High-stability bracket base for engineering surveying and mapping

Abstract

The utility model belongs to the technical field of engineering surveying and mapping, and particularly relates to a high-stability support base for engineering surveying and mapping, which comprises a base, the bottom of the base is fixedly connected with a connecting seat, the circumferential surface of the connecting seat is rotatably connected with a connecting block, and the bottom of the connecting block is fixedly connected with a support frame. The bottom of the supporting frame is fixedly connected with supporting legs, the bottoms of the supporting legs are fixedly connected with supporting feet, the bottoms of the supporting feet are provided with anti-sinking devices for preventing the bottom of the support from sinking into the soft ground, and each anti-sinking device comprises a plurality of wide base plates. The utility model solves the problems that the bottom of the bracket base is insufficiently contacted with the ground, the bearing pressure is concentrated, the bracket is easy to sink into soft soil, the bracket is unstable due to insufficient supporting force, the accuracy and the measurement precision of an instrument are influenced, and the measurement error is increased, so that the anti-seismic and anti-wind capabilities of the bracket are enhanced, and the stability and the accuracy of the measurement instrument are ensured; and the precision and the reliability of the measurement work are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the engineering surveying and mapping technical field, concretely relates to a high stability engineering surveying and mapping support base. BACKGROUND

[0002] The support base is an important component for supporting and fixing surveying instruments in engineering surveying and mapping, and its stability directly affects the measurement accuracy. The traditional support base is usually made of metal or plastic material. However, under high-strength use conditions, it is easily affected by vibration, wind force or uneven ground factors, resulting in unstable instrument position and thus affecting the measurement results. Therefore, it is a key to solve the problem to develop a high-stability support base capable of improving its anti-seismic, wind-resistant and different-terrain-adaptable capabilities. The use of new materials and innovative design can improve the stability and durability of the base, which is a technical problem urgently needed to be solved in the engineering surveying and mapping industry.

[0003] A support base with high stability for engineering surveying and mapping is disclosed in Chinese Patent No. CN219712945U, which includes a base, three first supports equally spaced and hingedly connected to the bottom of the base, a second support slidingly connected in the first support, a bolt threadedly connected to the first support and capable of abutting the second support after penetrating the first support, a first side plate and a second side plate fixed to the two sides of the first support, and a rectangular cylinder provided on the first side plate. After the three first supports are spread apart, the rectangular cylinder and the moving tooth plate are rotated, the annular sleeve on one of the first supports is set into the hook plate on the adjacent first support, the moving tooth plate is moved into the rectangular cylinder, the annular sleeve and the hook plate are buckled, the screw is rotated to make the positioning tooth plate and the moving tooth plate engage, and the two adjacent first supports are fixed. The three first supports are sequentially fixed according to the above steps, thereby improving the stability of the spread support.

[0004] However, the current support base has the following problems: the bottom of the support base does not fully contact the ground and is subjected to concentrated pressure, which is easily trapped in soft soil, the support force is insufficient, the support is unstable, the accuracy and measurement accuracy of the instrument are affected, and the measurement error is increased. Therefore, we propose a support base with high stability for engineering surveying and mapping. INVENTION CONTENTS

[0005] The utility model aims to provide a support base with high stability for engineering surveying and mapping, which can solve the problem of insufficient contact between the bottom of the support base and the ground, concentrated pressure, easy trapping in soft soil, insufficient support force, unstable support, and the problem of affecting the accuracy and measurement accuracy of the instrument and increasing the measurement error in related technology.

[0006] The technical solution adopted by the utility model is as follows:

[0007] The utility model provides a high stability's engineering surveying and mapping support base, including the base, the bottom of base is fixedly connected with the connecting seat, the circumference surface of connecting seat is rotatably connected with the connecting block, the bottom of connecting block is fixedly connected with the support frame, the bottom of support frame is fixedly connected with the support leg, the bottom of support leg is fixedly connected with the support leg, the bottom of support leg is fixedly connected with the support leg, the bottom of support leg is fixedly connected with the support leg, the bottom of support leg is fixedly connected with the support leg, the top of a plurality of wide base is fixedly connected on the bottom of support leg, a plurality of first telescopic link is fixedly connected with the top of a plurality of wide base, the telescopic end of a plurality of first telescopic link is fixedly connected on the side of support leg, a plurality of second telescopic link is fixedly connected with the top of a plurality of wide base, the telescopic end of a plurality of second telescopic link is fixedly connected on the side of support leg.

[0008] The anti-sinking device further includes a telescopic column fixedly connected with the bottom of the base, the telescopic end of the telescopic column is fixedly connected with a limiting plate, and the circumferential surface of each of the plurality of wide bases is fixedly connected with a telescopic plate.

[0009] The circumferential surface of the telescopic column and the side surface of each of the plurality of support frames are both provided with a gap, and the telescopic end of each of the plurality of telescopic plates is fixedly connected to the circumferential surface of the limiting plate.

[0010] The bottom of the base is provided with an anti-closing device for preventing the support from being closed due to external force impact, the anti-closing device includes a plurality of sliding grooves, the top of each of the plurality of sliding grooves is fixedly connected to the bottom of the base, the inner wall of each of the plurality of sliding grooves is slidingly connected with a sliding block, the side surface of each of the plurality of sliding blocks is hingedly connected with a hinge rod, the end of each of the plurality of hinge rods away from the sliding block is hingedly connected to the side surface of each of the plurality of support frames, the end of each of the plurality of hinge rods close to the sliding block is hingedly connected with a friction block, the circumferential surface of the telescopic column is fixedly connected with a plurality of clamping blocks, the bottom of the base is fixedly connected with a plurality of telescopic blocks, the telescopic end of each of the plurality of telescopic blocks is fixedly connected with a plurality of friction plates, the telescopic end of each of the plurality of telescopic blocks is fixedly connected with a connecting rod, and the circumferential surface of each of the plurality of connecting rods is slidingly connected with a protruding block.

[0011] The circumferential surface of each of the plurality of protruding blocks is in contact with the inclined surface of each of the plurality of clamping blocks, and a spring is arranged between the telescopic end of each of the plurality of telescopic blocks and the side surface of each of the plurality of protruding blocks.

[0012] The bottom of each of the plurality of friction plates is located on the displacement track of the top of each of the plurality of friction blocks, and the bottom of each of the plurality of friction plates and the top of each of the plurality of friction blocks are both provided as rough surfaces.

[0013] The utility model discloses the technical effect achieved is:

[0014] The utility model discloses the setting of the anti subsidence device makes the cooperation of telescopic column, limit board, wide base, telescopic board, first telescopic rod, second telescopic rod, the rotation of support frame drives the rotation of support leg, the rotation of support leg drives the rotation of support leg, the rotation of support leg drives the movement of wide base, and the movement of wide base drives telescopic board to stretch, and the contact area of support frame bottom is increased, and the support force is dispersed, and the stability of support frame on weak ground is improved.

[0015] The utility model discloses the setting of the anti folding device makes the cooperation of chute, sliding block, articulated rod, friction block, clamping block, telescopic block, friction plate, connecting rod, protruding block, and the support sliding block moves up in the chute and is driven the friction block and moves up through articulated rod, and the friction of the rough surface friction block and friction plate produces friction force, and the friction force prevents the support frame from folding, and provides additional stability and deformation resistance, and the stable structure of support frame is kept, and accurate position is kept, and the influence measurement result is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the schematic diagram of the whole of the utility model;

[0017] Figure 2 It is the schematic diagram of the structure of the anti subsidence device of the utility model;

[0018] Figure 3 It is the schematic diagram of the structure of the anti folding device of the utility model;

[0019] Figure 4 It is the schematic diagram of the structure of the friction block of the utility model;

[0020] Figure 5 It is the schematic diagram of the structure of the protruding block of the utility model.

[0021] In the drawings, the component list that each sign represents is as follows:

[0022] 1, base plate;2, connecting seat;3, connecting block;4, support frame;5, support leg;6, support leg;7, anti subsidence device;71, telescopic column;72, limit board;73, wide base;74, telescopic board;75, first telescopic rod;76, second telescopic rod;8, anti folding device;81, chute;82, sliding block;83, articulated rod;84, friction block;85, clamping block;86, telescopic block;87, friction plate;88, connecting rod;89, protruding block. DETAILED DESCRIPTION

[0023] In order to make the purpose and the advantage of the utility model more clear and obvious, the utility model is specifically explained below with examples. It should be understood that the following text is only used to describe one or several specific implementation modes of the utility model, and does not strictly limit the protection scope of the utility model.

[0024] As shown in Figure 1 - Figure 2 The application discloses an engineering surveying support base with high stability. The support base comprises a base 1, a connecting seat 2 fixedly connected to the bottom of the base 1, a connecting block 3 rotatably connected to the circumferential surface of the connecting seat 2, a support frame 4 fixedly connected to the bottom of the connecting block 3, a support leg 5 fixedly connected to the bottom of the support frame 4, a supporting leg 6 fixedly connected to the bottom of the support leg 5, and an anti-sinking device 7 arranged at the bottom of the supporting leg 6. The anti-sinking device 7 comprises a plurality of wide base plates 73 fixedly connected to the bottom of the supporting leg 6, a plurality of first telescopic rods 75 fixedly connected to the top of the wide base plates 73, a plurality of second telescopic rods 76 fixedly connected to the top of the wide base plates 73, a telescopic column 71 fixedly connected to the bottom of the base 1, a limiting plate 72 fixedly connected to the telescopic end of the telescopic column 71, and a plurality of telescopic plates 74 fixedly connected to the circumferential surface of the wide base plates 73. The circumferential surface of the telescopic column 71 and the side surface of the support frame 4 are provided with gaps, and the telescopic end of the telescopic plate 74 is fixedly connected to the circumferential surface of the limiting plate 72.

[0025] According to the above structure, the support frame 4 is pulled to open the support, the rotation of the support frame 4 drives the rotation of the support leg 5, the rotation of the support leg 5 drives the rotation of the supporting leg 6, the rotation of the supporting leg 6 drives the movement of the wide base plate 73, the movement of the wide base plate 73 drives the stretching of the telescopic plate 74, the contact area of the support frame 4 is increased, the support force is dispersed, the pressure concentration is reduced, the stability of the support on the soft ground is improved, the risk of uneven settlement is reduced, the anti-seismic and anti-wind abilities of the support are enhanced, the stability and accuracy of the measuring instrument are ensured, and the accuracy and reliability of the measuring work are improved.

[0026] As shown in Figure 3 - Figure 5As shown, the bottom of the base 1 is provided with an anti-closing device 8 for preventing the support frame from being closed by external force impact, the anti-closing device 8 comprises a plurality of sliding grooves 81, the top of the plurality of sliding grooves 81 is fixedly connected to the bottom of the base 1, the inner wall of the plurality of sliding grooves 81 is slidably connected with a sliding block 82, the side of the plurality of sliding blocks 82 is hingedly connected with a hinge rod 83, the end of the plurality of hinge rods 83 away from the sliding block 82 is hingedly connected to the side of the plurality of support frames 4, the end of the plurality of hinge rods 83 close to the sliding block 82 is hingedly connected with a friction block 84, the circumference of the telescopic column 71 is fixedly connected with a plurality of clamping blocks 85, the bottom of the base 1 is fixedly connected with a plurality of telescopic blocks 86, the telescopic end of the plurality of telescopic blocks 86 is fixedly connected with a plurality of friction plates 87, the telescopic end of the plurality of telescopic blocks 86 is fixedly connected with a connecting rod 88, the circumference of the plurality of connecting rods 88 is slidably connected with a protruding block 89, the curved surface of the plurality of protruding blocks 89 is in contact with the inclined surface of the plurality of clamping blocks 85, the spring is arranged between the telescopic end of the plurality of telescopic blocks 86 and the side of the plurality of protruding blocks 89, the spring ensures the reset of the protruding block 89, the bottom of the plurality of friction plates 87 is located on the displacement track of the top of the plurality of friction blocks 84, and the bottom of the plurality of friction plates 87 and the top of the plurality of friction blocks 84 are provided as rough surfaces.

[0027] According to the above structure, the support frame 4 is pulled to open the support frame, the telescopic end of the telescopic block 86 drives the movement of the friction plate 87, the friction plate 87 is in contact with the friction block 84, the movement of the telescopic end of the telescopic block 86 drives the movement of the connecting rod 88, the movement of the connecting rod 88 drives the movement of the protruding block 89, the clamping block 85 prevents the upward movement of the protruding block 89, the upward movement of the telescopic end 86 of the telescopic block is prevented by preventing the upward movement of the connecting rod 88, thereby preventing the upward movement of the friction plate 87, the support frame 4 is impacted by external force in use, the support frame 4 is rotated and closed, the hinge rod 83 drives the upward movement of the sliding block 82 in the sliding groove 81, the upward movement of the sliding block 82 in the sliding groove 81 drives the upward movement of the friction block 84 through the hinge rod 83, the friction between the friction block 84 and the rough surface of the friction plate 87 generates friction, the friction prevents the support frame 4 from being closed, provides additional stability and anti-deformation ability, maintains the stable structure of the support frame, maintains the accurate position, and avoids affecting the measurement result.

[0028] The above is only the preferred embodiment of the present application, it should be pointed out that for the ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A support base for engineering surveying with high stability, comprising a base (1), characterized in that: The bottom of the base (1) is fixedly connected with a connecting seat (2), the circumferential surface of the connecting seat (2) is rotatably connected with a connecting block (3), the bottom of the connecting block (3) is fixedly connected with a support frame (4), the bottom of the support frame (4) is fixedly connected with a support leg (5), the bottom of the support leg (5) is fixedly connected with a supporting leg (6), the bottom of the supporting leg (6) is provided with an anti-sinking device (7) for preventing the bottom of the support from sinking into soft ground, the anti-sinking device (7) comprises a plurality of wide bottom discs (73), the top of the plurality of wide bottom discs (73) is fixedly connected on the bottom of the supporting leg (6), the top of the plurality of wide bottom discs (73) is fixedly connected with a first telescopic rod (75), the telescopic end of the plurality of first telescopic rods (75) is fixedly connected on the side surface of the support leg (5), the top of the plurality of wide bottom discs (73) is fixedly connected with a second telescopic rod (76), and the telescopic end of the plurality of second telescopic rods (76) is fixedly connected on the side surface of the support leg (5).

2. The support base for engineering surveying according to claim 1, characterized in that: The anti-sinking device (7) further comprises a telescopic column (71) fixedly connected with the bottom of the base (1), and the telescopic end of the telescopic column (71) is fixedly connected with a limiting plate (72), and the circumferential surface of the plurality of wide bottom discs (73) is fixedly connected with a telescopic plate (74).

3. The support base for engineering surveying according to claim 2, characterized in that: The circumferential surface of the telescopic column (71) and the side surface of the plurality of support frames (4) are both provided with gaps, and the telescopic end of the plurality of telescopic plates (74) is fixedly connected on the circumferential surface of the limiting plate (72).

4. The support base for engineering surveying according to claim 1, characterized in that: The bottom of the base (1) is provided with an anti-closing device (8) for preventing the support from being closed by external force impact, the anti-closing device (8) comprises a plurality of sliding grooves (81), the top of the plurality of sliding grooves (81) is fixedly connected on the bottom of the base (1), the inner wall of the plurality of sliding grooves (81) is slidably connected with a sliding block (82), the side surface of the plurality of sliding blocks (82) is hingedly connected with a hinge rod (83), the end of the plurality of hinge rods (83) away from the sliding block (82) is hingedly connected on the side surface of the plurality of support frames (4), the end of the plurality of hinge rods (83) close to the sliding block (82) is hingedly connected with a friction block (84), the circumferential surface of the telescopic column (71) is fixedly connected with a plurality of clamping blocks (85), the bottom of the base (1) is fixedly connected with a plurality of telescopic blocks (86), the telescopic end of the plurality of telescopic blocks (86) is fixedly connected with a plurality of friction plates (87), the telescopic end of the plurality of telescopic blocks (86) is fixedly connected with a plurality of connecting rods (88), and the circumferential surface of the plurality of connecting rods (88) is slidably connected with a protruding block (89).

5. The support base for engineering surveying according to claim 4, characterized in that: The circumferential surface of the plurality of protruding blocks (89) is in contact with the inclined surface of the plurality of clamping blocks (85), and the telescopic end of the plurality of telescopic blocks (86) and the side surface of the plurality of protruding blocks (89) are both provided with springs.

6. The support base for engineering surveying according to claim 4, characterized in that: The bottom of the plurality of friction plates (87) is located on the displacement track of the top of the plurality of friction blocks (84), and the bottom of the plurality of friction plates (87) and the top of the plurality of friction blocks (84) are both provided with rough surfaces.

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