connected to the sliding surface steel plate through external bolts.

[0010] Preferably, as a further implementable solution, the docking plate body is further provided with a plurality of positioning holes along the length extension direction of the slide slot, the plurality of positioning holes all penetrate the slide slot, and the positioning holes are adapted to the movable block.

[0011] Preferably, as a further implementable solution, the movable block includes a block body adapted to the slide groove and locking plates arranged on both sides of the block body, the locking plates are fixedly connected to the block body, and the locking plates are also provided with positioning bolts adapted to the positioning holes.

[0012] Preferably, as a further implementable solution, the positioning bolt member includes a bolt column threadedly connected to the positioning hole and a nut for fixing the bolt column, the bolt column is inserted into the positioning hole, and the nut is threadedly fixed to the bolt column.

[0013] Preferably, as a further implementable solution, the positioning holes are uniformly arranged in sequence in the middle area of ​​the docking plate body.

[0014] Preferably, as a further implementable solution, it also includes a pad block arranged on the top surface of the jack, and the jack is in contact with the shield trolley running wheel set through the pad block.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model discloses a small curvature radius steering sliding device for shield trolley equipment. On the basis of the prior art, the structure of the sliding device is improved, and the structure of the supporting steel is improved so that the supporting steel can slide on the sliding surface steel plate as needed, and the reactive fixing part used in the past is replaced by the movable block so that the movable block can slide on one side of the supporting steel when needed, thereby meeting the displacement requirement of the jack when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limiting of the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0018] Figure 1It is an axonometric structural schematic diagram of a first embodiment of a small curvature radius steering and sliding device for a shield trolley equipment of the utility model.

[0019] Figure 2 It is a schematic diagram of a first embodiment of a small curvature radius steering sliding device of a shield trolley equipment of the utility model.

[0020] Figure 3 It is an axonometric schematic diagram of a movable block of a second embodiment of a small curvature radius steering and sliding device of a shield trolley equipment of the utility model.

[0021] 101- sliding surface steel plate, 102- jack, 103- pad, 104- supporting steel, 105- movable block, 106- fixed base plate, 107- docking plate, 108- slide groove, 109- positioning hole, 201- block, 202- locking plate, 203- bolt column, 204- nut. DETAILED DESCRIPTION

[0022] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments, but those skilled in the art will understand that the embodiments described below are part of the embodiments of the utility model, rather than all of the embodiments, and are only used to illustrate the utility model, and should not be considered as limiting the scope of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the utility model. If the specific conditions are not specified in the embodiments, they are carried out according to conventional conditions or conditions recommended by the manufacturer. If the manufacturer is not specified for the reagents or instruments used, they are all conventional products that can be purchased commercially.

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In order to more clearly explain the technical solution of the present invention, it is described in the form of specific embodiments below.

[0026] First embodiment

[0027] See also Figure 1-2 , Figure 1 This is a schematic diagram of the axonometric structure of the first embodiment of a small curvature radius steering and sliding device for a shield trolley equipment of the utility model. Figure 2 It is a schematic diagram of a first embodiment of a small curvature radius steering sliding device of a shield trolley equipment of the utility model.

[0028] The present embodiment provides a shield trolley equipment with a small curvature radius steering sliding device, comprising a sliding surface steel plate 101 laid on a walking track, and a jack 102 in contact with the shield trolley walking wheel group, and supporting steel sections 104 and movable blocks 105 movably connected to the supporting steel sections 104 are also provided on both sides of the sliding surface steel plate 101, the supporting steel sections 104 include a fixed bottom plate 106 threadedly connected to the sliding surface steel plate 101 and a docking plate body 107 provided with a slide groove 108, the docking plate body 107 is also provided with a plurality of positioning holes 109 along the length extension direction of the slide groove 108, the supporting steel section 104 is threadedly connected to the sliding surface steel plate 101, the movable block 105 slides in one side surface of the supporting steel section 104, and the movable block 105 is connected to one end of the jack 102.

[0029] The sliding device of the above embodiment further includes a cushion block 103, and the jack is in contact with the shield trolley running wheel set through the cushion block.

[0030] In this embodiment, since the shield trolley and the walking track have been clearly described in the prior art CN 203769791 U, this application does not provide a detailed description of their structure, nor does it show them. The sliding surface steel plate 101 cooperates with the setting of the supporting steel 104, which not only meets the fixing requirements of the supporting steel 104, but also enables the jack 102 to apply lateral sliding force to the shield trolley in the turning of a small curvature radius, and can also adaptively adjust the position of the jack 102 by adjusting the position of the movable block 105 during the turning and sliding process, so that the jack 102 can be adjusted in position as needed, and the fixed bottom plate 106 and the sliding surface are connected to each other. The sliding surface steel plates 101 can also be detachably connected and can be fixed to the sliding surface steel plates 101 when needed. The docking plate body 107 utilizes the slide groove 108 to achieve relative displacement with the movable block 105. The positioning hole 109 is set so that the movable block 105 can be fixed in the slide groove 108 as needed after displacement. It can be understood that the above-mentioned technical solution is used to solve the problem in the prior art that the position of the jack 102 during the steering and sliding process cannot be adaptively adjusted according to the requirements of the jack 102 during the steering and sliding process.

[0031] The docking plate 107 is disposed on the upper side of the fixed base plate 106 and is fixedly connected to the fixed base plate 106 . The fixed base plate 106 is threadedly connected to the sliding surface steel plate 101 via external bolts.

[0032] The slide groove 108 is provided on the docking plate body 107 , and the movable block 105 is moved in the slide groove 108 by utilizing the slide groove 108 , while the fixed bottom plate 106 enables the supporting steel 104 to be detachably fixed on the sliding surface steel plate 101 .

[0033] Secondly, the plurality of positioning holes 109 all penetrate the slide slot 108 , and the positioning holes 109 are adapted to the movable block 105 .

[0034] A plurality of positioning holes 109 are also provided in the slide groove 108, and the plurality of positioning holes 109 are arranged along the extension direction of the slide groove 108. The movable block 105 arranged in the slide groove 108 can be threadedly fixed with the positioning holes 109 when necessary to limit the position of the movable block 105 on the docking plate 107.

[0035] The positioning holes 109 are evenly arranged in sequence in the middle area of ​​the docking plate body, which is more conducive to the convenience of positioning operation.

[0036] Second embodiment

[0037] See also Figure 3 , Figure 3It is an axonometric schematic diagram of a movable block of a second embodiment of a small curvature radius steering and sliding device of a shield trolley equipment of the utility model.

[0038] On the basis of the first embodiment, the movable block 105 of the utility model comprises a block body 201 adapted to the slide groove 108 and locking plates 202 arranged on both sides of the block body 201, the locking plates 202 are fixedly connected to the block body 201, and the locking plates are further provided with positioning bolts adapted to the positioning holes 109;

[0039] The positioning bolt member includes a bolt column 203 threadedly connected to the positioning hole 109 and a nut 204 for fixing the bolt column 203 . The bolt column 203 is inserted into the positioning hole 109 , and the nut 204 is threadedly fixed to the bolt column 203 .

[0040] The block 201 is adapted to the slide groove 108, and the locking plates 202 arranged on both sides of the block 201 cooperate with the bolt column 203, so that the block 201 can be fixed as needed after sliding in the slide groove 108, and the nut 204 cooperates with the bolt column 203, so that the bolt column 203 can be more stably placed on the locking plate 202.

[0041] The utility model provides a small curvature radius steering sliding device for shield trolley equipment. On the basis of the prior art, the structure of the sliding device is improved, and the structure of the supporting steel 104 is improved so that the supporting steel 104 can slide on the sliding surface steel plate 101 as needed, and the movable block 105 is used to replace the reaction force fixing part used in the past, so that the movable block 105 can slide on one side of the supporting steel 104 when needed, thereby meeting the displacement requirement of the jack 102 when in use.

[0042] Finally, it is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the principles and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A shield trolley equipment small curvature radius steering sliding device, characterized in that: It includes a sliding surface steel plate laid on the walking track and a jack in contact with the shield trolley walking wheel group. Support steel and movable blocks movably connected to the support steel are arranged on both sides of the sliding surface steel plate. The support steel is threadedly connected to the sliding surface steel plate. The movable block slides on one side of the support steel. The movable block abuts against the bottom end of the jack to adjust the position of the jack.

2. The shield trolley equipment small curvature radius steering sliding device according to claim 1, characterized in that: The supporting steel includes a fixed base plate threadedly connected to the sliding surface steel plate and a docking plate body provided with a slide groove. The docking plate body is arranged on the upper side of the fixed base plate and fixedly connected to the fixed base plate. The fixed base plate is threadedly connected to the sliding surface steel plate through external bolts.

3. The shield trolley equipment small curvature radius steering sliding device according to claim 2, characterized in that: The docking plate body is further provided with a plurality of positioning holes along the length extension direction of the slide slot, and the plurality of positioning holes all penetrate the slide slot, and the positioning holes are adapted to the movable block.

4. The shield trolley equipment small curvature radius steering sliding device according to claim 3, characterized in that: The movable block comprises a block body adapted to the slide groove and locking plates arranged on both sides of the block body, the locking plates are fixedly connected to the block body, and the locking plates are also provided with positioning bolts adapted to the positioning holes.

5. The shield trolley equipment small curvature radius steering sliding device according to claim 4, characterized in that: The positioning bolt member includes a bolt column threadedly connected to the positioning hole and a nut for fixing the bolt column. The bolt column is inserted into the positioning hole, and the nut is threadedly fixed to the bolt column.

6. The shield trolley equipment small curvature radius steering sliding device according to claim 3, characterized in that: The positioning holes are evenly arranged in sequence in the middle area of ​​the docking plate body.

7. The shield trolley equipment small curvature radius steering sliding device according to claim 6, characterized in that: It also includes a cushion block arranged on the top surface of the jack, and the jack is in contact with the shield trolley walking wheel set through the cushion block.

Images