CN219621579U - Precursor type hydraulic control movable trestle - Google Patents
Precursor type hydraulic control movable trestle Download PDFInfo
- Publication number
- CN219621579U CN219621579U CN202320471398.1U CN202320471398U CN219621579U CN 219621579 U CN219621579 U CN 219621579U CN 202320471398 U CN202320471398 U CN 202320471398U CN 219621579 U CN219621579 U CN 219621579U
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- trestle
- support frame
- trestle body
- hydraulic control
- frame
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Abstract
The utility model discloses a front-drive type hydraulic control movable trestle, which comprises a trestle body, a first support frame and a driving oil cylinder, wherein the first support frame is connected with the front end of the trestle body in a sliding manner along the length direction of the trestle body, the first support frame can be vertically telescopic and adjustable, the driving oil cylinder is horizontally arranged between the first support frame and the front end of the trestle body, and the driving oil cylinder extends along the length direction of the trestle body. The front-drive hydraulic control movable trestle is simpler in structure, the trestle body is not easy to deviate, the required driving force is smaller, and the poured concrete tunnel bottom is not easy to damage.
Description
Technical Field
The utility model relates to a trestle for tunnel construction, in particular to a precursor type hydraulic control movable trestle.
Background
The trestle is used for tunnel construction equipment, after the trestle is located the tunnel, the rear end of the trestle supports in the position that the concrete construction has been carried out in the tunnel bottom, the concrete pouring space is excavated in the position below the trestle in the tunnel bottom, the front end of the trestle is provided with a support frame, the support frame supports in the bottom of the concrete pouring space front end, then concrete pouring is carried out on the concrete pouring space, after concrete pouring and curing are completed, a new concrete pouring space is formed by excavating the tunnel bottom in front of the trestle, then the trestle is moved forward, the rear end of the trestle is supported on the concrete tunnel bottom just after curing is completed, and the construction of the tunnel bottom can be completed through repeated steps.
In the prior art, rollers and a speed reducing motor for driving the rollers to walk are generally arranged at the rear end of the trestle, and the trestle is controlled to move forwards through the rollers. The existing trestle has the following defects: firstly, set up gear motor control gyro wheel walking, the structure is comparatively complicated, secondly, promotes whole landing stage through the frictional force between gyro wheel and the concrete and walks forward, and the landing stage not only appears the skew easily, and the resistance is great moreover, and then required drive force is great, and the gyro wheel appears skidding easily simultaneously and damages just pouring good concrete and walks the end.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the precursor hydraulic control movable trestle which is simpler in structure, the trestle body is not easy to deviate, in addition, the required driving force is smaller, and the poured concrete tunnel bottom is not easy to damage.
According to an embodiment of the utility model, a precursor hydraulic control mobile trestle comprises:
trestle body;
the first support frame is connected with the front end of the trestle body in a sliding manner along the length direction of the trestle body, and can be vertically telescopic and adjustable;
the driving oil cylinder is horizontally arranged between the first support frame and the front end of the trestle body, and extends along the length direction of the trestle body.
The precursor type hydraulic control movable trestle provided by the embodiment of the utility model has at least the following beneficial effects:
taking the example that the front end of the driving oil cylinder is connected with the trestle body, and the rear end of the driving oil cylinder is connected with the first support frame, when the trestle is moved by using the front-drive hydraulic control of the utility model, the rear end of the trestle body is supported on the poured concrete tunnel bottom, the first support frame is supported at the bottom of the front end of the concrete pouring space, the driving oil cylinder is extended, the driving oil cylinder can control the trestle body to slide forwards relative to the first support frame, so that the trestle body moves forwards, then the first support frame is contracted, the first support frame is separated from the ground, the driving oil cylinder is contracted, and finally the first support frame is extended again, so that the first support frame is supported on the ground again. According to the precursor type hydraulic control movable trestle, the movement of the trestle body can be controlled through the driving oil cylinder, the structure is simple, the driving oil cylinder is positioned at the front end of the trestle body, and is a precursor type, the trestle body is pulled to move forward instead of being pushed to move forward, so that the trestle body is not easy to deviate, the required driving force is smaller, and the poured concrete tunnel bottom is not easy to damage.
According to some embodiments of the utility model, the top end of the first supporting frame is provided with a mounting frame, the mounting frame is provided with a plurality of groups of pulleys, each group of pulleys comprises two pulleys which are arranged up and down, the trestle body is provided with a sliding rail along the length direction of the trestle body, and the sliding rail is slidably arranged between the two pulleys of the same group.
According to some embodiments of the utility model, a diagonal brace is provided between the mounting frame and the first support frame.
According to some embodiments of the utility model, the first support frame is vertically provided with a lifting oil cylinder, and the bottom end of the lifting oil cylinder is provided with a support seat.
According to some embodiments of the utility model, a second support frame is arranged at the front end of the trestle body, and the second support frame can be vertically and telescopically adjusted.
According to some embodiments of the utility model, the second support frame comprises:
the connecting frame is connected with the trestle body and is vertically provided with a plurality of groups of mounting holes;
the adjusting frame can be connected with the mounting holes of different groups through bolts.
According to some embodiments of the utility model, a front approach bridge is rotatably arranged at the front end of the trestle body around a horizontal axis, and a first control oil cylinder is hinged between the front approach bridge and the trestle body.
According to some embodiments of the utility model, a rear approach bridge is rotatably arranged at the rear end of the trestle body around a horizontal axis, and a second control oil cylinder is hinged between the rear approach bridge and the trestle body.
According to some embodiments of the utility model, the rear end of the trestle body is provided with a travelling wheel.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of the present utility model;
fig. 3 is an enlarged view of fig. 2 at a.
Reference numerals:
trestle body 100; a slide rail 101; front approach 102; a first control cylinder 103; rear approach 104; a second control cylinder 105; a road wheel 106;
a first support frame 200; a mounting frame 201, a pulley 202; diagonal brace 203; a lift cylinder 204; a support base 205;
a driving cylinder 300;
a second support 400; a connection frame 401; the frame 402 is adjusted.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
A precursor hydraulic control mobile trestle according to an embodiment of the utility model is described below with reference to fig. 1 to 3.
As shown in fig. 1 to 3, a precursor hydraulic control mobile trestle according to an embodiment of the present utility model includes:
trestle body 100;
the first support frame 200 is connected with the front end of the trestle body 100 in a sliding manner along the length direction of the trestle body 100, and the first support frame 200 can be vertically telescopic and adjustable;
the driving oil cylinder 300 is horizontally arranged between the first support frame 200 and the front end of the trestle body 100, and the driving oil cylinder 300 extends along the length direction of the trestle body 100.
Taking the example that the front end of the driving oil cylinder 300 is connected with the trestle body 100, and the rear end of the driving oil cylinder 300 is connected with the first supporting frame 200, when the trestle is moved by using the precursor hydraulic control of the utility model, the rear end of the trestle body 100 is supported on the poured concrete tunnel bottom, the first supporting frame 200 is supported at the bottom of the front end of the concrete pouring space, the driving oil cylinder 300 is extended, the driving oil cylinder 300 can control the trestle body 100 to slide forwards relative to the first supporting frame 200, so that the advancing of the trestle body 100 is realized, the first supporting frame 200 is contracted, the driving oil cylinder 300 is contracted, and finally the first supporting frame 200 is extended again, so that the first supporting frame 200 is supported again. According to the precursor type hydraulic control movable trestle, the movement of the trestle body 100 can be controlled through the driving oil cylinder 300, the structure is simple, the driving oil cylinder 300 is positioned at the front end of the trestle body 100, and is a precursor type, the trestle body 100 is pulled to move forward instead of being pushed to move forward, so that the trestle body 100 is not easy to deviate, the required driving force is smaller, and the poured concrete tunnel bottom is not easy to damage.
It should be noted that, after the trestle body 100 is located in the tunnel, the trestle body 100 extends along the length direction of the tunnel, and the trestle body 100 is mainly used for passing through a tunnel construction trolley or other devices. The first support frame 200 is connected with the trestle body 100, and the trestle body 100 and the first support frame 200 can slide relatively along the length direction of the trestle body 100. In addition, the front end of the driving cylinder 300 may be connected to the first support frame 200, and the rear end of the driving cylinder 300 may be connected to the trestle body 100. When the first support frame 200 is contracted, the first support frame 200 can be controlled to move forward by driving the oil cylinder 300, so that the forward movement of the trestle body 100 can be controlled repeatedly.
It is understood that the front end and the rear end of the trestle body 100 refer to the front end and the rear end of the trestle body 100 in the moving direction. When the concrete is poured into the concrete pouring space below the trestle body 100, the concrete is poured into the concrete pouring space close to the rear end of the trestle body 100, so that the first support frame 200 at the front end is not affected.
In some embodiments of the present utility model, as shown in fig. 2, a mounting frame 201 is disposed at the top end of the first supporting frame 200, the mounting frame 201 is provided with a plurality of groups of pulleys 202, each group of pulleys 202 includes two pulleys 202 arranged up and down, the trestle body 100 is provided with a sliding rail 101 along its length direction, and the sliding rail 101 is slidably mounted between the two pulleys 202 of the same group. Specifically, at least two sliding rails 101 may be provided, each sliding rail 101 is correspondingly provided with a plurality of groups of pulleys 202, and the plurality of groups of pulleys 202 corresponding to the same sliding rail 101 are arranged along the length direction of the sliding rail 101. In this embodiment, the pulley 101 is matched with the sliding rail 101, so that the relative sliding between the trestle body 100 and the first supporting frame 200 is smoother. And the pulleys 101 are arranged on the upper and lower sides of the sliding rail 101, so that the trestle body 100 can conveniently slide relative to the first supporting frame 200 when the first supporting frame 200 is fixed, and the first supporting frame 200 can conveniently slide relative to the trestle body 100 when the trestle body 100 is fixed.
It should be noted that the first support frame 200 may be slidably connected to the trestle body 100 in other manners, for example, the first support frame 200 may be provided with a slider, and the slider is slidably connected to the sliding rail 101.
In some embodiments of the present utility model, as shown in fig. 2, a diagonal brace 203 is provided between the mounting frame 201 and the first support frame 200. The diagonal brace 203 is arranged, so that the overall structural strength of the first supporting frame 200 is higher, the heavier trestle body 100 can be borne, the trestle body is less prone to damage, and the service life is longer.
In some embodiments of the present utility model, as shown in fig. 2, the first support frame 200 is vertically provided with a lift cylinder 204, and a bottom end of the lift cylinder 204 is provided with a support seat 205. Starting the lifting cylinder 204 can realize the expansion of the first support frame 200, and has the advantages of simple structure, convenient operation, time saving and labor saving.
The first support frame 200 may be configured to be telescopic, for example, a scissor type support frame that is telescopic.
In some embodiments of the present utility model, as shown in fig. 2, a second support frame 400 is disposed at the front end of the trestle body 100, and the second support frame 400 can be adjusted in a telescopic manner along the vertical direction. Specifically, the second support frame 400 can be located the place ahead of first support frame 200, in this embodiment, sets up second support frame 400, can cooperate first support frame 200 to support landing stage body 100 to support more firm to landing stage body 100, can bear heavier landing stage body 100, in addition, second support frame 400 can be along vertical flexible regulation, when needs remove landing stage body 100, shrink second support frame 400 can avoid second support frame 400 to cause the interference to the removal of landing stage body 100.
In some embodiments of the present utility model, as shown in fig. 2, the second support frame 400 includes a connection frame 401 and an adjusting frame 402, where the connection frame 401 is connected to the trestle body 100, the connection frame 401 is vertically provided with a plurality of groups of mounting holes, and the adjusting frame 402 can be connected with the mounting holes of different groups through bolts. Through the mounting hole bolted connection with alignment jig 402 and different group, can make alignment jig 402 adjust from top to bottom to realize the flexible of second support frame 400, convenient operation, labour saving and time saving. It should be noted that, a telescopic cylinder may be vertically disposed on the second support 400, and the second support 400 may be telescopic through the telescopic cylinder.
In some embodiments of the present utility model, as shown in fig. 2, a front access bridge 102 is rotatably disposed at a front end of the trestle body 100 around a horizontal axis, and a first control cylinder 103 is hinged between the front access bridge 102 and the trestle body 100. Front access 102 is provided to facilitate the upper and lower trestle bodies 100 such as dollies. The front approach bridge 102 can rotate, specifically, the rotation axis of the front approach bridge 102 can extend along the width direction of the trestle body 100, when the trestle body 100 needs to be moved, the front approach bridge 102 is controlled to rotate upwards and separate from the ground through the first control oil cylinder 103, so that interference caused by the front approach bridge 102 to movement of the trestle body 100 can be avoided.
It will be appreciated that the two front axles 102 and the two first control cylinders 103 are shown in fig. 2 to illustrate that the front axles 102 and the first control cylinders 103 are in different states.
In some embodiments of the present utility model, as shown in fig. 3, a rear approach bridge 104 is rotatably disposed at the rear end of the trestle body 100 around a horizontal axis, and a second control cylinder 105 is hinged between the rear approach bridge 104 and the trestle body 100. The rear approach 104 is provided to facilitate the upper and lower trestle bodies 100 such as dollies. The rear approach bridge 104 can rotate, specifically, the rotation axis of the rear approach bridge 104 can extend along the width direction of the trestle body 100, and when the trestle body 100 needs to be moved, the rear approach bridge 104 is controlled to rotate upwards and separate from the ground through the second control oil cylinder 105, so that interference caused by the movement of the rear approach bridge 104 to the trestle body 100 can be avoided.
It will be appreciated that the two rear access axles 104 and the two second control cylinders 105 are shown in fig. 3 to illustrate that the rear access axles 104 and the second control cylinders 105 are in different states.
In some embodiments of the present utility model, as shown in fig. 3, the rear end of the landing stage body 100 is provided with a road wheel 106. The travelling wheels 106 are arranged, so that the friction force born by the trestle body 100 during movement is smaller, the trestle body 100 is smoother to move, and abrasion to the concrete tunnel bottom during movement of the trestle body 100 can be reduced.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (9)
1. The utility model provides a forerunner's hydraulic control removes landing stage which characterized in that includes:
trestle body;
the first support frame is connected with the front end of the trestle body in a sliding manner along the length direction of the trestle body, and can be vertically telescopic and adjustable;
the driving oil cylinder is horizontally arranged between the first support frame and the front end of the trestle body, and extends along the length direction of the trestle body.
2. The front-drive hydraulic control movable trestle according to claim 1, wherein a mounting frame is arranged at the top end of the first support frame, a plurality of groups of pulleys are arranged on the mounting frame, each group of pulleys comprises two pulleys which are arranged up and down, a sliding rail is arranged on the trestle body along the length direction of the trestle body, and the sliding rail is slidably arranged between the two pulleys of the same group.
3. The front-drive hydraulic control movable trestle according to claim 2, wherein a diagonal brace is arranged between said mounting frame and said first support frame.
4. A precursor hydraulic control mobile trestle according to any of claims 1 to 3, wherein said first support frame is provided vertically with a lift cylinder, the bottom end of which is provided with a support seat.
5. A front-drive hydraulic control movable trestle according to any of claims 1 to 3, characterized in that the front end of the trestle body is provided with a second support frame, which can be adjusted in a vertically telescopic manner.
6. The front-drive hydraulically controlled mobile trestle of claim 5, wherein the second support frame comprises:
the connecting frame is connected with the trestle body and is vertically provided with a plurality of groups of mounting holes;
the adjusting frame can be connected with the mounting holes of different groups through bolts.
7. A front-drive hydraulic control movable trestle according to any of claims 1 to 3, characterized in that the front end of said trestle body is provided with a front approach by rotating around a horizontal axis, and a first control cylinder is hinged between said front approach and said trestle body.
8. A front-drive hydraulic control movable trestle according to any of claims 1 to 3, characterized in that the rear end of said trestle body is provided with a rear approach in rotation about a horizontal axis, and a second control cylinder is hinged between said rear approach and said trestle body.
9. A front-drive hydraulically controlled mobile trestle according to any of claims 1 to 3, characterized in that the rear end of the trestle body is provided with travelling wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320471398.1U CN219621579U (en) | 2023-03-09 | 2023-03-09 | Precursor type hydraulic control movable trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320471398.1U CN219621579U (en) | 2023-03-09 | 2023-03-09 | Precursor type hydraulic control movable trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219621579U true CN219621579U (en) | 2023-09-01 |
Family
ID=87773968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320471398.1U Active CN219621579U (en) | 2023-03-09 | 2023-03-09 | Precursor type hydraulic control movable trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219621579U (en) |
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2023
- 2023-03-09 CN CN202320471398.1U patent/CN219621579U/en active Active
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